Sergey Shelukhin created HIVE-17256:
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Summary: add a notion of a guaranteed task to LLAP
Key: HIVE-17256
URL: https://issues.apache.org/jira/browse/HIVE-17256
Project: Hive
Issue Type: Bug
Reporter: Sergey Shelukhin
Assignee: Sergey Shelukhin
Tasks are basically on two levels, guaranteed and speculative, with speculative
being the default. As long as noone uses the new flag, the tasks behave the
same.
All the tasks that do have the flag also behave the same with regard to each
other.
The difference is that a guaranteed task is always higher priority, and
preempts, a speculative task.
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