feat(parquet/pqarrow): parallelize SeekToRow#380
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zeroshade merged 2 commits intoapache:mainfrom May 22, 2025
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lidavidm
approved these changes
May 19, 2025
Looks good to me. I tested with a 400+ column parquet file from ADLV2, seek used took 4mins+ and now it decreased to 15s. |
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Rationale for this change
Closes #379
What changes are included in this PR?
Update the
SeekToRowmethod of the record reader to parallelize the calls toSeekToRowfor the columns if the Parallel option is set to true.Are these changes tested?
Yes, the RecordReader SeekToRow is already tested via unit tests with multiple columns.
Are there any user-facing changes?
There should only be the performance benefit