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https://issues.apache.org/jira/browse/SPARK-26514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-26514:
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Assignee: (was: Apache Spark)
> Introduce a new conf to improve the task parallelism
> ----------------------------------------------------
>
> Key: SPARK-26514
> URL: https://issues.apache.org/jira/browse/SPARK-26514
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.1.0, 2.4.0
> Reporter: zhoukang
> Priority: Major
>
> Currently, we have a conf below.
> {code:java}
> private[spark] val CPUS_PER_TASK =
> ConfigBuilder("spark.task.cpus").intConf.createWithDefault(1)
> {code}
> For some applications which are not cpu-intensive,we may want to let one cpu
> to run more than one task.
> Like:
> {code:java}
> private[spark] val TASKS_PER_CPU =
> ConfigBuilder("spark.cpu.tasks").intConf.createWithDefault(1)
> {code}
> Which can improve performance for some applications and can also improve
> resource utilization
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