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https://issues.apache.org/jira/browse/HBASE-15570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16449934#comment-16449934
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Eric Maynard commented on HBASE-15570:
--------------------------------------
SPARK-19143 grew out of SPARK-14743; there is a WIP branch which appears to
contain
a[fix|https://github.com/apache/spark/compare/master...jerryshao:SPARK-19143?expand=1#diff-585f4ef80e73cef8943ccf472e106046R48]
but no PR yet.
> renewable delegation tokens for long-lived spark applications
> -------------------------------------------------------------
>
> Key: HBASE-15570
> URL: https://issues.apache.org/jira/browse/HBASE-15570
> Project: HBase
> Issue Type: Improvement
> Components: spark
> Reporter: Sean Busbey
> Assignee: Sean Busbey
> Priority: Major
>
> Right now our spark integration works on secure clusters by getting
> delegation tokens and sending them to the executors. Unfortunately,
> applications that need to run for longer than the delegation token lifetime
> (by default 7 days) will fail.
> In particular, this is an issue for Spark Streaming applications. Since they
> expect to run indefinitely, we should have a means for renewing the
> delegation tokens.
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