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Ship it!




Ship It!

- Sarath Subramanian


On May 14, 2021, 9:48 a.m., Ashutosh Mestry wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/73356/
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> 
> (Updated May 14, 2021, 9:48 a.m.)
> 
> 
> Review request for atlas, Jayendra Parab, Nikhil Bonte, and Sarath 
> Subramanian.
> 
> 
> Bugs: ATLAS-4285
>     https://issues.apache.org/jira/browse/ATLAS-4285
> 
> 
> Repository: atlas
> 
> 
> Description
> -------
> 
> **Steps to Duplicate**
> _Setup_:
> - Create a linear lineage using chained CTAS queries via Hive or REST APIs 
> E.g. 
> ```
> create view abcd_vw_1 as select * from abc;
> create view abcd_vw_2 as select * from abcd_vw_1;
> create view abcd_vw_3 as select * from abcd_vw_2;
> 
> .
> .
> .
> 
> ```
> This should result in a long lineage.
> - Create 3 classifications, say C1, C2, C3.
> - Assign C1 to abcd_vw_1, C2 to abcd_vw_2 and C3 to abcd_vw_3.
> 
> Expected result: abcd_vw_n should have all the 3 classifications propagated.
> 
> **Aproach**
> Modify _propagateClassification_ to lock all the impacted vertices. Requests 
> attempting to modify the same entity will thus be blocked.
> 
> **Additional Information**
> - Discovered object creation sequence change for _TaskMangement_ and 
> _TaskFactoryRegistry_. This causes pending tasks not to be scheduled.
> - Removed _ClassificationPropagationTasks.Update_ since it is not used.
> 
> 
> Diffs
> -----
> 
>   
> repository/src/main/java/org/apache/atlas/repository/store/graph/v2/EntityGraphMapper.java
>  7984a34a4 
>   
> repository/src/main/java/org/apache/atlas/repository/store/graph/v2/tasks/ClassificationPropagateTaskFactory.java
>  8a81dc952 
>   
> repository/src/main/java/org/apache/atlas/repository/store/graph/v2/tasks/ClassificationPropagationTasks.java
>  f86cbc722 
>   repository/src/main/java/org/apache/atlas/tasks/TaskFactoryRegistry.java 
> 38f2cc9cd 
>   repository/src/main/java/org/apache/atlas/tasks/TaskManagement.java 
> 2756504da 
>   
> repository/src/test/java/org/apache/atlas/repository/tagpropagation/ClassificationPropagationWithTasksTest.java
>  84aefc9ef 
> 
> 
> Diff: https://reviews.apache.org/r/73356/diff/1/
> 
> 
> Testing
> -------
> 
> **Manual tests**
> Used the scenario described above. See the attached file used to generate 
> lineage.
> 
> 
> Thanks,
> 
> Ashutosh Mestry
> 
>

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