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From "liuzhaokun (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-22727) spark.executor.instances's default value should be 2
Date Thu, 07 Dec 2017 09:10:00 GMT
liuzhaokun created SPARK-22727:
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             Summary: spark.executor.instances's default  value should be 2 
                 Key: SPARK-22727
                 URL: https://issues.apache.org/jira/browse/SPARK-22727
             Project: Spark
          Issue Type: Improvement
          Components: YARN
    Affects Versions: 2.2.0
            Reporter: liuzhaokun
            Priority: Minor


spark.executor.instances's default value in running-on-yarn.md is 2,but in ExecutorAllocationManager.scala
and org.apache.spark.util.Utils.scala it is used as the default value is 0.And I think it
should be 2 for applications' initialization.



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