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https://issues.apache.org/jira/browse/HDFS-14782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16917349#comment-16917349
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Jinglun commented on HDFS-14782:
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Thanks [~kihwal], I don't know we have this metasave command. Yes, it can solve
my problem. So this is a duplicated work, I'll close it.
> Add a new fsck command to get detailed decommission information.
> ----------------------------------------------------------------
>
> Key: HDFS-14782
> URL: https://issues.apache.org/jira/browse/HDFS-14782
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Jinglun
> Assignee: Jinglun
> Priority: Major
> Attachments: HDFS-14782.001.patch
>
>
> When we decommission datanodes, sometimes the decommission progress is
> blocked. From the Namenode dfshealth page, the statistics of decommissioning
> datanode only tells us the number but not which blocks are 'Undre replicated
> blocks', 'Blocks with no live replicas' and 'Under Replicated Blocks In files
> under construction' . So we add a new fsck command to fetch the detail
> information of decommissioning nodes. We can use this command to target the
> blocks that blocking the node from decommission.
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