[GitHub] [incubator-hudi] vinothchandar commented on issue #1052: [HUDI-326] Add new index to suppport global update/delete

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vinothchandar commented on issue #1052: [HUDI-326] Add new index to suppport global update/delete
URL: https://github.com/apache/incubator-hudi/pull/1052#issuecomment-559208611
 
 
   > I have seen the JIRA that wants to set the HoodieIndex as part of the table properties. This conflicts with the usecase here. Can you help me understand the motivation of locking down the index type?
   
   The thinking was that if someone writes few commits using `HoodieBloomIndex` and then later switches to `HoodieGlobalBloomIndex` for e.g , then it won't guarantee globally unique keys as he/she might expect, since the first set of commits may have duplicates across partitions. If you take HBaseIndex,  that's another clear example, user cannot just switch from HoodieBloomIndex to HBase without rebuilding the index first?
   
   

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