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From "LiuLei (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6494) In some case, the hedged read will lead to client infinite wait.
Date Mon, 09 Jun 2014 07:46:02 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

LiuLei updated HDFS-6494:
-------------------------

    Attachment: hedged-read-bug.patch

> In some case, the  hedged read will lead to client  infinite wait.
> ------------------------------------------------------------------
>
>                 Key: HDFS-6494
>                 URL: https://issues.apache.org/jira/browse/HDFS-6494
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 2.4.0
>            Reporter: LiuLei
>            Assignee: Liang Xie
>         Attachments: hedged-read-bug.patch
>
>
> When I use "hedged read", If there is only one live datanode, the reading from  the datanode
throw TimeoutException and ChecksumException., the Client will infinite wait.



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