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Posted to issues@kylin.apache.org by "Liu Zhao (Jira)" <ji...@apache.org> on 2022/10/28 12:47:00 UTC

[jira] [Updated] (KYLIN-5285) has only one file after prune cuboid by sharby column, but launch 17 task when query

     [ https://issues.apache.org/jira/browse/KYLIN-5285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Liu Zhao updated KYLIN-5285:
----------------------------
    Description: 
使用了shardby,然后通过shardby裁剪到一个文件,该文件只有30多M(但这个cuboid下有17文件),结果查询的时候提交了17个task,只有一个有task在处理数据,其余都在空跑。



  was:
使用了shardby,然后通过shardby裁剪到一个文件,该文件只有30多M(但这个cuboid下有17文件),结果查询的时候提交了17个task,只有一个有task在处理数据,其余都在空跑。
 !image-2022-10-28-20-41-27-066.png! 
 !image-2022-10-28-20-41-37-702.png! 
 !image-2022-10-28-20-41-52-544.png! 
 !image-2022-10-28-20-42-01-694.png! 
 !image-2022-10-28-20-42-15-822.png! 




> has only one file after prune cuboid by sharby column, but launch 17 task when query
> ------------------------------------------------------------------------------------
>
>                 Key: KYLIN-5285
>                 URL: https://issues.apache.org/jira/browse/KYLIN-5285
>             Project: Kylin
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: v4.0.1
>            Reporter: Liu Zhao
>            Priority: Major
>         Attachments: image-2022-10-28-20-41-27-066.png, image-2022-10-28-20-41-37-702.png, image-2022-10-28-20-41-52-544.png, image-2022-10-28-20-42-01-694.png, image-2022-10-28-20-42-15-822.png
>
>
> 使用了shardby,然后通过shardby裁剪到一个文件,该文件只有30多M(但这个cuboid下有17文件),结果查询的时候提交了17个task,只有一个有task在处理数据,其余都在空跑。



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