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 R2, 2012, 2014, 2016, 2017


Very rare

This wait never occurs for most instances

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

Prevalence of SQLTRACE_FILE_READ_IO_COMPLETION across the Spotlight Population

For 25 % of hours with this wait, average wait time is around 0.95 ms

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

372 instances contributed data to this chart

Latency Distribution of SQLTRACE_FILE_READ_IO_COMPLETION across the Spotlight Population