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https://issues.apache.org/jira/browse/HDFS-7717?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kai Zheng updated HDFS-7717:
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Description: We need some approach to distribute conversion work between
replication and 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. (was: We need a tool to do offline conversion between
replication and erasure coding. The tool itself can either utilize MR just like
the current distcp, or act like the balancer/mover. )
> Erasure Coding: distribute replication to erasure coding 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: Kai Sasaki
>
> We need some approach to distribute conversion work between replication and
> 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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