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https://issues.apache.org/jira/browse/HDFS-7859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14395184#comment-14395184
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Kai Zheng commented on HDFS-7859:
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I would clarify here that this issue would focus on how to persist EC schemas
in NameNode, as already agreed, in the fsimage and editlog. Or in other words,
this issue is to change fsimage and editlog to persist EC schemas, and should
consider relevant issues like the image version, how to upgrade/downgrade and
etc.
> Erasure Coding: Persist EC schemas in NameNode
> ----------------------------------------------
>
> Key: HDFS-7859
> URL: https://issues.apache.org/jira/browse/HDFS-7859
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Kai Zheng
> Assignee: Xinwei Qin
>
> In meetup discussion with [~zhz] and [~jingzhao], it's suggested that we
> persist EC schemas in NameNode centrally and reliably, so that EC zones can
> reference them by name efficiently.
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