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https://issues.apache.org/jira/browse/HDFS-7859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14497447#comment-14497447
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Tsz Wo Nicholas Sze commented on HDFS-7859:
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> ... We had already persisted some hard-coded values that should be covered by
> a schema ...
What do you mean? Could you give an example?
> ... Please note this issue blocks many subsequent issues and I thought we
> still have enough time for them right before the merge happening.
What are the subsequent issues?
> 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
> Attachments: HDFS-7859.001.patch
>
>
> 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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