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https://issues.apache.org/jira/browse/HDFS-4052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao updated HDFS-4052:
----------------------------
Attachment: HDFS-4052.trunk.001.patch
HDFS-4052.b1.001.patch
Patch uploaded for branch-1 and trunk.
> FSNameSystem#invalidateWorkForOneNode and
> FSNameSystem#computeReplicationWorkForBlock in branch-1 should print debug
> information outside of the namesystem lock
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-4052
> URL: https://issues.apache.org/jira/browse/HDFS-4052
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 1.2.0, 3.0.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Priority: Minor
> Attachments: HDFS-4052.b1.001.patch, HDFS-4052.trunk.001.patch
>
>
> Currently in branch-1, both FSNameSystem#invalidateWorkForOneNode and
> FSNameSystem#computeReplicationWorkForBlock print debug information (which
> can be a long msg generated by traversing a list/array) without releasing the
> FSNameSystem lock. It would be better to move them outside of the namesystem
> lock.
> This may also apply to FSNameSystem#invalidateWorkForOneNode in trunk.
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