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.

AM_SCHEMAMGR_UNSHARED_CACHE

Category: Other
SQL Server versions: 2012, 2014, 2016, 2017

What is AM_SCHEMAMGR_UNSHARED_CACHE?

Very rare

This wait never occurs for most instances

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

Prevalence of AM_SCHEMAMGR_UNSHARED_CACHE across the Spotlight Population

For 100 % 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 AM_SCHEMAMGR_UNSHARED_CACHE wait. We found the average latency for each of those hours.

7 instances contributed data to this chart

Latency Distribution of AM_SCHEMAMGR_UNSHARED_CACHE across the Spotlight Population