When a work is completed, a counter is decremented on WHSWaveTable. This update happened using exclusive locks which could negatively impact performance. Further there was a risk the counter fields would go out of sync with the actual work completed.
Porting from rainmain changelist 6566085, bug 3790204
Article ID: 4020323 - Last Review: 2017, ഏപ്രി 19 - Revision: 1