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.
CHECK_TABLES_INITIALIZATION
What is CHECK_TABLES_INITIALIZATION?
This wait never occurs for most instances
For each of 4207 instances, we ranked CHECK_TABLES_INITIALIZATION on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of CHECK_TABLES_INITIALIZATION across the Spotlight Population
For 55 % of hours with this wait, average wait time is less than 180 ms
For each instance, we found all the recent hours when it had a CHECK_TABLES_INITIALIZATION wait. We found the average latency for each of those hours.
132 instances contributed data to this chart