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https://issues.apache.org/jira/browse/HDFS-16082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan updated HDFS-16082:
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Hadoop Flags: Reviewed
Target Version/s: 3.3.2, 3.4.0 (was: 3.4.0, 3.3.2)
> Avoid non-atomic operations on exceptionsSinceLastBalance and
> failedTimesSinceLastSuccessfulBalance in Balancer
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-16082
> URL: https://issues.apache.org/jira/browse/HDFS-16082
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer
> Affects Versions: 3.4.0, 3.3.2
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0, 3.3.2
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Balancer has introduced 2 volatile int as part of HDFS-13783 namely:
> exceptionsSinceLastBalance and failedTimesSinceLastSuccessfulBalance.
> However, we are performing non-atomic operations on it. Since non-atomic
> operations done here mostly depend on their previous values, we should use
> AtomicInteger for both.
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