Lot of /amb/chat/session/heartbeat causing semaphore exhaustion when too many users are using chatDescription Lot of /amb/chat/session/heartbeat leading to semaphore exhaustion, this is observed especially when using chat application. Steps to Reproduce Undetermined. Suggest looking into AMB column and investigating transactions there. Workaround Set the receive authorizer on the sys_amb_processor record to false and it will resolve the issue. Related Problem: PRB875187