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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.
ROWGROUP_OP_STATS
What is ROWGROUP_OP_STATS?
This wait never occurs for most instances
For each of 4207 instances, we ranked ROWGROUP_OP_STATS on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of ROWGROUP_OP_STATS across the Spotlight Population
For 73 % of hours with this wait, average wait time is less than 0.66 ms
For each instance, we found all the recent hours when it had a ROWGROUP_OP_STATS wait. We found the average latency for each of those hours.
32 instances contributed data to this chart