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https://issues.apache.org/jira/browse/HDFS-7048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14131931#comment-14131931
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Yongjun Zhang commented on HDFS-7048:
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HI [~lichangleo], thanks for looking into this. I thought [~ravwojdyla] is
still looking to, since he has spent time on it. Hi Rafal, would you please let
us know? 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
> Affects Versions: 2.6.0
> Reporter: Andrew Wang
> Assignee: chang li
>
> 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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