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  1. Sep 13, 2019
  2. Jul 12, 2019
  3. Jul 03, 2019
    • Ben Kochie's avatar
      Add recording rules for SLIs · 606f8fd6
      Ben Kochie authored
      Add a set Service Level Indicator (SLI) metric recording rules.
      * Rails worker process/thread pools
      * Redis CPU use.
      * Component error rates/ratios.
      * Component Apdex ratios.
      Unverified
      606f8fd6
  4. Jun 05, 2019
    • Ben Kochie's avatar
      Remove Prometheus 1.x support · e1cfa00e
      Ben Kochie authored
      * Upgrade binary to Prometheus 2.10.0.
      * Remove dual-version support.
      * Force-upgrade storage to 2.x format.
      * Cleanup 1.x Prometheus rules.
      * Remove support for storage migration tool.
      Unverified
      e1cfa00e
  5. Apr 05, 2019
    • Ben Kochie's avatar
      Update WorkhorseHighErrorRate alert · 74c3e630
      Ben Kochie authored
      Reduce Prometheus WorkhorseHighErrorRate sensitivity.
      
      Split alert into two modes, one for high traffic and one for low traffic
      instances.
      * Low traffic: < 10 QPS, 50% error threshold.
      * High traffic: >= 10 QPS, 10% error threshold.
      Unverified
      74c3e630
  6. Mar 29, 2019
  7. Feb 06, 2019
    • Ben Kochie's avatar
      Add additional Prometheus alerts · f450aa98
      Ben Kochie authored
      New alerts:
      * High (90%) utilization of Unicorn workers.
      * Sidekiq job queueing.
      * High (1%) gRPC 'ResourceExhausted' error rates.
      * Postgres database deadlocks.
      * Postgres database queries cancled due to deadlocks.
      * Workhorse high error rates.
      Unverified
      f450aa98
  8. Oct 19, 2018
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