1. Waitopedia
  2. THREADPOOL

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.

THREADPOOL

Category: Other
SQL Server versions: 2005, 2008, 2008 R2, 2012, 2014, 2016, 2017

What is THREADPOOL?

1 Answer

 

Occurs when a task is waiting for a worker to run on. This can indicate that the maximum worker setting is too low, or that batch executions are taking unusually long, thus reducing the number of workers available to satisfy other batches. Information from Microsoft®
Somewhat common

This wait is somewhat common for most instances

For each of 4207 instances, we ranked THREADPOOL on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.

Prevalence of THREADPOOL across the Spotlight Population

For 63 % of hours with this wait, average wait time is less than 0.79 ms

For each instance, we found all the recent hours when it had a THREADPOOL wait. We found the average latency for each of those hours.

3381 instances contributed data to this chart

Latency Distribution of THREADPOOL across the Spotlight Population