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Posted to hdfs-dev@hadoop.apache.org by "Arpit Agarwal (JIRA)" <ji...@apache.org> on 2014/08/29 21:25:53 UTC

[jira] [Created] (HDFS-6975) Consider removing heavyweight synchronization for FsDatasetImpl operations

Arpit Agarwal created HDFS-6975:
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             Summary: Consider removing heavyweight synchronization for FsDatasetImpl operations
                 Key: HDFS-6975
                 URL: https://issues.apache.org/jira/browse/HDFS-6975
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: datanode
            Reporter: Arpit Agarwal


Post HDFS-6482, I think we can remove the requirement for most operations to synchronize on the FsDatasetImpl object lock. Especially filesystem operations need not synchronize since block file locations are going to be deterministic.

Jira to investigate this more rigorously.



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