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From "Uma Maheswara Rao G (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2452) OutOfMemoryError in DataXceiverServer takes down the DataNode
Date Sat, 22 Oct 2011 05:06:32 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uma Maheswara Rao G updated HDFS-2452:
--------------------------------------

    Attachment: HDFS-2452-Trunk-src-fix.patch

Sorry for coming late, Thanks a lot for making the patch on trunk as well!

Cos, Patch mostly looks good. But one problem is IOUtils.socketClose() repeated in the patch.
Because socket close already handle in try block itself for IOEceptions. To avoid confusions
i just made it sync with 22 as well.

Here is a patch for trunk (only src changes). I will file separate JIRA for faultinjection
test.

Thanks,
Uma
                
> OutOfMemoryError in DataXceiverServer takes down the DataNode
> -------------------------------------------------------------
>
>                 Key: HDFS-2452
>                 URL: https://issues.apache.org/jira/browse/HDFS-2452
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: 0.22.0
>            Reporter: Konstantin Shvachko
>            Assignee: Uma Maheswara Rao G
>             Fix For: 0.22.0
>
>         Attachments: HDFS-2452-22Branch.2.patch, HDFS-2452-22branch.1.patch, HDFS-2452-22branch.patch,
HDFS-2452-22branch.patch, HDFS-2452-22branch.patch, HDFS-2452-22branch.patch, HDFS-2452-22branch_with-around_.patch,
HDFS-2452-22branch_with-around_.patch, HDFS-2452-Trunk-src-fix.patch, HDFS-2452.patch
>
>
> OutOfMemoryError brings down DataNode, when DataXceiverServer tries to spawn a new data
transfer thread.

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