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https://issues.apache.org/jira/browse/HDFS-17172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoqiao He resolved HDFS-17172.
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Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
> Support FSNamesystemLock Parameters reconfigurable
> --------------------------------------------------
>
> Key: HDFS-17172
> URL: https://issues.apache.org/jira/browse/HDFS-17172
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Haiyang Hu
> Assignee: Haiyang Hu
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> For Namesystem lock some parameters such as
> "dfs.namenode.lock.detailed-metrics.enabled",
> "dfs.namenode.read-lock-reporting-threshold-ms",
> "dfs.namenode.write-lock-reporting-threshold-ms"
> we will support reconfigurable these parameters without namenode restart is
> convenient for us to check the metrics operation of FSNamesystemLock.
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