1. Waitopedia
  2. CMEMTHREAD

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.

CMEMTHREAD

Category: Memory
SQL Server versions: 2000, 2005, 2008, 2008 R2, 2012, 2014, 2016, 2017

What is CMEMTHREAD?

1 Answer

 

Occurs when a task is waiting on a thread-safe memory object. The wait time might increase when there is contention caused by multiple tasks trying to allocate memory from the same memory object. Information from Microsoft®
Somewhat common

This wait is somewhat common for most instances

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

Prevalence of CMEMTHREAD across the Spotlight Population

For 68 % of hours with this wait, average wait time is less than 0.053 ms

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

3883 instances contributed data to this chart

Latency Distribution of CMEMTHREAD across the Spotlight Population