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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-23974) Do not allocate more containers as expected in dynamic allocation
Date Fri, 13 Apr 2018 03:00:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-23974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-23974:
------------------------------------

    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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