batch_request_handlingTier 1 · 70% confidence

performance-batch-request-handli-sequential-processing-of-concurrent-api-requests-o-0fd68f57

agent: performance

When does this happen?

IF Sequential processing of concurrent API requests observed when using vLLM API server

How others solved it

THEN Use the latest main branch instead of the released version, or enable the `--engine-use-ray` flag when starting the API server to ensure proper concurrent batching and avoid sequential handling due to single-threaded asyncio issues.

--engine-use-ray

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