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https://issues.apache.org/jira/browse/MRQL-73?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14557851#comment-14557851
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ASF GitHub Bot commented on MRQL-73:
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Github user asfgit closed the pull request at:
https://github.com/apache/incubator-mrql/pull/5
> Set the max number of tasks in Spark mode
> -----------------------------------------
>
> Key: MRQL-73
> URL: https://issues.apache.org/jira/browse/MRQL-73
> Project: MRQL
> Issue Type: Bug
> Components: Run-Time/Spark
> Affects Versions: 0.9.6
> Reporter: Leonidas Fegaras
> Assignee: Leonidas Fegaras
> Priority: Critical
>
> The number of worker nodes in Spark distributed mode, which are specified by
> the MRQL -nodes parameter, must set the parameters SPARK_WORKER_INSTANCES
> (called SPARK_EXECUTOR_INSTANCES in Spark 1.3.*) and SPARK_WORKER_CORES;
> otherwise, Spark will always use all the available cores in the cluster.
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