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https://issues.apache.org/jira/browse/HDFS-12686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217973#comment-16217973
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SammiChen commented on HDFS-12686:
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Hi [~jojochuang], this JIRA is closely related with HDFS-12682. I was plan to
work on it after HDFS-12682 is committed. Thanks [~xiaochen] for taking care
it together in HDFS-12682.
> Erasure coding system policy state is not correctly saved and loaded during
> real cluster restart
> ------------------------------------------------------------------------------------------------
>
> Key: HDFS-12686
> URL: https://issues.apache.org/jira/browse/HDFS-12686
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.0.0-beta1
> Reporter: SammiChen
> Assignee: SammiChen
> Priority: Blocker
> Labels: hdfs-ec-3.0-must-do
>
> Inspired by HDFS-12682, I found the system erasure coding policy state will
> not be correctly saved and loaded in a real cluster. Through there are such
> kind of unit tests and all are passed with MiniCluster. It's because the
> MiniCluster keeps the same static system erasure coding policy object after
> the NN restart operation.
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