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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HDFS-13658) Expose HighestPriorityLowRedundancy blocks statistics
Date Wed, 08 Aug 2018 17:42:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16573566#comment-16573566
] 

Xiao Chen edited comment on HDFS-13658 at 8/8/18 5:41 PM:
----------------------------------------------------------

+1. Committed to trunk.

Thanks for the great work here Kitti, and Gabor / Andrew for the reviews and thoughts!


was (Author: xiaochen):
+1. Committed to trunk.

 

Thanks for the great work here Kitti, and Andrew for the reviews and thoughts!

> Expose HighestPriorityLowRedundancy blocks statistics
> -----------------------------------------------------
>
>                 Key: HDFS-13658
>                 URL: https://issues.apache.org/jira/browse/HDFS-13658
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>    Affects Versions: 3.1.0
>            Reporter: Kitti Nanasi
>            Assignee: Kitti Nanasi
>            Priority: Major
>             Fix For: 3.2.0
>
>         Attachments: HDFS-13658.001.patch, HDFS-13658.002.patch, HDFS-13658.003.patch,
HDFS-13658.004.patch, HDFS-13658.005.patch, HDFS-13658.006.patch, HDFS-13658.007.patch, HDFS-13658.008.patch,
HDFS-13658.009.patch, HDFS-13658.010.patch, HDFS-13658.011.patch, HDFS-13658.012.patch
>
>
> fsck, dfsadmin -report, and NN WebUI should report number of blocks that have 1 replica.
We have had many cases opened in which a customer has lost a disk or a DN losing files/blocks
due to the fact that they had blocks with only 1 replica. We need to make the customer better
aware of this situation and that they should take action.



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