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https://issues.apache.org/jira/browse/HDFS-1165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon resolved HDFS-1165.
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Resolution: Duplicate
Since HDFS-988 is marked blocker, and I should have a unit test for it ready
soon, I'm marking this one as duplicate.
> createSymlink should not hold the fsnamesytem lock when sync its edit log to
> disk
> ---------------------------------------------------------------------------------
>
> Key: HDFS-1165
> URL: https://issues.apache.org/jira/browse/HDFS-1165
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.21.0
> Reporter: Hairong Kuang
> Assignee: Eli Collins
> Priority: Blocker
> Fix For: 0.21.0, 0.22.0
>
>
> Holding the fsnamesytem lock while calling logSync is unnecessary and
> decrease NameNode performance.
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