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https://issues.apache.org/jira/browse/HDFS-7959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14380576#comment-14380576
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Kihwal Lee commented on HDFS-7959:
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>I think that the right fix is to move delegation token from the URL to the
>header.
Agreed. Daryn was looking at making that change, but the rolling upgrade
scenario makes it a bit complicated. Right now token in the request is very
useful in correlating the requests to a job or to a client. If token is not
part of the request URI, there should be something else for tracing and
correlating requests. It could be a dummy param derived from client ID, etc.
> WebHdfs logging is missing on Datanode
> --------------------------------------
>
> Key: HDFS-7959
> URL: https://issues.apache.org/jira/browse/HDFS-7959
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Priority: Critical
> Attachments: HDFS-7959.patch
>
>
> After the conversion to netty, webhdfs requests are not logged on datanodes.
> The existing jetty log only logs the non-webhdfs requests that come through
> the internal proxy.
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