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https://issues.apache.org/jira/browse/YARN-3916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Saxena updated YARN-3916:
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Description:
DrainDispatcher#await should wait till event has been completely handled.
Currently it only checks for whether event queue has become empty.
And in many tests we directly check for a state to be changed after calling
await.
Sometimes, the states do not change by the time we check them as event has not
been completely handled.
*This is causing test failures* such as YARN-3909 and YARN-3910 and may cause
other test failures as well.
was:
DrainDispatcher#await should wait till event has been completely handled.
Currently it only checks for whether event queue has become empty.
And in many tests we directly check for a state to be changed after calling
await.
Sometimes, the states do not change by the time we check them as event has not
been completely handled.
This is causing test failures such as YARN-3909 and YARN-3910 and may cause
other test failures as well.
> DrainDispatcher#await should wait till event has been completely handled
> ------------------------------------------------------------------------
>
> Key: YARN-3916
> URL: https://issues.apache.org/jira/browse/YARN-3916
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.7.0
> Reporter: Varun Saxena
> Assignee: Varun Saxena
> Priority: Critical
> Attachments: YARN-3916.01.patch
>
>
> DrainDispatcher#await should wait till event has been completely handled.
> Currently it only checks for whether event queue has become empty.
> And in many tests we directly check for a state to be changed after calling
> await.
> Sometimes, the states do not change by the time we check them as event has
> not been completely handled.
> *This is causing test failures* such as YARN-3909 and YARN-3910 and may cause
> other test failures as well.
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