This PR fixes some concurrency load issues by fixing bug #474 (truly singleton builds backend, and implementing exponential back-off) and implementing enhancement #435 for the hooks resource (concurrency throttling on warning generation and other commit processing).
Coverage decreased (-2.2%) to 55.037% when pulling 46392d59c16a5b5a2b9839b203769d1b973b92de on JWGmeligMeyling:event-bus into 752fe93157fd15f3b4dd7724dc76f92b7160d8e1 on devhub-tud:master.
Coverage decreased (-2.6%) to 54.688% when pulling fb762d95baae729d31900bf977993c34959f9292 on JWGmeligMeyling:event-bus into 752fe93157fd15f3b4dd7724dc76f92b7160d8e1 on devhub-tud:master.
This PR fixes some concurrency load issues by fixing bug #474 (truly singleton builds backend, and implementing exponential back-off) and implementing enhancement #435 for the hooks resource (concurrency throttling on warning generation and other commit processing).