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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2346) DataNode should have timeout on socket writes.
Date Fri, 15 Feb 2008 03:51:08 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Raghu Angadi updated HADOOP-2346:
---------------------------------

    Fix Version/s:     (was: 0.16.1)
                   0.17.0

> DataNode should have timeout on socket writes.
> ----------------------------------------------
>
>                 Key: HADOOP-2346
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2346
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.15.1
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
>             Fix For: 0.17.0
>
>         Attachments: HADOOP-2346.patch, HADOOP-2346.patch, HADOOP-2346.patch, HADOOP-2346.patch,
HADOOP-2346.patch
>
>
> If a client opens a file and stops reading in the middle, DataNode thread writing the
data could be stuck forever. For DataNode sockets we set read timeout but not write timeout.
I think we should add a write(data, timeout) method in IOUtils that assumes it the underlying
FileChannel is non-blocking.

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