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From "Tao Jie (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-13411) Should log more information when FSNameSystem is locked for a long time
Date Sun, 08 Apr 2018 02:53:00 GMT
Tao Jie created HDFS-13411:
------------------------------

             Summary: Should log more information when FSNameSystem is locked for a long time
                 Key: HDFS-13411
                 URL: https://issues.apache.org/jira/browse/HDFS-13411
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 3.0.0, 2.8.2
            Reporter: Tao Jie
            Assignee: Tao Jie


Today when one RPC to namenode locks FSNameSystem for a long time, it would print the stacktrace
to the namenode log. However all we know from this log is the operation name to the Namenode(such
as create, delete). 

It should print more information about the rpc call(like caller name, caller ip, operation
src), which blocks the namenode. So we can have a better tuning to the HDFS. 



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