[GitHub] [hudi] danny0405 commented on pull request #9006: [HUDI-6404] Implement ParquetToolsExecutionStrategy for clustering

["danny0405 (via GitHub)" <gi...@apache.org>]

danny0405 commented on PR #9006:
URL: https://github.com/apache/hudi/pull/9006#issuecomment-1611075324

   > If there is a use case of pruning some columns to save storage memory, current approach of clustering will iterate over every record and remove the unused column, this is so much time consuming.
   
   Thanks @suryaprasanna , can you clarify what's the relationship between column pruning and clustering, for regular notion of Hudi clustering, it only merges small file groups into larger ones with optional soring on columns, there is no pruning happens here, how the user expects to improve the efficiency with this patch overall?


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