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https://issues.apache.org/jira/browse/HDFS-9732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15252453#comment-15252453
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Steve Loughran commented on HDFS-9732:
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I'm happy with this, you've done some great work here.
[~aw] do you have any issues with the patch as is? Notice how there are even
unit tests to verify the output is stable, which is something no other bit of
the code has
> Remove DelegationTokenIdentifier.toString() —for better logging output
> ----------------------------------------------------------------------
>
> Key: HDFS-9732
> URL: https://issues.apache.org/jira/browse/HDFS-9732
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.7.2
> Reporter: Steve Loughran
> Assignee: Yongjun Zhang
> Attachments: HADOOP-12752-001.patch, HDFS-9732-000.patch,
> HDFS-9732.001.patch, HDFS-9732.002.patch, HDFS-9732.003.patch,
> HDFS-9732.004.patch
>
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> HDFS {{DelegationTokenIdentifier.toString()}} adds some diagnostics info,
> owner, sequence number. But its superclass,
> {{AbstractDelegationTokenIdentifier}} contains a lot more information,
> including token issue and expiry times.
> Because {{DelegationTokenIdentifier.toString()}} doesn't include this data,
> information that is potentially useful for kerberos diagnostics is lost.
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