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https://issues.apache.org/jira/browse/SPARK-1525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14049054#comment-14049054
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Nan Zhu commented on SPARK-1525:
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this is fixed by
https://github.com/apache/spark/commit/f8111eaeb0e35f6aa9b1e3ec1173fff207174155
> TaskSchedulerImpl should decrease availableCpus by spark.task.cpus not 1
> ------------------------------------------------------------------------
>
> Key: SPARK-1525
> URL: https://issues.apache.org/jira/browse/SPARK-1525
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Reporter: YanTang Zhai
> Priority: Minor
>
> TaskSchedulerImpl decreases availableCpus by 1 in resourceOffers process
> always even though spark.task.cpus is more than 1, which will schedule more
> tasks to some node when spark.task.cpus is more than 1.
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