I have helped many clients in deploying Always On Availability Group. Based on their requirement they keep using additional features provided by availability groups. This time they wanted to use always-on availability group read-only routing feature. Their goal was to offload read-only workload to the secondary replica. This was failing with error: Client unable to establish a connection because an error was encountered during handshakes before login.
How to Track Data Platform Service Level and Performance Before and After Consolidation?
When you are planning data platform consolidation, it is very important to track down the changes in the overall system performance after the actual migration is done. You should understand the differences in the configurations and performance of the instances and databases. Then you will also understand better how well the actual planning work went, and which are the possible challenges in the data platform.
Do Queries Always Respect Cost Threshold of Parallelism? – Interview Question of the Week #216
Question: Do Queries Always Respect Cost Threshold of Parallelism?
SQL SERVER – List Query Plan, Cache Size, Text and Execution Count
I love the curious questions from people who attended the class. Here is one such question during recent SQL Server Performance Tuning Practical Workshop. Let us see the question which I received about the Query Plan.


