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


1 Answer


Occurs when Extended Events session buffers are flushed to targets. This wait occurs on a background thread. Information from Microsoft®

Very rare

This wait never occurs for most instances

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

Prevalence of XE_BUFFERMGR_ALLPROCESSED_EVENT across the Spotlight Population

For 47 % of hours with this wait, average wait time is less than 0.32 ms

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

2418 instances contributed data to this chart

Latency Distribution of XE_BUFFERMGR_ALLPROCESSED_EVENT across the Spotlight Population