vllm - 💡(How to fix) Fix [Performance]: [Bug]: meet same thread as registerClien when start_profile [1 participants]

ERROR: External init callback must run in same thread as registerClient (327136832 != -2017364160) ERROR: External init callback must run in same thread as registerClient (327136832 != -2017364160)

TL;DR

The error message "External init callback must run in same thread as registerClient" suggests a threading issue that may be resolved by ensuring that the profiler is started and stopped from the same thread.

Guidance

• Verify that the start_profile and stop_profile endpoints are being called from the same thread, as the error message indicates a threading issue.
• Check the implementation of api_router.py to ensure that the profiler is being started and stopped in a thread-safe manner.
• Consider using a thread-safe approach to starting and stopping the profiler, such as using a lock or a thread-safe queue to coordinate access to the profiler.
• Review the documentation for the profiling library being used to ensure that it is being used correctly in a multi-threaded environment.

Notes

The provided information does not include the implementation details of api_router.py or the profiling library being used, so a more specific solution cannot be provided.

Recommendation

Apply a workaround to ensure that the profiler is started and stopped from the same thread, such as using a thread-safe queue to coordinate access to the profiler.