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Improve arrow_to_dataframe for large amounts of columns #73

Merged
merged 3 commits into from Feb 7, 2024
Merged

Improve arrow_to_dataframe for large amounts of columns #73

merged 3 commits into from Feb 7, 2024

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jleifnf
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@jleifnf jleifnf commented Jan 23, 2024 •
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In this PR, improvements for:

  • memory usage of converting from arrow Table to pandas [sc-25947]
  • for-loops in renaming columns with name_callable (tested for 10k streams, improved from ~26sec to ~16sec 1.6x faster)

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This pull request has been linked to Shortcut Story #25947: Fix increase in memory when rerunning the same multistreams query.

@justinGilmer justinGilmer merged commit bdd7b68 into staging Feb 7, 2024
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@justinGilmer justinGilmer deleted the fix_oom_in_arrow_to_dataframe branch February 7, 2024 22:39
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@justinGilmer justinGilmer justinGilmer approved these changes

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