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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-668) TestFileAppend3#TC7 sometimes hangs
Date Fri, 16 Oct 2009 21:24:31 GMT

     [ https://issues.apache.org/jira/browse/HDFS-668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hairong Kuang updated HDFS-668:
-------------------------------

    Hadoop Flags: [Reviewed]
          Status: Patch Available  (was: Open)

> TestFileAppend3#TC7 sometimes hangs
> -----------------------------------
>
>                 Key: HDFS-668
>                 URL: https://issues.apache.org/jira/browse/HDFS-668
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: 0.21.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.21.0
>
>         Attachments: hdfs-668.patch, loop.patch, loop1.patch
>
>
> TestFileAppend3 hangs because it fails on close the file. The following is the snippet
of logs that shows the cause of the problem:
>     [junit] 2009-10-01 07:00:00,719 WARN  hdfs.DFSClient (DFSClient.java:setupPipelineForAppendOrRecovery(3004))
- Error Recovery for block blk_-4098350497078465335_1007 in pipeline 127.0.0.1:58375, 127.0.0.1:36982:
bad datanode 127.0.0.1:36982
>     [junit] 2009-10-01 07:00:00,721 INFO  datanode.DataNode (DataXceiver.java:opWriteBlock(224))
- Receiving block blk_-4098350497078465335_1007 src: /127.0.0.1:40252 dest: /127.0.0.1:58375
>     [junit] 2009-10-01 07:00:00,721 INFO  datanode.DataNode (FSDataset.java:recoverClose(1248))
- Recover failed close blk_-4098350497078465335_1007
>     [junit] 2009-10-01 07:00:00,723 INFO  datanode.DataNode (DataXceiver.java:opWriteBlock(369))
- Received block blk_-4098350497078465335_1008 src: /127.0.0.1:40252 dest: /127.0.0.1:58375
of size 65536
>     [junit] 2009-10-01 07:00:00,724 INFO  hdfs.StateChange (BlockManager.java:addStoredBlock(1006))
- BLOCK* NameSystem.addStoredBlock: addStoredBlock request received for blk_-4098350497078465335_1008
on 127.0.0.1:58375 size 65536 But it does not belong to any file.
>     [junit] 2009-10-01 07:00:00,724 INFO  namenode.FSNamesystem (FSNamesystem.java:updatePipeline(3946))
- updatePipeline(block=blk_-4098350497078465335_1007, newGenerationStamp=1008, newLength=65536,
newNodes=[127.0.0.1:58375], clientName=DFSClient_995688145)
>  

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