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  1. Nuxeo Platform
  2. NXP-30117

Improve filtering of timer metrics for Datadog

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 10.10, 11.4, 2021.1
    • Fix Version/s: 11.5, 2021.2
    • Component/s: Monitoring

      Description

      Since NXP-28696 the number of metrics published to DD for a timer has been reduced.

      Only 9 out of 16 metrics per timer are published.

      But it looks like there is a better choice:

      • we want sum because it helps to find the code section that consumes the most times
      • we want p99 and p95
      • we don't mind p75 and p98
      • we don't mind stddev

      So we keep the same number of metrics 9 out of 16, filtering out:

                <expansion>stddev</expansion>
                <expansion>p75</expansion>
                <expansion>p98</expansion>
                <expansion>p999</expansion>
                <expansion>m5_rate</expansion>
                <expansion>m15_rate</expansion>
                <expansion>mean_rate</expansion>
      

      instead of

                <expansion>sum</expansion>
                <expansion>p95</expansion>
                <expansion>p99</expansion>
                <expansion>p999</expansion>
                <expansion>m5_rate</expansion>
                <expansion>m15_rate</expansion>
                <expansion>mean_rate</expansion>
      

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