Slow performance is observed with REST DSL component of Red Hat Fuse MicroService.

Solution Verified - Updated -


  • When a rest-dsl microservice is being load tested with 500 or more concurrent request, slowness is observed and for some requests total response time is increased to 100 seconds.
  • Underlying web-container is undertow. Issue doesn't occur with 40 to 50 concurrent requests.
  • It is observed that request are processed sequentially not concurrently by the MicroService deployed on OpenShift.


  • Red Hat Fuse on OpenShift
    • 7.2

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