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Posted to hdfs-issues@hadoop.apache.org by "Jinglun (Jira)" <ji...@apache.org> on 2019/08/27 12:55:00 UTC
[jira] [Updated] (HDFS-14782) Add a new fsck command to get
detailed decommission information.
[ https://issues.apache.org/jira/browse/HDFS-14782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jinglun updated HDFS-14782:
---------------------------
Attachment: HDFS-14782.001.patch
Status: Patch Available (was: Open)
> 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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