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Posted to commits@hudi.apache.org by "yihua (via GitHub)" <gi...@apache.org> on 2023/07/09 07:14:43 UTC

[GitHub] [hudi] yihua commented on issue #9026: [SUPPORT] Duplicated partitions rows in MDT when reading w/ datasource

yihua commented on issue #9026:
URL: https://github.com/apache/hudi/issues/9026#issuecomment-1627630057

   Based on my investigation, it looks like that the HFile does not contain duplicate entries.  If the metadata table is queried through Spark datasource directly after MDT compaction (i.e., no additional log file in the latest file slice), there is no duplicate.  The duplicate seems to be related to Spark datasource read on MDT only, not affecting the MDT read through `HoodieBackedTableMetadata` APIs.
   
   The performance is a separate issue we need to look into.


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