Built-In Query Monitoring Tools

Grant Fritchey describes a couple built-in options for monitoring query performance:

It’s not enough to know that you have a slow query or queries. You need to know exactly how slow they are. You must measure. You need to know how long they take to run and you need to know how many resources are used while they run. You need to know these numbers in order to be able to determine if, after you do something to try to help the query, you’ll know whether or not you’ve improved performance. To measure the performance of queries, you have a number of choices. Each choice has positives and negatives associated with them. I’m going to run through my preferred mechanisms for measuring query performance and outline why. I’ll also list some of the other mechanisms you have available and tell you why I don’t like them. Let’s get started.

This is an intro-level blog post, so Grant doesn’t go into much detail, but he does provide some good links for getting started.

Related Posts

What Compatibility Level 150 Gets You

Erik Darling explains the upsides and downsides of moving to SQL Server 2019 and compatibility level 150: In those versions, flipping compatibility level uses the new Cardinality Estimator (CE). That new Cardinality Estimator is real hit or miss. The worst part is that there’s practically no gain to be realized for using higher compatibility levels […]

Read More

Antivirus and SQL Server

Randolph West proffers advice should your IT team require installing antivirus software on a server with SQL Server running: This is why it is documented that we should exclude SQL Server from any AV (anti-malware) detection products, so that it can get on with doing what it does best. Yes, it’s formally documented. This is why […]

Read More

Categories

July 2016
MTWTFSS
« Jun Aug »
 123
45678910
11121314151617
18192021222324
25262728293031