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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-139) Datanode block deletions can get starved.
Date Thu, 17 Jul 2014 19:55:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14065455#comment-14065455
] 

Allen Wittenauer commented on HDFS-139:
---------------------------------------

I suspect we can close this as fixed, but someone should verify.

> Datanode block deletions can get starved.
> -----------------------------------------
>
>                 Key: HDFS-139
>                 URL: https://issues.apache.org/jira/browse/HDFS-139
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Raghu Angadi
>
> See the relevant [comment|https://issues.apache.org/jira/browse/HADOOP-2576?focusedCommentId=12561866#action_12561866]
in HADOOP-2576.
> Namenode asks a datanode to delete blocks only if datanode is not asked to transfer a
block. Namenode should send both the blocks to transfer and to delete. The problem gets worse
if configured heartbeat is longer.



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