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https://issues.apache.org/jira/browse/HADOOP-3678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12610275#action_12610275
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Raghu Angadi commented on HADOOP-3678:
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I will attach a patch for 0.17.
> Avoid spurious "DataXceiver: java.io.IOException: Connection reset by peer"
> errors in DataNode log
> --------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3678
> URL: https://issues.apache.org/jira/browse/HADOOP-3678
> Project: Hadoop Core
> Issue Type: Bug
> Affects Versions: 0.17.0
> Reporter: Raghu Angadi
> Assignee: Raghu Angadi
> Fix For: 0.18.0
>
> Attachments: HADOOP-3678.patch, HADOOP-3678.patch
>
>
> When a client reads data using read(), it closes the sockets after it is
> done. Often it might not read till the end of a block. The datanode on the
> other side keeps writing data until the client connection is closed or end of
> the block is reached. If the client does not read till the end of the block,
> Datanode writes an error message and stack trace to the datanode log. It
> should not. This is not an error and it just pollutes the log and confuses
> the user.
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