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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/03/31 23:51:00 UTC
[jira] [Work logged] (BEAM-14225) load balance jenkins jobs
[ https://issues.apache.org/jira/browse/BEAM-14225?focusedWorklogId=751298&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-751298 ]
ASF GitHub Bot logged work on BEAM-14225:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 31/Mar/22 23:50
Start Date: 31/Mar/22 23:50
Worklog Time Spent: 10m
Work Description: ibzib commented on pull request #17238:
URL: https://github.com/apache/beam/pull/17238#issuecomment-1085242206
run seed job
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Issue Time Tracking
-------------------
Worklog Id: (was: 751298)
Time Spent: 20m (was: 10m)
> load balance jenkins jobs
> -------------------------
>
> Key: BEAM-14225
> URL: https://issues.apache.org/jira/browse/BEAM-14225
> Project: Beam
> Issue Type: Improvement
> Components: testing
> Reporter: Kyle Weaver
> Priority: P2
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Jenkins can do automatic load balancing for cron jobs that use the "H" syntax [1], but we apply it only sporadically (and often incorrectly) in Beam. For example, the default setting is currently '0 */6 * * *' [2]. This means "every six hours, starting from exactly 00:00 (UTC)." Which creates load spikes every 6 hours, since a ton of jobs are run at once, rather than being staggered.
> [1] https://github.com/jenkinsci/jenkins/blob/master/core/src/main/resources/hudson/triggers/TimerTrigger/help-spec.jelly#L40-L41
> [2] https://github.com/apache/beam/blob/4dddaf9c3d70b5b858c16265abee4cdbf0c72631/.test-infra/jenkins/CronJobBuilder.groovy#L40
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