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https://issues.apache.org/jira/browse/HDFS-1568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13052079#comment-13052079
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Joey Echeverria commented on HDFS-1568:
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Thanks.
> Improve DataXceiver error logging
> ---------------------------------
>
> Key: HDFS-1568
> URL: https://issues.apache.org/jira/browse/HDFS-1568
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: data-node
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Joey Echeverria
> Priority: Minor
> Labels: newbie
> Attachments: HDFS-1568-1.patch, HDFS-1568-3.patch, HDFS-1568-4.patch,
> HDFS-1568-5.patch, HDFS-1568-6.patch, HDFS-1568-output-changes.patch
>
>
> In supporting customers we often see things like SocketTimeoutExceptions or
> EOFExceptions coming from DataXceiver, but the logging isn't very good. For
> example, if we get an IOE while setting up a connection to the downstream
> mirror in writeBlock, the IP of the downstream mirror isn't logged on the DN
> side.
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