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.
RESERVED_MEMORY_ALLOCATION_EXT
What is RESERVED_MEMORY_ALLOCATION_EXT?
This wait never occurs for most instances
For each of 4207 instances, we ranked RESERVED_MEMORY_ALLOCATION_EXT on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of RESERVED_MEMORY_ALLOCATION_EXT across the Spotlight Population
For 33 % of hours with this wait, average wait time is less than 0.00042 ms
For each instance, we found all the recent hours when it had a RESERVED_MEMORY_ALLOCATION_EXT wait. We found the average latency for each of those hours.
928 instances contributed data to this chart