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.

FCB_REPLICA_WRITE

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

What is FCB_REPLICA_WRITE?

1 Answer

 

Occurs when the pushing or pulling of a page to a snapshot (or a temporary snapshot created by DBCC) sparse file is synchronized. Information from Microsoft®

Very rare

This wait never occurs for most instances

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

Prevalence of FCB_REPLICA_WRITE across the Spotlight Population

For 85 % of hours with this wait, average wait time is less than 2.5 ms

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

308 instances contributed data to this chart

Latency Distribution of FCB_REPLICA_WRITE across the Spotlight Population