Summary
This update improves the Always On Availability Groups in Microsoft SQL Server on Linux by reducing the fail-over duration for an availability group.
More information
This improvement is included in the following update for SQL Server:
Cumulative Update 8 for SQL Server 2017
About SQL Server builds
Each new build for SQL Server contains all the hotfixes and security fixes that were in the previous build. We recommend that you install the latest build for your version of SQL Server:
References
Learn about the standard terminology Microsoft uses to describe software updates.