the quantile line of prometheus_remote_storage_send_latency_seconds has a wrong value.

[guanglinlv]

What did you do?

config the --storage.remote.timeout to 5s, keep the prometheus running, take a look the prometheus_remote_storage_send_latency_seconds.

What did you expect to see?

any line of prometheus_remote_storage_send_latency_seconds has a value between 0 and 5s

What did you see instead? Under which circumstances?

the quantile=0.99 line has a value from 1 to 6s.

Environment

• System information:

  Linux 3.10.0-229.el7.x86_64 x86_64

• Prometheus version:

  prometheus, version 0.20.0 (branch: master, revision: aeab25c)
  build user:       root@77050118f904
  build date:       20160616-08:38:14
  go version:       go1.6.2
  

[beorn7]

The baseline might be right, but the problem here is the rounding to full seconds.

I'll fix the latter, and then we'll see how the baseline looks then.

[lock]

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