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Gather-pq-parts takes a while #10598

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mrocklin opened this issue Oct 26, 2023 · 2 comments
Open

Gather-pq-parts takes a while #10598

mrocklin opened this issue Oct 26, 2023 · 2 comments
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needs attention It's been a while since this was pushed on. Needs attention from the owner or a maintainer. needs triage Needs a response from a contributor

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@mrocklin
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I'm reading a large parquet dataset with 128 MiB files and finding that gather-pq-parts takes a while when first creating the dataset. I'm wondering under what conditions this is triggered. I tried looking through the code, but it was fairly complex.

@rjzamora any help?
@github-actions github-actions bot added the needs triage Needs a response from a contributor label Oct 26, 2023
@phofl
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phofl commented Oct 26, 2023

dask/dask-expr#363

I think that's the reason

@mrocklin
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Regardless, we should probably find a better name for gather-pq-parts. These keynames are user-facing.

@github-actions github-actions bot added the needs attention It's been a while since this was pushed on. Needs attention from the owner or a maintainer. label Nov 27, 2023
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