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 the last 8 weeks.

FS_HEADER_RWLOCK

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

What is FS_HEADER_RWLOCK?

1 Answer

 

Occurs when there is a wait to acquire access to the FILESTREAM header of a FILESTREAM data container to either read or update contents in the FILESTREAM header file (Filestream.hdr). Information from Microsoft®

Very rare

This wait never occurs for most instances

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

Prevalence of FS_HEADER_RWLOCK 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 FS_HEADER_RWLOCK wait. We found the average latency for each of those hours.

1 instance contributed data to this chart

Latency Distribution of FS_HEADER_RWLOCK across the Spotlight Population