Occurs while a background task waits for high priority system task requests. Long wait times indicate that there have been no high priority requests to process, and should not cause concern. Information from Microsoft®
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.
ONDEMAND_TASK_QUEUE
Category: Idle
SQL Server versions: 2008, 2008 R2, 2012, 2014, 2016, 2017
This is an idle wait and so it can be safely ignored.
What is ONDEMAND_TASK_QUEUE?
1 Answer
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answered 3108 days ago
Spotlight Essentials
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This wait never occurs for most instances
For each of 4207 instances, we ranked ONDEMAND_TASK_QUEUE on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of ONDEMAND_TASK_QUEUE across the Spotlight Population
For 68 % of hours with this wait, average wait time is less than 3.2 minutes
For each instance, we found all the recent hours when it had a ONDEMAND_TASK_QUEUE wait. We found the average latency for each of those hours.
178 instances contributed data to this chart