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2.15.0 Release Notes
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@sundeepsf sundeepsf released this 03 Jul 22:15
· 856 commits to develop since this release
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Learn about vigilant mode.

Alert scheduling improvements -
a. Reduce the alert scheduling interval from 15 minutes to 1 minute
b. Cache alert definitions during scheduling for better performance
c. Schedule by grouping cron expressions and predetermining which alerts need to be run at a particular minute, instead of relying on quartz scheduler.
d. Add more KPIs to better track the alert scheduler performance

Alert evaluation improvements -
a. Caching notification cooldown and trigger status locally on alert clients to prevent too many queries being made to postgres
b. Created a whitelist of scopes for which the alerts will not be disabled during a data lag

Add metrics to track usage of discovery service and TSDB service by user

  • No. of discovery queries made by user
  • No. of expanded discovery results by user
  • No. of TSDB Time serieres returned by user

Track Discovery queries that is above a configurable static threshold

Make bloom filter parameters configurable
Flush bloom filter at fixed time of day based on configurable property

Minor bug fixes and optimizations

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