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[HOTFIX] v25.02.01 #18112

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v25.02.01 cuDF hotfix release

Matt711 and others added 3 commits February 19, 2025 13:31
In #18015, we tried skipping the failing polars tests and applying the
workaround mentioned in polars issue 21274. But pip is [unable to solve
our test
environment](https://github.com/rapidsai/cudf/actions/runs/13406947992/job/37463788766)
in that case. This PR just skips the tests because we only need to do
one or the other, not both.
…18019)

Fixes  #18043

An incorrect computation in the subpass generation code would come to
the conclusion that there weren't enough rows to decode for list columns
under certain circumstances.

This PR fixes the issue and I did a little bit of variable naming
cleanup around the area. Ultimately the true source of the bug was
poorly named variables causing them to be used incorrectly.

Edit: I've disabled various checks in the chunked reader tests that
expect specific chunk counts being returned from chunking operations.
Changes to decompression temporary memory usage can make this
unreliable. We will need a smarter solution down the road.
This updates to use nvcomp 4.2.0.11.

The version is updated in rapids-cmake in
rapidsai/rapids-cmake#780.
@AyodeAwe AyodeAwe requested review from a team as code owners February 26, 2025 21:11
@github-actions github-actions bot added libcudf Affects libcudf (C++/CUDA) code. Python Affects Python cuDF API. cudf.polars Issues specific to cudf.polars labels Feb 26, 2025
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cudf.polars Issues specific to cudf.polars libcudf Affects libcudf (C++/CUDA) code. Python Affects Python cuDF API.
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