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Posted to common-dev@hadoop.apache.org by "Raghu Angadi (JIRA)" <ji...@apache.org> on 2008/03/01 01:43:51 UTC

[jira] Updated: (HADOOP-2346) DataNode should have timeout on socket writes.

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

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

    Attachment: HADOOP-2346.patch

My latest attempt at working around boolean and not do runtime check in doIO().

> 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, HADOOP-2346.patch, HADOOP-2346.patch, 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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