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.
SP_SERVER_DIAGNOSTICS_BUFFER_ACCESS
What is SP_SERVER_DIAGNOSTICS_BUFFER_ACCESS?
This wait never occurs for most instances
For each of 4207 instances, we ranked SP_SERVER_DIAGNOSTICS_BUFFER_ACCESS on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of SP_SERVER_DIAGNOSTICS_BUFFER_ACCESS across the Spotlight Population
For 92 % of hours with this wait, average wait time is less than 6.9 ms
For each instance, we found all the recent hours when it had a SP_SERVER_DIAGNOSTICS_BUFFER_ACCESS wait. We found the average latency for each of those hours.
57 instances contributed data to this chart