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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1118) DFSOutputStream socket leak when cannot connect to DataNode
Date Thu, 29 Apr 2010 04:47:50 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12862095#action_12862095
] 

dhruba borthakur commented on HDFS-1118:
----------------------------------------

+1 good catch. awesome!

> DFSOutputStream socket leak when cannot connect to DataNode
> -----------------------------------------------------------
>
>                 Key: HDFS-1118
>                 URL: https://issues.apache.org/jira/browse/HDFS-1118
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.20.1, 0.20.2
>            Reporter: Zheng Shao
>            Assignee: Zheng Shao
>         Attachments: HDFS-1118.1.patch
>
>
> The offending code is in {{DFSOutputStream.nextBlockOutputStream}}
> This function retries several times to call {{createBlockOutputStream}}. Each time when
it fails, it leaves a {{Socket}} object in {{DFSOutputStream.s}}.
> That object is never closed, but overwritten the next time {{createBlockOutputStream}}
is called.

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