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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4971) Move IO operations out of locking in OpenFileCtx
Date Mon, 23 Sep 2013 20:29:07 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jing Zhao updated HDFS-4971:

       Resolution: Fixed
    Fix Version/s: 2.1.1-beta
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

I've committed this to trunk, branch-2 and branch-2.1-beta.
> Move IO operations out of locking in OpenFileCtx
> ------------------------------------------------
>                 Key: HDFS-4971
>                 URL: https://issues.apache.org/jira/browse/HDFS-4971
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: nfs
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>             Fix For: 2.1.1-beta
>         Attachments: HDFS-4971.000.patch, HDFS-4971.001.patch, HDFS-4971.002.patch, HDFS-4971.003.patch,
HDFS-4971.004.patch, HDFS-4971.005.patch, HDFS-4971.006.patch, HDFS-4971.007.patch
> Currently some IO operations (such as writing data to HDFS and dumping to local disk)
in OpenFileCtx may hold a lock which can block processing incoming writing requests. This
jira aims to optimize OpenFileCtx and move the IO operations out of the locking.

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