[jira] Issue Comment Edited: (HADOOP-5192) Block reciever should not remove a finalized block when block replication fails

["Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-5192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12696735#action_12696735 ] 

Tsz Wo (Nicholas), SZE edited comment on HADOOP-5192 at 4/7/09 2:19 PM:
------------------------------------------------------------------------

blockCleanup1-br18.patch does not include BlockAlreadyExistsException.java

5192_20090407_0.18.patch: added BlockAlreadyExistsException.java

      was (Author: szetszwo):
    blockCleanup1-br18.patch has a missing file.

5192_20090407_0.18.patch: added the missing file.
  
> Block reciever should not remove a finalized block when block replication fails
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-5192
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5192
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.18.3
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>            Priority: Blocker
>             Fix For: 0.18.4, 0.19.1
>
>         Attachments: 5192_20090407_0.18.patch, blockCleanup.patch, blockCleanup1-br18.patch, blockCleanup1.patch, blockRemove.patch
>
>
> HADOOP-4702 makes block receivers to remove the received block in case of a block replication failure. But the block should not be removed if the cause of the failure is that the block to be received already exists. The key is that a block receiver should allow to remove only partial blocks in case of block replication failures. 

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