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Posted to issues@spark.apache.org by "Thomas Graves (JIRA)" <ji...@apache.org> on 2019/07/15 13:45:00 UTC

[jira] [Created] (SPARK-28403) Executor Allocation Manager can add an extra executor when speculative tasks

Thomas Graves created SPARK-28403:
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             Summary: Executor Allocation Manager can add an extra executor when speculative tasks
                 Key: SPARK-28403
                 URL: https://issues.apache.org/jira/browse/SPARK-28403
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 2.3.0
            Reporter: Thomas Graves


It looks like SPARK-19326 added a bug in the execuctor allocation maanger where it adds an extra executor when it shouldn't when we have pending speculative tasks but the target number didn't change. [https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala#L377]

It doesn't look like this is necessary since it already added in the pendingSpeculative tasks.

See the questioning of this on the PR at:

https://github.com/apache/spark/pull/18492/files#diff-b096353602813e47074ace09a3890d56R379



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