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https://issues.apache.org/jira/browse/HDFS-10798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erik Krogen updated HDFS-10798:
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Status: Patch Available (was: In Progress)
Add configuration 'dfs.namenode.write-lock.reporting.threshold.ms' to configure
this value.
> Make the threshold of reporting FSNamesystem lock contention configurable
> -------------------------------------------------------------------------
>
> Key: HDFS-10798
> URL: https://issues.apache.org/jira/browse/HDFS-10798
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: logging, namenode
> Reporter: Zhe Zhang
> Assignee: Erik Krogen
> Labels: newbie
>
> Currently {{FSNamesystem#WRITELOCK_REPORTING_THRESHOLD}} is set at 1 second.
> In a busy system this might add too much overhead. We should make the
> threshold configurable.
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