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[Core][aDAG] Set buffer size to 1 for regression #47639

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merged 5 commits into from
Sep 16, 2024
Merged

[Core][aDAG] Set buffer size to 1 for regression #47639

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f7cddd0
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Sep 12, 2024
818221c
Merge branch 'master' into try-reducing-buffer-size
rkooo567 Sep 14, 2024
4e160e6
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rkooo567 Sep 14, 2024
223337a
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rkooo567 Sep 14, 2024
ad10b40
fix mistakes
rkooo567 Sep 16, 2024
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2 changes: 1 addition & 1 deletion python/ray/dag/compiled_dag_node.py
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Expand Up @@ -661,7 +661,7 @@ def __init__(
# We conservatively set num_shm_buffers to _max_inflight_executions.
# It means that the DAG can be underutilized, but it guarantees there's
# no false positive timeouts.
num_shm_buffers=self._max_inflight_executions,
num_shm_buffers=1,
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Can you update the comment above and add a TODO?

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I will fix this this week, so it may be okay?

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Yes, feel free to merge first if urgent.

)
if not isinstance(self._buffer_size_bytes, int) or self._buffer_size_bytes <= 0:
raise ValueError(
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1 change: 1 addition & 0 deletions python/ray/dag/tests/experimental/test_accelerated_dag.py
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Expand Up @@ -1970,6 +1970,7 @@ def test_driver_and_actor_as_readers(ray_start_cluster):
dag.experimental_compile()


@pytest.skip("Currently buffer size is set to 1 because of regression.")
@pytest.mark.parametrize("temporary_change_timeout", [1], indirect=True)
def test_buffered_inputs(shutdown_only, temporary_change_timeout):
ray.init()
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