The client who has SQL Server 2017 faced a very high wait type of QDS_LOADDB. The way to fix it is to enable the Asynchronous Load of Query Store.
SQL SERVER – Resolving Last Page Insert PAGELATCH_EX Contention Changing Primary Key to Non-Clustered
You can change your clustered primary key to Non-clustered Primary Key and can get the benefit of performance by reducing Pagelatch_EX.
I have personally implemented the solution suggested of resolving contention about creating an index with OPTIMIZE_FOR_SEQUENTIAL_KEY at my client’s place.
Today’s goal is to understand what is the Last Page Insert PAGELATCH_EX Contention Due to Primary Key. Let us start understanding it together.
Today we will talk about the Tecovery Model on Insert Workload Stress Test and Wait Statistics. I had earlier consulted for during Health Check.
It seems my blog post about oStress has got lots of popularity. Recently I got the question about Wait Statistics Generated by oStress Insert Workload.
During Comprehensive Database Performance Health Check I recently faced a brand new wait type WAIT_ON_SYNC_STATISTICS_REFRESH.