Tim Armstrong created IMPALA-8999:
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Summary: Revisit scheduler heuristics for parallelism
Key: IMPALA-8999
URL: https://issues.apache.org/jira/browse/IMPALA-8999
Project: IMPALA
Issue Type: Sub-task
Components: Distributed Exec
Reporter: Tim Armstrong
Assignee: Tim Armstrong
We should do another pass over the scheduler to make sure that the logic makes
sense for mt_dop.
There are some comments in scheduler.cc, e.g. talking about optimisations for
UNION.
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