verifiedhigh · 0.85updated 2026-10-03

vLLM PR 44813: Replace sequential port scan with atomic port=0 in get_open_ports_list

repo

Fields

sources/mgpu-vllm-44813-port-fix

URL

https://github.com/vllm-project/vllm/pull/44813

Publisher

vllm-project/vllm

Kind

repo

Published

2026-06-07

Accessed

2026-10-03

notes

Establishes the root cause: get_open_ports_list() scanned sequentially from VLLM_PORT so concurrent processes all picked the same ports. Measured 19 collisions out of 25 before, 0 after.

Notes

Establishes the root cause: get_open_ports_list() scanned sequentially from VLLM_PORT so concurrent processes all picked the same ports. Measured 19 collisions out of 25 before, 0 after.

Cross-references

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