Posts by Brent Ozar

Bad Idea Jeans: Building Big Query Plans

Bad Idea Jeans
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When you build a monitoring tool that sends advice via email, you discover two things: Some people have really, really big execution plans Email servers have reasonable limits on file attachment sizes Add those two things together, and Richie found himself working on a new feature for SQL ConstantCare® that would automatically break up advice…
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[Video] How to Find Queries Using OPTION RECOMPILE (And Their Parameters)

Development, Videos
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For years, I hated troubleshooting servers with high CPU usage caused by queries constantly asking for new execution plans. Hated it. SQL Server just doesn’t make it easy to find queries with recompile hints. Then Erik Darling’s sp_HumanEvents came along. And now troubleshooting frequent compilations is as easy as this: Transact-SQL EXEC dbo.sp_HumanEvents @event_type =…
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Brent Ozar's Consultant Toolkit

Updated First Responder Kit and Consultant Toolkit for June 2020

If you’re saving the contents of sp_BlitzFirst, sp_BlitzCache, and sp_BlitzWho to tables every 15 minutes, you should definitely install this month’s updates. There are several key improvements for you in here to help make it easier to troubleshoot plan cache rollover due to unparameterized queries, plus way easier to gather query plans that are having…
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[Video] Watch Brent Write Queries

Videos
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This morning, I wanted to write a few new “background noise” queries for my Mastering classes. In those classes, the students run live workloads against the Stack Overflow database and troubleshoot performance issues, and the more of a varied workload I’ve got running, the more realistic it feels. For this session, I specifically wanted to…
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