[jira] [Commented] (KYLIN-4966) Refresh the existing segment according to the new cuboid list in kylin4

Sun, 18 Apr 2021 20:08:08 -0700 


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https://issues.apache.org/jira/browse/KYLIN-4966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17324661#comment-17324661
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ASF GitHub Bot commented on KYLIN-4966:
---------------------------------------

zhangayqian edited a comment on pull request #1636:
URL: https://github.com/apache/kylin/pull/1636#issuecomment-822135049


   ## Test Evidence
   
   - Set `kylin.engine.segment-statistics-enabled=true`
   
   - Build two segment
   
   
![image](https://user-images.githubusercontent.com/31064237/115175417-81d01580-a0fd-11eb-9777-a7d675f5300c.png)
   
   - Call the API to modify cuboid list and submit optimizing job
   
   
![image](https://user-images.githubusercontent.com/31064237/115175563-c956a180-a0fd-11eb-8674-78ea6acf201c.png)
   
   
![image](https://user-images.githubusercontent.com/31064237/115175618-e25f5280-a0fd-11eb-9726-f09bf81738d6.png)
   
   - Optimize Job
   
   
![image](https://user-images.githubusercontent.com/31064237/115175712-163a7800-a0fe-11eb-95a0-a0e07392c315.png)
   
   
![image](https://user-images.githubusercontent.com/31064237/115175866-6b768980-a0fe-11eb-9e5e-03a2770be325.png)
   
   
![image](https://user-images.githubusercontent.com/31064237/115175903-847f3a80-a0fe-11eb-90a6-fb4c14b38928.png)
   
   
   - Checkpoint Job
   
   
![image](https://user-images.githubusercontent.com/31064237/115175769-39652780-a0fe-11eb-99f7-d45536b4454e.png)
   
   - After all jobs completeļ¼Œcube segment meta have been updated
   
   
![image](https://user-images.githubusercontent.com/31064237/115175997-b85a6000-a0fe-11eb-8caf-3a1158528362.png)
   
   - Cuboid file in hdfs
   
   
![image](https://user-images.githubusercontent.com/31064237/115176130-11c28f00-a0ff-11eb-9413-cff512fcbb15.png)
   
   - Query
   
   
![image](https://user-images.githubusercontent.com/31064237/115176227-446c8780-a0ff-11eb-8609-7da7efc5110a.png)
   


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> Refresh the existing segment according to the new cuboid list in kylin4
> -----------------------------------------------------------------------
>
>                 Key: KYLIN-4966
>                 URL: https://issues.apache.org/jira/browse/KYLIN-4966
>             Project: Kylin
>          Issue Type: New Feature
>          Components: Job Engine
>    Affects Versions: v4.0.0-beta
>            Reporter: Yaqian Zhang
>            Assignee: Yaqian Zhang
>            Priority: Minor
>             Fix For: v4.0.0-GA
>
>
> When the user wants to update the cuboid list of a cube, the existing segment 
> needs to be refreshed.



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