[jira] Commented: (HADOOP-7133) CLONE to COMMON - HDFS-1445 Batch the calls in DataStorage to FileUtil.createHardLink(), so we call it once per directory instead of once per file

["Jakob Homan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-7133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13004298#comment-13004298 ] 

Jakob Homan commented on HADOOP-7133:
-------------------------------------

+1 on this patch, however, even with the backwards compatibility now provided, I'd like to see the HDFS counterpart and commit them both at once.  Once that has been posted and reviewed, I'll go ahead and commit both.

> CLONE to COMMON - HDFS-1445 Batch the calls in DataStorage to FileUtil.createHardLink(), so we call it once per directory instead of once per file
> --------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-7133
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7133
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: util
>    Affects Versions: 0.20.2
>            Reporter: Matt Foley
>            Assignee: Matt Foley
>             Fix For: 0.22.0
>
>         Attachments: HDFS-1445-trunk.v23_common_1-of-3.patch
>
>
> The fix for HDFS-1445 "Batch the calls in DataStorage to FileUtil.createHardLink(), so we call it once per directory instead of once per file" requires coordinated change in COMMON and HDFS.  This is the COMMON portion, submitted here under a separate bug to activate the automated testing.
> Warning: this patch to COMMON, by itself, will break HDFS.  It requires coordinated commit of the HDFS portion of the patch in HDFS-1445.

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