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.


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


1 Answer


Occurs when transaction log scans wait for memory to be available during memory pressure. Information from Microsoft®

Very rare

This wait never occurs for most instances

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

Prevalence of UTIL_PAGE_ALLOC across the Spotlight Population

For 100 % of hours with this wait, average wait time is above 6 seconds

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

1 instance contributed data to this chart

Latency Distribution of UTIL_PAGE_ALLOC across the Spotlight Population