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[Ray] Enable RayExecutorV2 by default #41421

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Merged
NickLucche merged 6 commits into from
May 5, 2026
Merged

[Ray] Enable RayExecutorV2 by default #41421

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fdcbcc6
Use RayExecutorV2 for EP tests
jeffreywang88 Apr 30, 2026
6f2a686
Flip RayExecutorV2 on by default
jeffreywang88 Apr 30, 2026
656fe2f
Merge branch 'main' into ray-executor-eep
mergify[bot] May 4, 2026
e4c238e
Merge branch 'main' into ray-executor-eep
jeffreywang88 May 4, 2026
3044353
Merge branch 'main' into ray-executor-eep
jeffreywang88 May 4, 2026
8f49475
Merge branch 'main' into ray-executor-eep
jeffreywang88 May 5, 2026
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3 changes: 1 addition & 2 deletions vllm/envs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -782,9 +782,8 @@ def _get_or_set_default() -> str:
),
# When True and distributed_executor_backend="ray", use RayExecutorV2
# (MQ-based) instead of RayDistributedExecutor (compiled-graph backend).
# TODO (jeffreywang): Enabled by default in vLLM 0.20.0.
"VLLM_USE_RAY_V2_EXECUTOR_BACKEND": lambda: bool(
int(os.getenv("VLLM_USE_RAY_V2_EXECUTOR_BACKEND", "0"))
int(os.getenv("VLLM_USE_RAY_V2_EXECUTOR_BACKEND", "1"))
),
# Use dedicated multiprocess context for workers.
# Both spawn and fork work
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