This wait type is not documented by Microsoft so not much is known about it. It is related to DISPATCHER_QUEUE_SEMAPHORE which accumulates while threads are waiting for work to perform. This wait is uncommon and on the list of wait types that can be ignored

Resolved by

DBAs and Developers

Suggested solutions

  1. Safe to ignore
  2. Examine other wait types on the instance

Additional research

Triage Wait Stats in SQL Server

See more

Consider using ApexSQL Monitor, a Windows and SQL Server monitoring tool able to track SQL Server wait types, including the individual query wait statistics

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