Infrastructure at your Service
The SQL Server environment I worked with today has dozens of SQL Server instances using AlwaysOn Availability Groups for High Availability. When a login is created on the Primary replica of an Availability Group it is not synchronized automatically on secondary replicas. This might cause some issues after a failover (Failed logins). Since this is not done automatically by SQL Server out of the box the DBA has to perform this task. To avoid doing…
I just had to restore a database in production for my customer. Before doing the restore I have the habit to query the msdb.dbo.backupset table to get an overview of the last backups. When running my query, I felt it was taking longer than usual. So out of curiosity, I looked at the SSMS standard report “Disk Usage by Top Tables”. Here is the output. This instance contains dozens of databases in Always On Availability…
Earlier this week someone tried to show me how to capture page split events using Extended Events (XE) but unfortunately, the demo failed. This is a good opportunity for me to refresh my knowledge about page split and set up a simple demo about this. Hopefully, this one will be working. It’s not necessarily a bad thing when a page split occurs. It’s a totally fine behavior when we INSERT a row in a table…
