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https://issues.apache.org/jira/browse/YARN-6813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16084523#comment-16084523
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Subru Krishnan commented on YARN-6813:
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[~jlowe], thanks for reporting this. The heartbeat interval was kept
intentionally low as the purpose of the test was to trigger token renewals. We
can either reduce the AM/NM heartbeat interval or increase the AM expiry
interval.
I prefer the former as the latter will result in longer time for triggering
token renewal. Thoughts?
> TestAMRMProxy#testE2ETokenRenewal fails sporadically due to race conditions
> ---------------------------------------------------------------------------
>
> Key: YARN-6813
> URL: https://issues.apache.org/jira/browse/YARN-6813
> Project: Hadoop YARN
> Issue Type: Bug
> Components: test
> Affects Versions: 2.8.1
> Reporter: Jason Lowe
>
> The testE2ETokenRenewal test lowers the AM and nodemanager heartbeat
> intervals to only 1.5 seconds. This leaves very little headroom over the
> default heartbeat intervals of 1 second. If the AM hits a hiccup and runs a
> bit slower than expected the unit test can fail because the RM expires the AM.
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