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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-20589) Allow limiting task concurrency per stage
Date Mon, 28 Aug 2017 18:17:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-20589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-20589:
------------------------------------

    Assignee:     (was: Apache Spark)

> Allow limiting task concurrency per stage
> -----------------------------------------
>
>                 Key: SPARK-20589
>                 URL: https://issues.apache.org/jira/browse/SPARK-20589
>             Project: Spark
>          Issue Type: Improvement
>          Components: Scheduler
>    Affects Versions: 2.1.0
>            Reporter: Thomas Graves
>
> It would be nice to have the ability to limit the number of concurrent tasks per stage.
 This is useful when your spark job might be accessing another service and you don't want
to DOS that service.  For instance Spark writing to hbase or Spark doing http puts on a service.
 Many times you want to do this without limiting the number of partitions. 



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