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.
PARALLEL_REDO_DRAIN_WORKER
What is PARALLEL_REDO_DRAIN_WORKER?
This wait never occurs for most instances
For each of 4207 instances, we ranked PARALLEL_REDO_DRAIN_WORKER on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of PARALLEL_REDO_DRAIN_WORKER across the Spotlight Population
For 52 % of hours with this wait, average wait time is less than 0.27 ms
For each instance, we found all the recent hours when it had a PARALLEL_REDO_DRAIN_WORKER wait. We found the average latency for each of those hours.
170 instances contributed data to this chart