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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-581) Datanode's offerService does not handle rpc timeouts
Date Fri, 06 Oct 2006 20:50:21 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-581?page=all ]

Owen O'Malley updated HADOOP-581:

    Attachment: dfs.patch

This patch adds a catch for IOException in the Datanode's offerService loop. It also moves
clearing the blockReceived list until the call to the name node completes.

> Datanode's offerService does not handle rpc timeouts
> ----------------------------------------------------
>                 Key: HADOOP-581
>                 URL: http://issues.apache.org/jira/browse/HADOOP-581
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.6.2
>            Reporter: Owen O'Malley
>         Assigned To: Sameer Paranjpye
>             Fix For: 0.7.0
>         Attachments: dfs.patch
> The Datanode's offerService routine needs to protect itself (with log & ignore) from
IOExceptions (especially RPC timeouts) in the offer service method.
> Currently, if a heartbeat times out, the Datanode will "reset" itself, which means that
the full block report must be sent again.

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