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https://issues.apache.org/jira/browse/HDFS-14226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16750839#comment-16750839
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Ayush Saxena commented on HDFS-14226:
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Similarly I guess should be for unsetErasureCodingpolicy too.
I think the same thing applies for storage policy commands , setReplication.
setXattr even.We should correct the invocation there too. Just Changing the
invocation method to concurrent should do.
> RBF: setErasureCodingPolicy should set all multiple subclusters' directories.
> -----------------------------------------------------------------------------
>
> Key: HDFS-14226
> URL: https://issues.apache.org/jira/browse/HDFS-14226
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Takanobu Asanuma
> Priority: Major
> Labels: RBF
>
> Only one subcluster is set now.
> {noformat}
> // create a mount point of multiple subclusters
> hdfs dfsrouteradmin -add /all_data ns1 /data1
> hdfs dfsrouteradmin -add /all_data ns2 /data2
> hdfs ec -Dfs.defaultFS=hdfs://router:8888 -setPolicy -path /all_data -policy
> RS-3-2-1024k
> Set RS-3-2-1024k erasure coding policy on /all_data
> hdfs ec -Dfs.defaultFS=hdfs://router:8888 -getPolicy -path /all_data
> RS-3-2-1024k
> hdfs ec -Dfs.defaultFS=hdfs://ns1-namenode:8020 -getPolicy -path /data1
> RS-3-2-1024k
> hdfs ec -Dfs.defaultFS=hdfs://ns2-namenode:8020 -getPolicy -path /data2
> The erasure coding policy of /data2 is unspecified
> {noformat}
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