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Fix flaky cudf-polars Quent integration test #23482

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Merged
vyasr merged 1 commit into from
Jul 31, 2026
Merged

Fix flaky cudf-polars Quent integration test #23482

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12 changes: 10 additions & 2 deletions python/cudf_polars/tests/quent/test_quent_integration.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@

from __future__ import annotations

from typing import TYPE_CHECKING
from typing import TYPE_CHECKING, Any

import pytest

Expand All @@ -26,6 +26,8 @@
def engine_with_quent_context(
request: pytest.FixtureRequest,
quent_context: QuentContext,
ray_num_ranks: int,
ray_init_options: dict[str, Any],
) -> Iterator[StreamingEngine]:
"""
A streaming engine configured with a quent context from the 'quent_context'
Expand All @@ -43,8 +45,14 @@ def engine_with_quent_context(
pytest.importorskip("ray")
import cudf_polars.engine.ray

# Always specify num_ranks: the default path sizes the engine from the
# GPUs Ray reports, which fails if this test shares an xdist worker
# with a test that already brought up the shared num_gpus=0 cluster.
engine = cudf_polars.engine.ray.RayEngine(
executor_options={"quent_context": quent_context}
executor_options={"quent_context": quent_context},
engine_options={"allow_gpu_sharing": True},
ray_init_options=ray_init_options,
num_ranks=ray_num_ranks,
)
elif backend == "dask":
pytest.importorskip("distributed")
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