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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7933) fsck should also report decommissioning replicas.
Date Tue, 14 Apr 2015 06:00:23 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer updated HDFS-7933:
-----------------------------------
    Hadoop Flags: Incompatible change,Reviewed  (was: Reviewed)

Marking this as an incompatible change since it the output of fsck is now different.

> fsck should also report decommissioning replicas. 
> --------------------------------------------------
>
>                 Key: HDFS-7933
>                 URL: https://issues.apache.org/jira/browse/HDFS-7933
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Jitendra Nath Pandey
>            Assignee: Xiaoyu Yao
>             Fix For: 2.8.0
>
>         Attachments: HDFS-7933.00.patch, HDFS-7933.01.patch, HDFS-7933.02.patch, HDFS-7933.03.patch
>
>
> Fsck doesn't count replicas that are on decommissioning nodes. If a block has all replicas
on the decommissioning nodes, it will be marked as missing, which is alarming for the admins,
although the system will replicate them before nodes are decommissioned.
> Fsck output should also show decommissioning replicas along with the live replicas.



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