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https://issues.apache.org/jira/browse/HDFS-6879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14107799#comment-14107799
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Masatake Iwasaki commented on HDFS-6879:
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the patch consists of
* adding optional tracing info to RPC RequestHeader.
* adding the handling of tracing info to Client and Server.
* adding span receiver which sends tracing info to collector.
* adding the code to initialize receiver to NameNode and DataNode.
> Adding tracing to Hadoop RPC
> ----------------------------
>
> Key: HDFS-6879
> URL: https://issues.apache.org/jira/browse/HDFS-6879
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Masatake Iwasaki
> Attachments: HDFS-6879-0.patch
>
>
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