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https://issues.apache.org/jira/browse/HDFS-12395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170598#comment-16170598
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Kihwal Lee commented on HDFS-12395:
-----------------------------------
You need to increment the NN layout version.
> Support erasure coding policy operations in namenode edit log
> -------------------------------------------------------------
>
> Key: HDFS-12395
> URL: https://issues.apache.org/jira/browse/HDFS-12395
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: erasure-coding
> Reporter: SammiChen
> Assignee: SammiChen
> Labels: hdfs-ec-3.0-must-do
> Fix For: 3.0.0-beta1
>
> Attachments: editsStored, HDFS-12395.001.patch, HDFS-12395.002.patch,
> HDFS-12395.003.patch, HDFS-12395.004.patch
>
>
> Support add, remove, disable, enable erasure coding policy operation in edit
> log.
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