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https://issues.apache.org/jira/browse/HDFS-9625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15110400#comment-15110400
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DENG FEI commented on HDFS-9625:
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[~Vinayakumar B] Thanks for you advice,your test code is suitable.
> set replication for empty file failed when set storage policy
> --------------------------------------------------------------
>
> Key: HDFS-9625
> URL: https://issues.apache.org/jira/browse/HDFS-9625
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.7.1
> Reporter: DENG FEI
> Assignee: DENG FEI
> Attachments: HDFS-9625.003.patch, patch.HDFS-9625.002,
> patch_HDFS-9625.20160107
>
>
> When setReplication, the FSDirectory#updateCount need calculate the
> related storageTypes quota,but will check the file consume the ds quota is
> positive.
> Actually,it's may set replication after create file,like
> JobSplitWriter#createSplitFiles.
> It's also can reproduce on command shell:
> 1. hdfs storagepolicies -setStoragePolicy -path /tmp -policy HOT
> 2. hdfs dfs -touchz /tmp/test
> 3. hdfs dfs -setrep 5 /tmp/test
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