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https://issues.apache.org/jira/browse/HDFS-7048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14587803#comment-14587803
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Chengbing Liu commented on HDFS-7048:
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The failed test is unrelated.
Perhaps [~andrew.wang] can take a look at the patch? Thanks.
> Incorrect Balancer#Source wait/notify leads to early termination
> ----------------------------------------------------------------
>
> Key: HDFS-7048
> URL: https://issues.apache.org/jira/browse/HDFS-7048
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer & mover
> Affects Versions: 2.6.0, 2.7.0
> Reporter: Andrew Wang
> Assignee: Chengbing Liu
> Attachments: HDFS-7048.01.patch
>
>
> Split off from HDFS-6621. The Balancer attempts to wake up scheduler threads
> early as sources finish, but the synchronization with wait and notify is
> incorrect. This ticks the failure count, which can lead to early termination.
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