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https://issues.apache.org/jira/browse/HDFS-12896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16279755#comment-16279755
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chencan commented on HDFS-12896:
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hi @SammiChen，I understand this Jire fix a problem ,that is return the
effective EC policy in getErasureCodingPolicy rather than null,or provide a
new API?
> when set replicate EC policy for a directory or file，it's EC policy cannot be
> querying by getPolicy command.
> ------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-12896
> URL: https://issues.apache.org/jira/browse/HDFS-12896
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: chencan
>
> When i set replicate EC policy for ecDir，then query it by getPolicy，it return
> ‘The erasure coding policy of /ecDir is unspecified', as follow.
> [root@master bin]# hdfs dfs -mkdir /ecDir
> [root@master bin]# hdfs ec -setPolicy -path /ecDir -replicate
> Set erasure coding policy replication on /ecDir
> [root@master bin]# hdfs ec -getPolicy -path /ecDir
> The erasure coding policy of /ecDir is unspecified
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