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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/12/10 17:24:00 UTC

[jira] [Assigned] (SPARK-33741) Add minimum threshold speculation config

     [ https://issues.apache.org/jira/browse/SPARK-33741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-33741:
------------------------------------

    Assignee: Apache Spark

> Add minimum threshold speculation config
> ----------------------------------------
>
>                 Key: SPARK-33741
>                 URL: https://issues.apache.org/jira/browse/SPARK-33741
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 3.0.1
>            Reporter: Sanket Reddy
>            Assignee: Apache Spark
>            Priority: Minor
>
> When we turn on speculation with default configs we have the last 10% of the tasks subject to speculation. There are a lot of stages where the stage runs for few seconds to minutes. Also in general we don't want to speculate tasks that run within a specific interval. By setting a minimum threshold for speculation gives us better control



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