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https://issues.apache.org/jira/browse/SPARK-23974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-23974:
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Assignee: Apache Spark
> 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
> Assignee: Apache Spark
> Priority: Major
>
> 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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