I love blog post which just solves a simple point and immediately gets us the necessary answer. Recently during one of the consulting engagement Comprehensive Database Performance Health Check at one of my customer place we identified a wait statistics which was related to SQL Server Always On Availability Group. The wait statistics issue was VDI_CLIENT_OTHER and the way to solve is blogged here SQL SERVER – Many BACKGROUND Threads with Command VDI_CLIENT_WORKER. We needed to remove automatic seeding to reduce the said wait statistics.
SQL SERVER – Getting Started with Accelerated Database Recovery – Instant Rollback
There are many reasons to envy my job as SQL Server Performance Tuning Expert Consultant but the most important reason is that I get to work on quite often the latest version of SQL Server. Just the other day I had an early adopter customer who was using SQL Server 2019 for their environment and they wanted me to help them with the new feature of Accelerated Database Recovery.
SQL SERVER – Get Last Known Actual Execution Plan for a Previously Cached Query Plan
This feature works with SQL Server 2019 and onwards. If you are using an earlier version of SQL Server this feature will not work and will give you an error. One of the most common questions I receive during Comprehensive Database Performance Health Check is how to get the last known actual execution plan for a previously cached query plan.
SQL SERVER – Script to Get Compiled Plan with Parameters From Cache
Lots of people often ask me as I share pretty everything on the blog – Do I have any Business Secrets. Actually, the answer is no, I never keep any secrets. I always share everything I know and I want my customers and readers learn along with me. Today I will share another script which I have written which I frequently use with my consulting engagement Comprehensive Database Performance Health Check.
SQL SERVER – Script to Kill All Inactive Sessions – Kill Sleeping Sessions from sp_who2
I consider myself fortunate that I get to work with so many different clients while engaged in Comprehensive Database Performance Health Check. Recently we found out that one of the third party application for the client is not closing the connections which they open after completing the transactions. This was negatively affecting their performance. We immediately opened the ticket with the third party application and while they provide the solution after patching the application we decided to kill all the inactive sessions.
Dirty Pages – How to List Dirty Pages From Memory in SQL Server? – Interview Question of the Week #223
Question: How to List Dirty Pages From Memory in SQL Server? Answer: I received question today during my SQL Server Performance Tuning Practical Workshop.
SQL SERVER – Global Variable @@DEF_SORTORDER_ID – Old and May be Deprecated
I always blog about things which are new and updated but today we are going to write about something which is very old and it is near deprecated. We are going to about the global variable @@DEF_SORTORDER_ID. Let us see what it is and how it was used once.