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https://issues.apache.org/jira/browse/TEZ-3607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852149#comment-15852149
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Jonathan Eagles commented on TEZ-3607:
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[~kshukla], could allEventsReceived also return true too early in the case of
empty partitions? In addition what bug will surface in this case. Will there be
a hang or will we try to shutdown the fetchers too early?
> ShuffleScheduler#allEventsReceived check is too tight
> -----------------------------------------------------
>
> Key: TEZ-3607
> URL: https://issues.apache.org/jira/browse/TEZ-3607
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Kuhu Shukla
> Assignee: Kuhu Shukla
> Attachments: TEZ-3607.001.patch
>
>
> In case of skipped records being non zero, the allEventsReceived() call can
> return false even when all the events have in fact been received since
> pathtoAttemptsMap size plus the skipped counter may be more than the total
> number of inputs since we don't take out entries from the map if skipped
> counter is incremented.
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