[pkg/translator/prometheusremotewrite] Improve performance of conversion to Prometheus remote write format

[charleskorn]

Description:

This PR improves the performance of the conversion from OpenTelemetry to Prometheus remote write. It reduces latency and memory utilisation by up to 70% in some cases, particularly those involving histograms, summaries or series with many labels.

Benchmark results

goos: darwin
goarch: arm64
pkg: github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/prometheusremotewrite
                                                                                                                                           │  before.txt  │              after.txt              │
                                                                                                                                           │    sec/op    │    sec/op     vs base               │
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10          2.150m ± 1%   1.987m ±  1%   -7.57% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10          4.061m ± 1%   3.980m ±  2%   -1.98% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10         5.570m ± 4%   5.443m ±  1%   -2.28% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10         16.29m ± 2%   13.04m ±  1%  -19.96% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10         18.14m ± 1%   14.98m ±  1%  -17.41% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10        19.51m ± 1%   16.36m ±  1%  -16.11% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10         10.568m ± 1%   6.405m ±  1%  -39.39% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10          14.27m ± 1%   10.25m ±  0%  -28.18% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10         16.70m ± 1%   12.75m ±  1%  -23.66% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10         71.82m ± 0%   21.41m ±  1%  -70.19% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10         76.46m ± 1%   25.36m ±  1%  -66.84% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10        78.24m ± 0%   28.07m ±  0%  -64.12% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10      12.180m ± 1%   7.912m ±  1%  -35.04% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10       17.38m ± 0%   13.26m ±  0%  -23.71% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10      21.14m ± 1%   17.07m ±  1%  -19.25% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10      86.62m ± 3%   33.35m ±  2%  -61.50% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10      91.72m ± 1%   38.95m ±  1%  -57.53% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10     95.29m ± 1%   43.16m ± 36%  -54.70% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10             1.338µ ± 1%   1.205µ ±  1%   -9.94% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10             1.334µ ± 2%   1.225µ ±  2%   -8.17% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10            1.328µ ± 1%   1.218µ ±  8%   -8.25% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10            1.326µ ± 0%   1.240µ ±  4%   -6.49% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10            1.326µ ± 1%   1.205µ ±  1%   -9.13% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10           1.327µ ± 0%   1.215µ ±  2%   -8.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10          2.144m ± 1%   2.008m ±  1%   -6.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10          4.094m ± 1%   3.969m ±  1%   -3.06% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10         5.595m ± 1%   5.465m ±  1%   -2.33% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10         16.34m ± 1%   13.02m ±  0%  -20.28% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10         18.27m ± 2%   14.99m ±  0%  -17.95% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10        19.49m ± 1%   16.38m ±  0%  -15.95% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10         10.624m ± 2%   6.389m ±  0%  -39.86% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10          14.28m ± 1%   10.26m ±  0%  -28.17% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10         16.80m ± 2%   12.75m ±  0%  -24.11% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10         72.25m ± 1%   21.52m ±  1%  -70.22% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10         76.34m ± 1%   25.29m ±  1%  -66.87% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10        78.38m ± 1%   28.11m ±  1%  -64.13% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10      12.452m ± 1%   7.930m ±  1%  -36.32% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10       17.72m ± 3%   13.29m ±  2%  -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10      21.57m ± 2%   17.13m ±  2%  -20.57% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10      87.41m ± 1%   33.19m ±  1%  -62.03% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10      92.93m ± 1%   38.91m ±  1%  -58.13% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10     95.96m ± 0%   42.89m ±  1%  -55.30% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10            16.58µ ± 1%   13.71µ ±  1%  -17.35% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10            17.06µ ± 4%   13.69µ ±  0%  -19.78% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10           16.96µ ± 2%   13.71µ ±  0%  -19.18% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10           16.62µ ± 1%   13.71µ ±  0%  -17.49% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10           16.64µ ± 2%   13.72µ ±  6%  -17.51% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10          16.55µ ± 1%   13.73µ ±  0%  -17.04% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10         2.220m ± 0%   2.148m ±  0%   -3.23% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10         4.236m ± 1%   4.119m ±  1%   -2.76% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10        5.705m ± 0%   5.605m ±  0%   -1.74% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10        16.49m ± 0%   13.20m ±  0%  -19.96% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10        18.43m ± 0%   15.13m ±  0%  -17.88% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10       19.72m ± 1%   16.52m ±  1%  -16.25% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10        11.039m ± 1%   6.469m ±  1%  -41.40% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10         14.71m ± 1%   10.33m ±  0%  -29.80% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10        17.18m ± 1%   12.82m ±  1%  -25.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10        73.12m ± 1%   21.63m ±  1%  -70.41% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10        77.44m ± 2%   25.49m ±  1%  -67.08% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10       79.62m ± 1%   28.22m ±  0%  -64.56% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10     12.979m ± 1%   8.137m ±  1%  -37.31% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10      18.09m ± 1%   13.53m ±  1%  -25.23% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10     21.86m ± 1%   17.35m ±  0%  -20.64% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10     87.53m ± 2%   33.70m ±  1%  -61.50% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10     93.54m ± 0%   39.12m ±  0%  -58.18% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10    97.08m ± 0%   43.04m ±  1%  -55.66% (p=0.002 n=6)
geomean                                                                                                                                       4.704m        3.076m        -34.61%

                                                                                                                                           │  before.txt   │              after.txt              │
                                                                                                                                           │     B/op      │     B/op      vs base               │
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10          1.797Mi ± 0%   1.583Mi ± 0%  -11.90% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10          4.583Mi ± 0%   4.369Mi ± 0%   -4.67% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10         7.436Mi ± 0%   7.221Mi ± 0%   -2.88% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10         17.26Mi ± 0%   10.15Mi ± 0%  -41.21% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10         20.08Mi ± 0%   12.96Mi ± 0%  -35.46% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10        22.97Mi ± 0%   15.84Mi ± 0%  -31.02% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10          9.241Mi ± 0%   6.583Mi ± 0%  -28.76% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10          12.73Mi ± 0%   10.07Mi ± 0%  -20.90% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10         16.32Mi ± 0%   13.66Mi ± 0%  -16.32% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10         78.03Mi ± 0%   23.99Mi ± 0%  -69.26% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10         81.57Mi ± 0%   27.49Mi ± 0%  -66.30% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10        85.26Mi ± 0%   31.10Mi ± 0%  -63.52% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10      10.821Mi ± 0%   7.946Mi ± 0%  -26.56% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10       17.12Mi ± 0%   14.24Mi ± 0%  -16.85% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10      23.61Mi ± 0%   20.71Mi ± 0%  -12.27% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10      95.50Mi ± 0%   34.07Mi ± 0%  -64.33% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10     102.08Mi ± 0%   40.46Mi ± 0%  -60.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10    108.76Mi ± 0%   47.06Mi ± 1%  -56.73% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10             1.922Ki ± 0%   1.586Ki ± 0%  -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10             1.922Ki ± 0%   1.586Ki ± 0%  -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10            1.922Ki ± 0%   1.586Ki ± 0%  -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10            1.922Ki ± 0%   1.586Ki ± 0%  -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10            1.922Ki ± 0%   1.586Ki ± 0%  -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10           1.922Ki ± 0%   1.586Ki ± 0%  -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10          1.799Mi ± 0%   1.585Mi ± 0%  -11.91% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10          4.585Mi ± 0%   4.370Mi ± 0%   -4.68% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10         7.438Mi ± 0%   7.223Mi ± 0%   -2.89% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10         17.26Mi ± 0%   10.15Mi ± 0%  -41.20% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10         20.08Mi ± 0%   12.96Mi ± 0%  -35.45% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10        22.97Mi ± 0%   15.84Mi ± 0%  -31.02% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10          9.243Mi ± 0%   6.584Mi ± 0%  -28.76% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10          12.73Mi ± 0%   10.07Mi ± 0%  -20.90% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10         16.32Mi ± 0%   13.66Mi ± 0%  -16.33% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10         78.03Mi ± 0%   23.99Mi ± 0%  -69.26% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10         81.58Mi ± 0%   27.50Mi ± 0%  -66.30% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10        85.27Mi ± 0%   31.10Mi ± 0%  -63.52% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10      10.825Mi ± 0%   7.948Mi ± 0%  -26.58% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10       17.13Mi ± 0%   14.24Mi ± 0%  -16.86% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10      23.61Mi ± 0%   20.71Mi ± 0%  -12.28% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10      95.48Mi ± 0%   34.07Mi ± 0%  -64.32% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10     102.08Mi ± 0%   40.46Mi ± 0%  -60.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10    108.78Mi ± 0%   47.05Mi ± 0%  -56.75% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10            24.01Ki ± 0%   13.91Ki ± 0%  -42.06% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10            24.02Ki ± 0%   13.91Ki ± 0%  -42.08% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10           24.01Ki ± 0%   13.91Ki ± 0%  -42.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10           24.02Ki ± 0%   13.91Ki ± 0%  -42.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10           24.02Ki ± 0%   13.91Ki ± 0%  -42.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10          24.02Ki ± 0%   13.91Ki ± 0%  -42.08% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10         1.821Mi ± 0%   1.597Mi ± 0%  -12.29% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10         4.607Mi ± 0%   4.383Mi ± 0%   -4.86% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10        7.460Mi ± 0%   7.236Mi ± 0%   -3.01% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10        17.28Mi ± 0%   10.16Mi ± 0%  -41.21% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10        20.11Mi ± 0%   12.98Mi ± 0%  -35.46% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10       22.99Mi ± 0%   15.86Mi ± 0%  -31.02% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10         9.264Mi ± 0%   6.596Mi ± 0%  -28.80% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10         12.75Mi ± 0%   10.08Mi ± 0%  -20.94% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10        16.35Mi ± 0%   13.67Mi ± 0%  -16.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10        78.05Mi ± 0%   24.00Mi ± 0%  -69.25% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10        81.63Mi ± 0%   27.51Mi ± 0%  -66.30% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10       85.29Mi ± 0%   31.11Mi ± 0%  -63.52% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10     10.847Mi ± 0%   7.960Mi ± 0%  -26.61% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10      17.15Mi ± 0%   14.25Mi ± 0%  -16.89% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10     23.64Mi ± 0%   20.73Mi ± 0%  -12.31% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10     95.52Mi ± 0%   34.08Mi ± 0%  -64.32% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10    102.10Mi ± 0%   40.48Mi ± 0%  -60.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10   108.78Mi ± 0%   47.07Mi ± 0%  -56.73% (p=0.002 n=6)
geomean                                                                                                                                       5.153Mi        3.202Mi       -37.87%

                                                                                                                                           │  before.txt  │             after.txt              │
                                                                                                                                           │  allocs/op   │  allocs/op   vs base               │
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10          29.14k ± 0%   22.13k ± 0%  -24.04% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10          64.26k ± 0%   57.25k ± 0%  -10.90% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10         95.38k ± 0%   88.37k ± 0%   -7.34% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10         77.59k ± 0%   62.56k ± 0%  -19.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10        113.24k ± 0%   98.11k ± 0%  -13.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10        144.6k ± 0%   129.5k ± 0%  -10.45% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10         131.48k ± 0%   73.39k ± 0%  -44.18% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10          170.7k ± 0%   112.6k ± 0%  -34.04% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10         202.8k ± 0%   144.7k ± 0%  -28.65% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10        340.88k ± 0%   94.18k ± 0%  -72.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10         380.5k ± 0%   133.7k ± 0%  -64.86% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10        413.6k ± 0%   166.1k ± 0%  -59.84% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10      160.89k ± 0%   95.69k ± 0%  -40.53% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10       235.5k ± 0%   170.2k ± 0%  -27.72% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10      299.1k ± 0%   233.8k ± 0%  -21.85% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10      430.8k ± 0%   161.2k ± 0%  -62.58% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10      508.9k ± 0%   237.2k ± 0%  -53.38% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10     573.4k ± 0%   302.3k ± 2%  -47.28% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10              20.00 ± 0%    15.00 ± 0%  -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10              20.00 ± 0%    15.00 ± 0%  -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10             20.00 ± 0%    15.00 ± 0%  -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10             20.00 ± 0%    15.00 ± 0%  -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10             20.00 ± 0%    15.00 ± 0%  -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10            20.00 ± 0%    15.00 ± 0%  -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10          29.16k ± 0%   22.15k ± 0%  -24.04% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10          64.28k ± 0%   57.26k ± 0%  -10.91% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10         95.40k ± 0%   88.39k ± 0%   -7.35% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10         77.64k ± 0%   62.60k ± 0%  -19.38% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10        113.25k ± 0%   98.12k ± 0%  -13.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10        144.7k ± 0%   129.5k ± 0%  -10.46% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10         131.50k ± 0%   73.40k ± 0%  -44.18% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10          170.7k ± 0%   112.6k ± 0%  -34.03% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10         202.9k ± 0%   144.7k ± 0%  -28.65% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10        340.90k ± 0%   94.19k ± 0%  -72.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10         380.6k ± 0%   133.7k ± 0%  -64.86% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10        413.6k ± 0%   166.1k ± 0%  -59.84% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10      160.98k ± 0%   95.70k ± 0%  -40.55% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10       235.6k ± 0%   170.2k ± 0%  -27.73% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10      299.2k ± 0%   233.8k ± 0%  -21.85% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10      430.8k ± 0%   161.2k ± 0%  -62.57% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10      508.9k ± 0%   237.3k ± 0%  -53.38% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10     573.4k ± 0%   302.1k ± 0%  -47.32% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10             73.00 ± 0%    62.00 ± 0%  -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10             73.00 ± 0%    62.00 ± 0%  -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10            73.00 ± 0%    62.00 ± 0%  -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10            73.00 ± 0%    62.00 ± 0%  -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10            73.00 ± 0%    62.00 ± 0%  -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10           73.00 ± 0%    62.00 ± 0%  -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10         29.21k ± 0%   22.20k ± 0%  -24.01% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10         64.34k ± 0%   57.32k ± 0%  -10.91% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10        95.46k ± 0%   88.44k ± 0%   -7.35% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10        77.70k ± 0%   62.65k ± 0%  -19.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10       113.36k ± 0%   98.20k ± 0%  -13.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10       144.7k ± 0%   129.6k ± 0%  -10.43% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10        131.55k ± 0%   73.45k ± 0%  -44.17% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10         170.7k ± 0%   112.6k ± 0%  -34.03% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10        202.9k ± 0%   144.8k ± 0%  -28.65% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10       340.97k ± 0%   94.24k ± 0%  -72.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10        381.2k ± 0%   133.8k ± 0%  -64.90% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10       413.7k ± 0%   166.1k ± 0%  -59.84% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10     161.05k ± 0%   95.76k ± 0%  -40.54% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10      235.7k ± 0%   170.3k ± 0%  -27.72% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10     299.3k ± 0%   233.9k ± 0%  -21.85% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10     430.9k ± 0%   161.3k ± 0%  -62.57% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10     509.0k ± 0%   237.3k ± 0%  -53.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10    573.5k ± 0%   302.4k ± 0%  -47.27% (p=0.002 n=6)
geomean                                                                                                                                       39.93k        25.46k       -36.23%

Link to tracking Issue: (none)

Testing: I've added a benchmark to verify the improvement, and run the existing tests to ensure these changes have not introduced any regressions.

Documentation: (none required)

[pracucci]

Good job! The changes make sense to me 👍

[gouthamve]

Because the benchmarks in the PR description are not super readable:

goos: darwin goarch: arm64 pkg: github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/prometheusremotewrite │ before.txt │ after.txt │ │ sec/op │ sec/op vs base │ FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 2.150m ± 1% 1.987m ± 1% -7.57% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 4.061m ± 1% 3.980m ± 2% -1.98% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 5.570m ± 4% 5.443m ± 1% -2.28% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 16.29m ± 2% 13.04m ± 1% -19.96% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 18.14m ± 1% 14.98m ± 1% -17.41% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 19.51m ± 1% 16.36m ± 1% -16.11% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 10.568m ± 1% 6.405m ± 1% -39.39% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 14.27m ± 1% 10.25m ± 0% -28.18% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 16.70m ± 1% 12.75m ± 1% -23.66% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 71.82m ± 0% 21.41m ± 1% -70.19% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 76.46m ± 1% 25.36m ± 1% -66.84% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 78.24m ± 0% 28.07m ± 0% -64.12% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 12.180m ± 1% 7.912m ± 1% -35.04% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 17.38m ± 0% 13.26m ± 0% -23.71% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 21.14m ± 1% 17.07m ± 1% -19.25% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 86.62m ± 3% 33.35m ± 2% -61.50% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 91.72m ± 1% 38.95m ± 1% -57.53% (p=0.002 n=6) FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 95.29m ± 1% 43.16m ± 36% -54.70% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 1.338µ ± 1% 1.205µ ± 1% -9.94% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 1.334µ ± 2% 1.225µ ± 2% -8.17% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 1.328µ ± 1% 1.218µ ± 8% -8.25% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 1.326µ ± 0% 1.240µ ± 4% -6.49% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 1.326µ ± 1% 1.205µ ± 1% -9.13% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 1.327µ ± 0% 1.215µ ± 2% -8.48% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 2.144m ± 1% 2.008m ± 1% -6.37% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 4.094m ± 1% 3.969m ± 1% -3.06% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 5.595m ± 1% 5.465m ± 1% -2.33% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 16.34m ± 1% 13.02m ± 0% -20.28% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 18.27m ± 2% 14.99m ± 0% -17.95% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 19.49m ± 1% 16.38m ± 0% -15.95% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 10.624m ± 2% 6.389m ± 0% -39.86% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 14.28m ± 1% 10.26m ± 0% -28.17% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 16.80m ± 2% 12.75m ± 0% -24.11% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 72.25m ± 1% 21.52m ± 1% -70.22% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 76.34m ± 1% 25.29m ± 1% -66.87% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 78.38m ± 1% 28.11m ± 1% -64.13% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 12.452m ± 1% 7.930m ± 1% -36.32% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 17.72m ± 3% 13.29m ± 2% -25.00% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 21.57m ± 2% 17.13m ± 2% -20.57% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 87.41m ± 1% 33.19m ± 1% -62.03% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 92.93m ± 1% 38.91m ± 1% -58.13% (p=0.002 n=6) FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 95.96m ± 0% 42.89m ± 1% -55.30% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 16.58µ ± 1% 13.71µ ± 1% -17.35% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 17.06µ ± 4% 13.69µ ± 0% -19.78% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 16.96µ ± 2% 13.71µ ± 0% -19.18% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 16.62µ ± 1% 13.71µ ± 0% -17.49% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 16.64µ ± 2% 13.72µ ± 6% -17.51% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 16.55µ ± 1% 13.73µ ± 0% -17.04% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 2.220m ± 0% 2.148m ± 0% -3.23% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 4.236m ± 1% 4.119m ± 1% -2.76% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 5.705m ± 0% 5.605m ± 0% -1.74% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 16.49m ± 0% 13.20m ± 0% -19.96% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 18.43m ± 0% 15.13m ± 0% -17.88% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 19.72m ± 1% 16.52m ± 1% -16.25% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 11.039m ± 1% 6.469m ± 1% -41.40% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 14.71m ± 1% 10.33m ± 0% -29.80% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 17.18m ± 1% 12.82m ± 1% -25.37% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 73.12m ± 1% 21.63m ± 1% -70.41% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 77.44m ± 2% 25.49m ± 1% -67.08% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 79.62m ± 1% 28.22m ± 0% -64.56% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 12.979m ± 1% 8.137m ± 1% -37.31% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 18.09m ± 1% 13.53m ± 1% -25.23% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 21.86m ± 1% 17.35m ± 0% -20.64% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 87.53m ± 2% 33.70m ± 1% -61.50% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 93.54m ± 0% 39.12m ± 0% -58.18% (p=0.002 n=6) FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 97.08m ± 0% 43.04m ± 1% -55.66% (p=0.002 n=6) geomean 4.704m 3.076m -34.61%
                                                                                                                                       │  before.txt   │              after.txt              │
                                                                                                                                       │     B/op      │     B/op      vs base               │
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 1.797Mi ± 0% 1.583Mi ± 0% -11.90% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 4.583Mi ± 0% 4.369Mi ± 0% -4.67% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 7.436Mi ± 0% 7.221Mi ± 0% -2.88% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 17.26Mi ± 0% 10.15Mi ± 0% -41.21% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 20.08Mi ± 0% 12.96Mi ± 0% -35.46% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 22.97Mi ± 0% 15.84Mi ± 0% -31.02% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 9.241Mi ± 0% 6.583Mi ± 0% -28.76% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 12.73Mi ± 0% 10.07Mi ± 0% -20.90% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 16.32Mi ± 0% 13.66Mi ± 0% -16.32% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 78.03Mi ± 0% 23.99Mi ± 0% -69.26% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 81.57Mi ± 0% 27.49Mi ± 0% -66.30% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 85.26Mi ± 0% 31.10Mi ± 0% -63.52% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 10.821Mi ± 0% 7.946Mi ± 0% -26.56% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 17.12Mi ± 0% 14.24Mi ± 0% -16.85% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 23.61Mi ± 0% 20.71Mi ± 0% -12.27% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 95.50Mi ± 0% 34.07Mi ± 0% -64.33% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 102.08Mi ± 0% 40.46Mi ± 0% -60.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 108.76Mi ± 0% 47.06Mi ± 1% -56.73% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 1.922Ki ± 0% 1.586Ki ± 0% -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 1.922Ki ± 0% 1.586Ki ± 0% -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 1.922Ki ± 0% 1.586Ki ± 0% -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 1.922Ki ± 0% 1.586Ki ± 0% -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 1.922Ki ± 0% 1.586Ki ± 0% -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 1.922Ki ± 0% 1.586Ki ± 0% -17.48% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 1.799Mi ± 0% 1.585Mi ± 0% -11.91% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 4.585Mi ± 0% 4.370Mi ± 0% -4.68% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 7.438Mi ± 0% 7.223Mi ± 0% -2.89% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 17.26Mi ± 0% 10.15Mi ± 0% -41.20% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 20.08Mi ± 0% 12.96Mi ± 0% -35.45% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 22.97Mi ± 0% 15.84Mi ± 0% -31.02% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 9.243Mi ± 0% 6.584Mi ± 0% -28.76% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 12.73Mi ± 0% 10.07Mi ± 0% -20.90% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 16.32Mi ± 0% 13.66Mi ± 0% -16.33% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 78.03Mi ± 0% 23.99Mi ± 0% -69.26% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 81.58Mi ± 0% 27.50Mi ± 0% -66.30% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 85.27Mi ± 0% 31.10Mi ± 0% -63.52% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 10.825Mi ± 0% 7.948Mi ± 0% -26.58% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 17.13Mi ± 0% 14.24Mi ± 0% -16.86% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 23.61Mi ± 0% 20.71Mi ± 0% -12.28% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 95.48Mi ± 0% 34.07Mi ± 0% -64.32% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 102.08Mi ± 0% 40.46Mi ± 0% -60.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 108.78Mi ± 0% 47.05Mi ± 0% -56.75% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 24.01Ki ± 0% 13.91Ki ± 0% -42.06% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 24.02Ki ± 0% 13.91Ki ± 0% -42.08% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 24.01Ki ± 0% 13.91Ki ± 0% -42.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 24.02Ki ± 0% 13.91Ki ± 0% -42.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 24.02Ki ± 0% 13.91Ki ± 0% -42.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 24.02Ki ± 0% 13.91Ki ± 0% -42.08% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 1.821Mi ± 0% 1.597Mi ± 0% -12.29% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 4.607Mi ± 0% 4.383Mi ± 0% -4.86% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 7.460Mi ± 0% 7.236Mi ± 0% -3.01% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 17.28Mi ± 0% 10.16Mi ± 0% -41.21% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 20.11Mi ± 0% 12.98Mi ± 0% -35.46% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 22.99Mi ± 0% 15.86Mi ± 0% -31.02% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 9.264Mi ± 0% 6.596Mi ± 0% -28.80% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 12.75Mi ± 0% 10.08Mi ± 0% -20.94% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 16.35Mi ± 0% 13.67Mi ± 0% -16.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 78.05Mi ± 0% 24.00Mi ± 0% -69.25% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 81.63Mi ± 0% 27.51Mi ± 0% -66.30% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 85.29Mi ± 0% 31.11Mi ± 0% -63.52% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 10.847Mi ± 0% 7.960Mi ± 0% -26.61% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 17.15Mi ± 0% 14.25Mi ± 0% -16.89% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 23.64Mi ± 0% 20.73Mi ± 0% -12.31% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 95.52Mi ± 0% 34.08Mi ± 0% -64.32% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 102.10Mi ± 0% 40.48Mi ± 0% -60.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 108.78Mi ± 0% 47.07Mi ± 0% -56.73% (p=0.002 n=6)
geomean 5.153Mi 3.202Mi -37.87%

                                                                                                                                       │  before.txt  │             after.txt              │
                                                                                                                                       │  allocs/op   │  allocs/op   vs base               │
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 29.14k ± 0% 22.13k ± 0% -24.04% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 64.26k ± 0% 57.25k ± 0% -10.90% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 95.38k ± 0% 88.37k ± 0% -7.34% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 77.59k ± 0% 62.56k ± 0% -19.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 113.24k ± 0% 98.11k ± 0% -13.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 144.6k ± 0% 129.5k ± 0% -10.45% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 131.48k ± 0% 73.39k ± 0% -44.18% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 170.7k ± 0% 112.6k ± 0% -34.04% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 202.8k ± 0% 144.7k ± 0% -28.65% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 340.88k ± 0% 94.18k ± 0% -72.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 380.5k ± 0% 133.7k ± 0% -64.86% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 413.6k ± 0% 166.1k ± 0% -59.84% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 160.89k ± 0% 95.69k ± 0% -40.53% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 235.5k ± 0% 170.2k ± 0% -27.72% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 299.1k ± 0% 233.8k ± 0% -21.85% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 430.8k ± 0% 161.2k ± 0% -62.58% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 508.9k ± 0% 237.2k ± 0% -53.38% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_0/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 573.4k ± 0% 302.3k ± 2% -47.28% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 20.00 ± 0% 15.00 ± 0% -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 20.00 ± 0% 15.00 ± 0% -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 20.00 ± 0% 15.00 ± 0% -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 20.00 ± 0% 15.00 ± 0% -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 20.00 ± 0% 15.00 ± 0% -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 20.00 ± 0% 15.00 ± 0% -25.00% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 29.16k ± 0% 22.15k ± 0% -24.04% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 64.28k ± 0% 57.26k ± 0% -10.91% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 95.40k ± 0% 88.39k ± 0% -7.35% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 77.64k ± 0% 62.60k ± 0% -19.38% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 113.25k ± 0% 98.12k ± 0% -13.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 144.7k ± 0% 129.5k ± 0% -10.46% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 131.50k ± 0% 73.40k ± 0% -44.18% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 170.7k ± 0% 112.6k ± 0% -34.03% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 202.9k ± 0% 144.7k ± 0% -28.65% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 340.90k ± 0% 94.19k ± 0% -72.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 380.6k ± 0% 133.7k ± 0% -64.86% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 413.6k ± 0% 166.1k ± 0% -59.84% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 160.98k ± 0% 95.70k ± 0% -40.55% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 235.6k ± 0% 170.2k ± 0% -27.73% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 299.2k ± 0% 233.8k ± 0% -21.85% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 430.8k ± 0% 161.2k ± 0% -62.57% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 508.9k ± 0% 237.3k ± 0% -53.38% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_5/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 573.4k ± 0% 302.1k ± 0% -47.32% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 73.00 ± 0% 62.00 ± 0% -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 73.00 ± 0% 62.00 ± 0% -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 73.00 ± 0% 62.00 ± 0% -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 73.00 ± 0% 62.00 ± 0% -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 73.00 ± 0% 62.00 ± 0% -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 73.00 ± 0% 62.00 ± 0% -15.07% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 29.21k ± 0% 22.20k ± 0% -24.01% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 64.34k ± 0% 57.32k ± 0% -10.91% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 95.46k ± 0% 88.44k ± 0% -7.35% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 77.70k ± 0% 62.65k ± 0% -19.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 113.36k ± 0% 98.20k ± 0% -13.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_0/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 144.7k ± 0% 129.6k ± 0% -10.43% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_0-10 131.55k ± 0% 73.45k ± 0% -44.17% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_5-10 170.7k ± 0% 112.6k ± 0% -34.03% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_2/exemplars_per_series:_10-10 202.9k ± 0% 144.8k ± 0% -28.65% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_0-10 340.97k ± 0% 94.24k ± 0% -72.36% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_5-10 381.2k ± 0% 133.8k ± 0% -64.90% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_0/labels_per_metric:_20/exemplars_per_series:_10-10 413.7k ± 0% 166.1k ± 0% -59.84% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_0-10 161.05k ± 0% 95.76k ± 0% -40.54% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_5-10 235.7k ± 0% 170.3k ± 0% -27.72% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_2/exemplars_per_series:_10-10 299.3k ± 0% 233.9k ± 0% -21.85% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_0-10 430.9k ± 0% 161.3k ± 0% -62.57% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_5-10 509.0k ± 0% 237.3k ± 0% -53.37% (p=0.002 n=6)
FromMetrics/resource_attribute_count:_50/histogram_count:_1000/non-histogram_count:_1000/labels_per_metric:_20/exemplars_per_series:_10-10 573.5k ± 0% 302.4k ± 0% -47.27% (p=0.002 n=6)
geomean 39.93k 25.46k -36.23%

[gouthamve]

LGTM.

Note that we're already running these in production in our hosted-Prometheus product which can accept OTLP data and seeing similar performance improvements.

[jpkrohling]

LGTM. Given that @Aneurysm9 is the sole code owner but is currently on PTO, I'm approving this as I trust the other reviewers.