[Bugfix] Strengthen the check of X-data-parallel-rank in Hybrid LB mode (#32314)

Signed-off-by: Tianchen Ding <dtcccc@linux.alibaba.com>
2026-01-15 16:31:16 +08:00
parent 4c1c501a7e
commit 1e584823f8
7 changed files with 20 additions and 22 deletions
--- a/vllm/v1/engine/utils.py
+++ b/vllm/v1/engine/utils.py
@@ -787,10 +787,7 @@ def launch_core_engines(
    local_start_index = parallel_config.data_parallel_rank_local
    dp_rank = parallel_config.data_parallel_rank
    host = parallel_config.data_parallel_master_ip
-    local_engines_only = (
-        parallel_config.data_parallel_hybrid_lb
-        or parallel_config.data_parallel_external_lb
-    )
+    local_engines_only = parallel_config.local_engines_only

    # In offline mode there is an LLM instance per DP rank and
    # one core engine per LLM, see