An AlwaysOn create or failover availability group operation is waiting for the target availability group to come online. 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.
PWAIT_HADR_ONLINE_COMPLETED
Category: Other
SQL Server versions: 2012, 2014, 2016, 2017
What is PWAIT_HADR_ONLINE_COMPLETED?
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 PWAIT_HADR_ONLINE_COMPLETED on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of PWAIT_HADR_ONLINE_COMPLETED across the Spotlight Population
For 33 % of hours with this wait, average wait time is less than 410 ms
For each instance, we found all the recent hours when it had a PWAIT_HADR_ONLINE_COMPLETED wait. We found the average latency for each of those hours.
3 instances contributed data to this chart