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https://issues.apache.org/jira/browse/SPARK-7699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14550367#comment-14550367
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Sean Owen commented on SPARK-7699:
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Isn't maxNeeded the correct number at that point then? the initial state
doesn't matter. I agree that the initial setting probably doesn't last long.
But there's a difference in going from initial to # needed, than having to
start at min and get to the # needed; there's still a point to hinting the
right initial value.
Are you saying this happens so fast that the initial executors never has any
effect because it never even got a chance to influence any request?
> Config "spark.dynamicAllocation.initialExecutors" has no effect
> ----------------------------------------------------------------
>
> Key: SPARK-7699
> URL: https://issues.apache.org/jira/browse/SPARK-7699
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Reporter: meiyoula
>
> spark.dynamicAllocation.minExecutors 2
> spark.dynamicAllocation.initialExecutors 3
> spark.dynamicAllocation.maxExecutors 4
> Just run the spark-shell with above configurations, the initial executor
> number is 2.
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