WebDec 9, 2024 · If you run Always On Availability Groups, and you use a readable secondary, you need to be mindful of the issues with PARALLEL_REDO_FLOW_CONTROL. These waits resulted in enough blocking to take us offline. Yes, I’m aware that there is a trace flag 3459 that we can turn on, but we don’t … WebMay 31, 2024 · Two node Always On availability group, one synchronous replica. My synchronous replica falls out of sync very regularly. I see a pattern in which, when a log …
Troubleshooting log send queueing in an Always On availability group
WebSep 11, 2024 · Explore the AG dashboard for SQL Server Always On Availability Groups Connect to the primary replica, right-click on the availability group folder and click on the Show Dashboard. Here, it … WebFeb 20, 2024 · Flow control is the act of controlling the order in which actions and subflows run. Power Automate enables you to implement flow control through the flow control … cycloplegics and mydriatics
SQL DBA AlwaysOn scenario based interview …
WebDec 7, 2024 · Availability databases hosted on SQL Server Always On Availability Groups (AG) can be connected using a unique Virtual Network Name (VNN), called the Availability Group Listener. WebDec 7, 2024 · Technically, there are Always On Availability Groups (AGs) and Always On Failover Cluster Instances (FCIs). And an FCI will work fine with large numbers of databases. You need shared storage with a Shared disk, SMB3 Share, or a Storage Spaces Direct replicated disk. and. WebFeb 25, 2024 · Run the following command on your the database in question: USE YourDatabaseName; GO DBCC LOGINFO; Note: if you're on SQL Server 2016 SP2 or newer, you can use this dynamic management function instead of the DBCC command: sys.dm_db_log_info The number of rows that comes back is the number of VLFs you have. cyclopithecus