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From "Erik Krogen (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (HDFS-10798) Make the threshold of reporting FSNamesystem lock contention configurable
Date Thu, 25 Aug 2016 22:48:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

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