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From "Amir Langer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5733) Separate concurrency control between BM and NN
Date Wed, 08 Jan 2014 14:11:50 GMT
Amir Langer created HDFS-5733:
---------------------------------

             Summary: Separate concurrency control between BM and NN
                 Key: HDFS-5733
                 URL: https://issues.apache.org/jira/browse/HDFS-5733
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Amir Langer


Replace usage of the namesystem locking mechanism by the BM with its own concurrency control
to control its own internal state.

Both NN and BM will still run from the same VM.
This task should maintain backward compatibility.

 



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