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https://issues.apache.org/jira/browse/HDFS-7717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16644268#comment-16644268
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Xiao Chen commented on HDFS-7717:
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Thanks [~knanasi] for the new summary.
I think this is kind of already exists as distcp plus manual removal. But for
true automation, I agree with you SPS seems to be the best place. It already
has this directory traversal and much of the conversion path, so the ec
converter would be a new policy with a more complicated error handling. I
propose we investigate more into having this as a follow-on item for
HDFS-10285. [~umamaheswararao], [~Sammi], [~rakeshr], [~andrew.wang] what do
you think?
> Erasure Coding: distribute replication to EC conversion work to DataNode
> ------------------------------------------------------------------------
>
> Key: HDFS-7717
> URL: https://issues.apache.org/jira/browse/HDFS-7717
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Jing Zhao
> Assignee: Sammi Chen
> Priority: Major
>
> In *stripping* erasure coding case, we need some approach to distribute
> conversion work between replication and stripping erasure coding to DataNode.
> It can be NameNode, or a tool utilizing MR just like the current distcp, or
> another one like the balancer/mover.
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