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From "Darcy Shen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-23974) Do not allocate more containers as expected in dynamic allocation
Date Fri, 13 Apr 2018 02:16:00 GMT
Darcy Shen created SPARK-23974:
----------------------------------

             Summary: Do not allocate more containers as expected in dynamic allocation
                 Key: SPARK-23974
                 URL: https://issues.apache.org/jira/browse/SPARK-23974
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 2.1.1
            Reporter: Darcy Shen


Using Yarn with dynamic allocation enabled, spark does not allocate more containers when current
containers(executors) number is less than the max executor num.

For example, we only have 7 executors working, while our cluster is not busy, and I have set

{{ spark.dynamicAllocation.maxExecutors = 600}}

{{and the current jobs of the context are executed slowly.}}



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