Steve Loughran created YARN-1040:
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Summary: Add ability to execute multiple programs in the same
long-lived container
Key: YARN-1040
URL: https://issues.apache.org/jira/browse/YARN-1040
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Steve Loughran
The AM should be able to exec >1 process in a container, rather than have the
NM automatically release the container when the single process exits.
This would let an AM restart a process on the same container repeatedly, which
for HBase would offer locality on a restarted region server.
We may also want the ability to exec multiple processes in parallel, so that
something could be run in the container while a long-lived process was already
running. This can be useful in monitoring and reconfiguring the long-lived
process, as well as shutting it down.
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