Rohini Palaniswamy created OOZIE-2133:
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Summary: Support getting ATS delegation tokens for tez jobs
Key: OOZIE-2133
URL: https://issues.apache.org/jira/browse/OOZIE-2133
Project: Oozie
Issue Type: New Feature
Reporter: Rohini Palaniswamy
Assignee: Rohini Palaniswamy
Fix For: trunk
Need a new server side option to enable getting delegation tokens from ATS
(Application Timeline Server - generic history server for YARN Apps) for tez
jobs. Putting yarn.timeline-service.enabled=true in yarn-site.xml will enable
it for mapreduce jobs as well which is not needed. There are fixes being done
in future releases of YARN and TEZ to not fail but just warn and proceed if
they could not talk to ATS server. Since that is not available now and ATS is
not stable yet in Hadoop 2.6, it is preferable to use it only for Tez jobs and
not impact mapreduce jobs as jobs will fail if ATS token could not be fetched.
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