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https://issues.apache.org/jira/browse/HADOOP-7133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13004790#comment-13004790
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Jakob Homan commented on HADOOP-7133:
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Hairong: Good suggestion on the threadlocal. I'm ready to commit this as is.
Would you be ok with doing that optimization in separate JIRA?
> 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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