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From "Jingcheng Du (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HDFS-10924) Add a new instrumented read-write lock
Date Fri, 30 Sep 2016 09:00:32 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15535467#comment-15535467
] 

Jingcheng Du edited comment on HDFS-10924 at 9/30/16 8:59 AM:
--------------------------------------------------------------

Hi [~arpitagarwal], I will have a vocation in the next whole week, and will resume my work
on Oct 10. I have to refresh the patch according to comments at that time. So sorry for the
inconvenience.
The new patch V2 is uploaded according to the Hadoop QA result, pleas kindly take a look if
it is okay to commit. Thanks a lot for your review and comments!


was (Author: jingcheng.du@intel.com):
Hi [~arpitagarwal], I will have a vocation in the next whole week, and will resume my work
on Oct 10. I have to refresh the patch according to comments at that time. So sorry for the
inconvenience, and thanks a lot for your review and comments!

> Add a new instrumented read-write lock
> --------------------------------------
>
>                 Key: HDFS-10924
>                 URL: https://issues.apache.org/jira/browse/HDFS-10924
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Jingcheng Du
>            Assignee: Jingcheng Du
>         Attachments: HDFS-10924-2.patch, HDFS-10924.patch
>
>
> Add a new instrumented read-write lock in hadoop common, so that the HDFS-9668 can use
this to improve the locking in FsDatasetImpl



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