With current market trends of cloud shifting, many of my clients have moved their SQL Servers from on-premise virtual machines to Microsoft Azure Virtual Machines. In this blog, I would explain a situation where my client was not able to find relevant size when he wanted to upsize the VM to a higher tier.
SQL SERVER – Scripts to Overview HADR / AlwaysOn Local Replica Server
Today, I have received a very interesting script from SQL Server Expert Dominic Wirth. He has written a very helpful script which displays a utilization overview of the local availability group replica server. The overview will contain the number of databases as well as the total size of databases (DATA, LOG, FILESTREAM) and is group by following two categories
SQL SERVER – Parallel Redo on AlwaysOn Secondary – DIRTY_PAGE_TABLE_LOCK
As most of you might know that my expert area in SQL Server in performance tuning. But, I also deal with almost every issue related to SQL Server engine. Many times, it so happens then clients call me for performance tuning and while fixing, we see some other problem. In this blog, we would learn about Parallel Redo on AlwaysOn Secondary causing new waits which were introduced in SQL Server 2016.