Adding truncate / truncate_lut metrics for namespaces and sets

[Xaelias]

❯ curl -s localhost:9146/metrics | grep truncate | grep -v ' 0$'
# HELP aerospike_ns_truncate_lut The most covering truncate_lut for this namespace
# TYPE aerospike_ns_truncate_lut gauge
# HELP aerospike_ns_truncated_records truncated records
# TYPE aerospike_ns_truncated_records counter
aerospike_ns_truncated_records{namespace="<namespace>"} 1.00091747e+08
# HELP aerospike_set_truncate_lut The most covering truncate_lut for this set
# TYPE aerospike_set_truncate_lut gauge
aerospike_set_truncate_lut{namespace="<namespace>",set="<set1>"} 3.25275438944e+11
aerospike_set_truncate_lut{namespace="<namespace>",set="<set2>"} 3.26384163993e+11

[alicebob]

Thanks!

[alicebob]

https://github.com/alicebob/asprom/releases/tag/v1.9.1

This time I did not forget to add binaries.