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Subject [GitHub] [incubator-hudi] umehrot2 opened a new pull request #1394: [HUDI-656][Performance] Return a dummy Spark relation after writing the DataFrame
Date Tue, 10 Mar 2020 23:18:01 GMT
umehrot2 opened a new pull request #1394: [HUDI-656][Performance] Return a dummy Spark relation
after writing the DataFrame
URL: https://github.com/apache/incubator-hudi/pull/1394
 
 
   ## What is the purpose of the pull request
   
   This PR fixes the performance issue mentioned in https://issues.apache.org/jira/browse/HUDI-656
by returning a dummy Spark relation after the write, instead of creating a Parquet data source
relation.
   
   ## Brief change log
   
   - Update `DefaultSource.scala` to return a dummy relation after writing the data frame
   - Added a dummy relation `HudiEmptyRelation`
   
   ## Verify this pull request
   
   - Manual verification on EMR cluster
   
   ## Committer checklist
   
    - [ ] Has a corresponding JIRA in PR title & commit
    
    - [ ] Commit message is descriptive of the change
    
    - [ ] CI is green
   
    - [ ] Necessary doc changes done or have another open PR
          
    - [ ] For large changes, please consider breaking it into sub-tasks under an umbrella
JIRA.

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