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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10798) Make the threshold of reporting FSNamesystem lock contention configurable
Date Thu, 25 Aug 2016 16:57:20 GMT
Zhe Zhang created HDFS-10798:
--------------------------------

             Summary: 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


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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