Jiang Xingbo created SPARK-24818:
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Summary: Ensure all the barrier tasks in the same stage are
launched together
Key: SPARK-24818
URL: https://issues.apache.org/jira/browse/SPARK-24818
Project: Spark
Issue Type: New Feature
Components: Spark Core
Affects Versions: 2.4.0
Reporter: Jiang Xingbo
When some executors/hosts are blacklisted, it may happen that only a part of
the tasks in the same barrier stage can be launched. We shall detect the case
and revert the allocated resource offers.
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