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From "Luke Forehand (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5859) FindBugs : fix "wait() or sleep() with locks held" warnings in hdfs
Date Thu, 15 Jul 2010 22:20:52 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12888943#action_12888943
] 

Luke Forehand commented on HADOOP-5859:
---------------------------------------

Is this patch applied to 0.20.1 by chance?  We are experiencing this issue with regularity
on a 3 node cluster attempting to load 15GB of data.

> FindBugs : fix "wait() or sleep() with locks held" warnings in hdfs
> -------------------------------------------------------------------
>
>                 Key: HADOOP-5859
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5859
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Kan Zhang
>            Assignee: Kan Zhang
>             Fix For: 0.21.0
>
>         Attachments: 5859-21.patch, 5859-22.patch, 5859-26.patch, 5859-33.patch, 5859-35.patch,
5859-36.patch, 5859-38.patch, 5859-4.patch, 5859-40.patch, 5859-41.patch, 5859-5.patch, 5859-8.patch
>
>
> This JIRA fixes the following warnings:
> SWL	org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.closeInternal() calls Thread.sleep()
with a lock held
> TLW	wait() with two locks held in org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.flushInternal()
> TLW	wait() with two locks held in org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.flushInternal()
> TLW	wait() with two locks held in org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.writeChunk(byte[],
int, int, byte[])

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