Waiting for responses to conversational messages (which require an explicit response from the other side, using the AlwaysOn conversational message infrastructure). A number of different message types use this wait type. 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.
HADR_DB_COMMAND
Category: Other
SQL Server versions: 2012, 2014, 2016, 2017
What is HADR_DB_COMMAND?
1 Answer
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answered 3318 days ago
Spotlight Essentials
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This wait never occurs for most instances
For each of 4207 instances, we ranked HADR_DB_COMMAND on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of HADR_DB_COMMAND across the Spotlight Population
For 78 % of hours with this wait, average wait time is less than 210 ms
For each instance, we found all the recent hours when it had a HADR_DB_COMMAND wait. We found the average latency for each of those hours.
133 instances contributed data to this chart