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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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Work on HDFS-10798 started by Erik Krogen.
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> 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: 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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