Re: [PR] [GLUTEN-5771][VL] Add metrics for ColumnarArrowEvalPythonExec [incubator-gluten]

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

FelixYBW commented on PR #5772:
URL: https://github.com/apache/incubator-gluten/pull/5772#issuecomment-2116238446

   @yma11 can you add a UI chart for the pyarrow UDF? Also add some implementation details?
   
   In theory we can convert Velox to Arrow in Velox pipeline, then pass the arrow pointer to Spark where it's send to python process. There is no C2R and R2C in the whole process and no memcpy between Velox and Spark. Can we achieve this?


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