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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4489) Blocks have been scheduled to delete by NameNode but are not deleted on the DataNode
Date Wed, 22 Oct 2008 20:45:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hairong Kuang updated HADOOP-4489:
----------------------------------

    Description: 
NameNode sometimes scheduled a replica to be deleted as shown in the NameNode log:

INFO org.apache.hadoop.dfs.StateChange: BLOCK* ask DataNode XX to delete blk_YY

But block YY did not get deleted on the DataNode XX. The datanode log had no indication of
where the deletion was successful or failed. The block YY remains on the DataNode XX's disk
with no timestamp change.

  was:
NameNode sometimes scheduled a replica to be deleted as shown in the NameNode log:

INFO org.apache.hadoop.dfs.StateChange: BLOCK* ask DataNode XX to delete blk_YY

But block YY did not get deleted on the DataNode XX. The datanode log had no indication of
where the deletion was successful or failed. The block BB remains on the DataNode XX's disk
with no timestamp change.


> Blocks have been scheduled to delete by NameNode but are not deleted on the DataNode
> ------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4489
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4489
>             Project: Hadoop Core
>          Issue Type: Bug
>    Affects Versions: 0.17.0
>            Reporter: Hairong Kuang
>
> NameNode sometimes scheduled a replica to be deleted as shown in the NameNode log:
> INFO org.apache.hadoop.dfs.StateChange: BLOCK* ask DataNode XX to delete blk_YY
> But block YY did not get deleted on the DataNode XX. The datanode log had no indication
of where the deletion was successful or failed. The block YY remains on the DataNode XX's
disk with no timestamp change.

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