Commits on Oct 24, 2024

1. feat(observability): spin up micro-benchmarking …

   This requires you to add to your environment
   
   	SPANNER_RUN_BENCHMARKS=true
   
   and then it can be run by npm run observability-test whose results look like:
   
   ```shell
     Benchmarking
   Total Runs: 10000
   databaseRunSelect1AsyncAwait
   	RAM Untraced(206.453kB) vs Traced     (240.953kB): increase by (34.500kB) or 16.71%
   	RAM Untraced(206.453kB) vs Traced+OTEL(243.391kB): increase by (36.938kB) or 17.89%
   	Time Untraced(911.057µs) vs Traced     (1.014ms):  increase by (102.749µs) or 11.28%
   	Time Untraced(911.057µs) vs Traced+OTEL(1.017ms):  increase by (106.116µs) or 11.65%
   
   databaseRunSelect1Callback
   	RAM Untraced(210.219kB) vs Traced     (238.797kB): increase by (28.578kB) or 13.59%
   	RAM Untraced(210.219kB) vs Traced+OTEL(242.914kB): increase by (32.695kB) or 15.55%
   	Time Untraced(890.877µs) vs Traced     (997.541µs):  increase by (106.664µs) or 11.97%
   	Time Untraced(890.877µs) vs Traced+OTEL(1.019ms):  increase by (127.997µs) or 14.37%
   
   databaseRunTransactionAsyncTxRunUpdate
   	RAM Untraced(308.898kB) vs Traced     (325.313kB): increase by (16.414kB) or 5.31%
   	RAM Untraced(308.898kB) vs Traced+OTEL(339.836kB): increase by (30.938kB) or 10.02%
   	Time Untraced(1.510ms) vs Traced     (1.652ms):  increase by (141.330µs) or 9.36%
   	Time Untraced(1.510ms) vs Traced+OTEL(1.668ms):  increase by (157.466µs) or 10.43%
   
   databaseRunTransactionAsyncTxRun
   	RAM Untraced(298.977kB) vs Traced     (326.227kB): increase by (27.250kB) or 9.11%
   	RAM Untraced(298.977kB) vs Traced+OTEL(315.164kB): increase by (16.188kB) or 5.41%
   	Time Untraced(1.450ms) vs Traced     (1.581ms):  increase by (130.870µs) or 9.03%
   	Time Untraced(1.450ms) vs Traced+OTEL(1.615ms):  increase by (165.426µs) or 11.41%
   ```

   

   odeke-em committed Oct 24, 2024
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