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https://issues.apache.org/jira/browse/HDFS-17904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDFS-17904:
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Labels: pull-request-available (was: )
> ProcessTimedOutExcessBlocks holds the BM lock for a long time
> -------------------------------------------------------------
>
> Key: HDFS-17904
> URL: https://issues.apache.org/jira/browse/HDFS-17904
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Affects Versions: 3.4.3
> Reporter: yue.wang
> Priority: Major
> Labels: pull-request-available
> Attachments: ProcessTimedOutExcessBlocks.png
>
>
> Spent a significant amount of time iterating over the {{Map<String,
> LightWeightHashSet<Block>>}} in {{{}ExcessRedundancyMap{}}}; the iteration
> should be moved outside the lock.
> !ProcessTimedOutExcessBlocks.png|width=787,height=319!
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