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https://issues.apache.org/jira/browse/HDFS-8789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14738070#comment-14738070
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Xu Chen commented on HDFS-8789:
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HI [~ctrezzo] As your say, what that "robust tool " looks like ? command line
? RaidNode? or Code inside? did block migrate is automatically with client's
access?
> Block Placement policy migrator
> -------------------------------
>
> Key: HDFS-8789
> URL: https://issues.apache.org/jira/browse/HDFS-8789
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Chris Trezzo
> Assignee: Chris Trezzo
>
> As we start to add new block placement policies to HDFS, it will be necessary
> to have a robust tool that can migrate HDFS blocks between placement
> policies. This jira is for the design and implementation of that tool.
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