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Performance Monitoring and Server Tuning

Diagnosing instance performance through waits, resources, monitoring, and baselines.

405 associated posts180 primary posts

Production DBA

Why Your Azure SQL DB Hyperscale Bill is Higher Than You’d Expect

tl;dr: if you use Azure SQL DB Hyperscale's auto-scaling, it's probably not cutting your bill down because like SQL Server, Hyperscale doesn't automatically relinquish memory, and it'll be up to you to manually manage your own memory if you wanna cut your bill.

Now for the long story.

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Finding Out What Changed in a Cumulative Update

Over the last several years, Microsoft has been putting less and less effort into Cumulative Update documentation. We used to get full-blown knowledge base articles about fixes, but these days, we get a collection of footnotes with deceiving hyperlinks that look like they're going to lead to more information - but they simply lead back to themselves.

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The 6 Best Things Microsoft Ever Did to SQL Server

This entire blog post is driven by the #1 feature in this list. I think about the #1 feature a lot, like at least once a week. I think about it so much that I had to stop and think about what other similar great things Microsoft has done over the years, and be thankful for what a nice platform this is to work with. Let's go through 6 of my favorite Microsoft decisions.

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Does Separating Data and Log Files Make Your Server Faster?

I've already explained that no, it doesn't make your database server more reliable - and in fact, it's the exact opposite. But what about performance? The answer is going to depend on your hardware and workload, but let's work through an example. I'll take the first lab workload from the Mastering Server Tuning class and…

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[Video] Office Hours in Osaka, Japan

Kon'nichiwa! My vacation tour continues in Osaka, Japan, a city famous for its street food, nightlife, and host and hostess clubs. I'm usually the kinda guy who does classy dinners at 5PM and then hits the sack by 9PM at the latest, so you might wonder how I got here. The answer is that Yves planned this trip out, hahaha, so here we are. As long as we're here, let's go through your top-voted questions from https://pollgab.com/room/brento.

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