[jira] [Created] (HUDI-8740) Improve primary to secondary key lookup for secondary index

[Y Ethan Guo (Jira)]

Y Ethan Guo created HUDI-8740:
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             Summary: Improve primary to secondary key lookup for secondary 
index
                 Key: HUDI-8740
                 URL: https://issues.apache.org/jira/browse/HUDI-8740
             Project: Apache Hudi
          Issue Type: Sub-task
            Reporter: Y Ethan Guo
             Fix For: 1.0.1


primary key ➝ secondary key mapping for SI is still stored on driver. We should 
see if this can be distributed to RDD, or use spillable maps.



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