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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-5986) Capture the number of blocks pending deletion on namenode webUI
Date Fri, 07 Mar 2014 19:54:46 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Nauroth resolved HDFS-5986.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 2.4.0
                   3.0.0
     Hadoop Flags: Reviewed

I committed this patch to trunk, branch-2 and branch-2.4.

> Capture the number of blocks pending deletion on namenode webUI
> ---------------------------------------------------------------
>
>                 Key: HDFS-5986
>                 URL: https://issues.apache.org/jira/browse/HDFS-5986
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 3.0.0, 2.4.0
>            Reporter: Suresh Srinivas
>            Assignee: Chris Nauroth
>             Fix For: 3.0.0, 2.4.0
>
>         Attachments: HDFS-5986-screenshot.png, HDFS-5986.1.patch
>
>
> When a directory that has large number of directories and files are deleted, the namespace
deletes the corresponding inodes immediately. However it is hard to to know when the invalidated
blocks are actually deleted on the datanodes, which could take a while.
> I propose adding on namenode webUI, along with under replicated blocks, the number of
blocks that are pending deletion.



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