Occurs when the reads of a snapshot (or a temporary snapshot created by DBCC) sparse file are synchronized. Information from Microsoft®
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_READ
Category: Other
SQL Server versions: 2005, 2008, 2008 R2, 2012, 2014, 2016, 2017
What is FCB_REPLICA_READ?
1 Answer
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answered 3348 days ago
Spotlight Essentials
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This wait never occurs for most instances
For each of 4207 instances, we ranked FCB_REPLICA_READ on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of FCB_REPLICA_READ across the Spotlight Population
For 57 % of hours with this wait, average wait time is less than 8.4 ms
For each instance, we found all the recent hours when it had a FCB_REPLICA_READ wait. We found the average latency for each of those hours.
456 instances contributed data to this chart