Question : I need to understand below behavior of sql server queries System has 4 CPUs with hyper thread ratio […]
Tag: maxdop
Will an underpowered mirror host cause: The query processor could not start the necessary thread resources for parallel query execution [duplicate]
Question : This question already has answers here: Need to understand parallel query execution error (2 answers) Closed last year. […]
MAXDOP setting algorithm for SQL Server
Question : When setting up a new SQL Server, I use the following code to determine a good starting point […]
Is socket a synonym of NUMA, and virtual processor synonym of physical processor in a virtualized SQL server environment?
Question : Link: https://docs.microsoft.com/en-US/sql/database-engine/configure-windows/configure-the-max-degree-of-parallelism-server-configuration-option?view=sql-server-ver15#Recommendations I understand the basic concept of max dop and cost threshold. I am reviewing 3 SQL […]
MAXDOP and Physical Cores
Question : I’ve got an instance built with 4 cores. We have some queries that are going parallel. I know […]
MAXDOP setting algorithm for SQL Server
Question : When setting up a new SQL Server, I use the following code to determine a good starting point […]
Queries running parallel with default maxdop
Question : I need to understand below behavior of sql server queries System has 4 CPUs with hyper thread ratio […]
MAXDOP Settings for SQL Server 2014
Question : I know this question has been asked number of times and also has answers to it but, I […]
What happens to queries that are in progress when we change maxdop in live system and while they are executing?
Question : We have a prod system that sometimes gets stuck and nothing we do helps but changing maxdop parameter […]
Should I change parallelism (MaxDop and Threshold)?
Question : Seems like I have problems with parallelism because largest wait types are CXCONSUMER and CXPACKET. Server has 8 […]