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https://issues.apache.org/jira/browse/YARN-2096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14007338#comment-14007338
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Karthik Kambatla commented on YARN-2096:
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Looks good to me. +1.
> Race in TestRMRestart#testQueueMetricsOnRMRestart
> -------------------------------------------------
>
> Key: YARN-2096
> URL: https://issues.apache.org/jira/browse/YARN-2096
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Anubhav Dhoot
> Assignee: Anubhav Dhoot
> Attachments: YARN-2096.patch
>
>
> org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.testQueueMetricsOnRMRestart
> fails randomly because of a race condition.
> The test validates that metrics are incremented, but does not wait for all
> transitions to finish before checking for the values.
> It also resets metrics after kicking off recovery of second RM. The metrics
> that need to be incremented race with this reset causing test to fail
> randomly.
> We need to wait for the right transitions.
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