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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-15570) renewable delegation tokens for long-lived spark applications
Date Thu, 31 Mar 2016 14:22:25 GMT
Sean Busbey created HBASE-15570:
-----------------------------------

             Summary: 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


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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