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Posted to hdfs-issues@hadoop.apache.org by "Arpit Agarwal (JIRA)" <ji...@apache.org> on 2014/08/29 21:25:54 UTC

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

     [ https://issues.apache.org/jira/browse/HDFS-6975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arpit Agarwal updated HDFS-6975:
--------------------------------

    Issue Type: Improvement  (was: Bug)

> Consider removing heavyweight synchronization for FsDatasetImpl operations
> --------------------------------------------------------------------------
>
>                 Key: HDFS-6975
>                 URL: https://issues.apache.org/jira/browse/HDFS-6975
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>    Affects Versions: 2.6.0
>            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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