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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4052) FSNameSystem#invalidateWorkForOneNode and FSNameSystem#computeReplicationWorkForBlock in branch-1 should print debug information outside of the namesystem lock
Date Mon, 15 Oct 2012 17:56:03 GMT
Jing Zhao created HDFS-4052:
-------------------------------

             Summary: FSNameSystem#invalidateWorkForOneNode and FSNameSystem#computeReplicationWorkForBlock
in branch-1 should print debug information outside of the namesystem lock
                 Key: HDFS-4052
                 URL: https://issues.apache.org/jira/browse/HDFS-4052
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 1.2.0, 3.0.0
            Reporter: Jing Zhao
            Assignee: Jing Zhao
            Priority: Minor


Currently in branch-1, both FSNameSystem#invalidateWorkForOneNode and FSNameSystem#computeReplicationWorkForBlock
print debug information (which can be a long msg generated by traversing a list/array) without
releasing the FSNameSystem lock. It would be better to move them outside of the namesystem
lock.

This may also apply to FSNameSystem#invalidateWorkForOneNode in trunk.

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