You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2019/11/19 11:20:00 UTC

[jira] [Assigned] (SPARK-29893) Improve the local reader performance by changing the task number from 1 to multi

     [ https://issues.apache.org/jira/browse/SPARK-29893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-29893:
-----------------------------------

    Assignee: Ke Jia

> Improve the local reader performance by changing the task number from 1 to multi
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-29893
>                 URL: https://issues.apache.org/jira/browse/SPARK-29893
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Ke Jia
>            Assignee: Ke Jia
>            Priority: Major
>
> The currently local reader read all the partition of map stage only using 1 task, which may cause the performance degradation. This PR will improve the performance by using multi tasks instead of one task.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org