Waitopedia is a comprehensive resource of information about SQL Server waits.
The description shown below is the top answer as voted by the Spotlight community.
The charts are based on 2.1 TB of data collected from 4207 instances uploaded by 323 Spotlight users over an 8 week period.
QRY_PARALLEL_THREAD_MUTEX
What is QRY_PARALLEL_THREAD_MUTEX?
This wait never occurs for most instances
For each of 4207 instances, we ranked QRY_PARALLEL_THREAD_MUTEX on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of QRY_PARALLEL_THREAD_MUTEX across the Spotlight Population
For 85 % of hours with this wait, average wait time is less than 0.053 ms
For each instance, we found all the recent hours when it had a QRY_PARALLEL_THREAD_MUTEX wait. We found the average latency for each of those hours.
14 instances contributed data to this chart