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Date: Wed, 23 Dec 2009 23:05:29 +0000 (UTC)
From: "Suresh Srinivas (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-6460) Namenode runs of out of memory due to
 memory leak in ipc Server
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     [ https://issues.apache.org/jira/browse/HADOOP-6460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suresh Srinivas updated HADOOP-6460:
------------------------------------

    Status: Open  (was: Patch Available)

> Namenode runs of out of memory due to memory leak in ipc Server
> ---------------------------------------------------------------
>
>                 Key: HADOOP-6460
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6460
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.20.1, 0.21.0, 0.22.0
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>            Priority: Blocker
>             Fix For: 0.20.2, 0.21.0, 0.22.0
>
>         Attachments: hadoop-6460.1.patch, hadoop-6460.5.patch, hadoop-6460.6.patch, hadoop-6460.7.patch, hadoop-6460.patch
>
>
> Namenode heap usage grows disproportional to the number objects supports (files, directories and blocks). Based on heap dump analysis, this is due to large growth in ByteArrayOutputStream allocated in o.a.h.ipc.Server.Handler.run().

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