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Posted to common-dev@hadoop.apache.org by "Suresh Srinivas (JIRA)" <ji...@apache.org> on 2009/12/19 18:51:18 UTC

[jira] Created: (HADOOP-6460) Namenode runs of out of memory due to memory leak in ipc Server

Namenode runs of out of memory due to memory leak in ipc Server
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                 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


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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