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https://issues.apache.org/jira/browse/HDFS-2904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-2904:
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Attachment: hdfs-2904.txt
Addressed all of the comments except for #3 above.
I agree wholeheartedly that #3 is a good idea, but when I went to do it, I
faced the strange thing that we then had multiple methods in DFSUtil to create
NN proxies. The old one, which doesn't do failover, is still referenced in a
couple places. I think we should take care of this cleanup in (or maybe after)
HDFS-2958. Does that sound reasonable?
> HA: Client support for getting delegation tokens to an HA cluster
> -----------------------------------------------------------------
>
> Key: HDFS-2904
> URL: https://issues.apache.org/jira/browse/HDFS-2904
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha, hdfs client, name-node, security
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Critical
> Attachments: hdfs-2904.txt, hdfs-2904.txt, hdfs-2904.txt, test-dt.sh
>
>
> Currently we have server-side support for delegation tokens in HA, and some
> tests to verify it, but the client throws NPEs when trying to fetch a DT.
> This is because the cluster doesn't have a single hostname, but instead a
> logical nameservice name.
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