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Site-Speed Topography Remapped

CSS Wizardry

This is an update to my 2020 article Site-Speed Topography. Around two and a half years ago, I debuted my Site-Speed Topography technique for getting broad view of an entire site’s performance from just a handful of key URLs and some readily available metrics. What Is Site-Speed Topography? No more false starts and dead ends.

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Site-Speed Topography

CSS Wizardry

When first working on a new site-speed engagement, you need to work out quickly where the slowdowns, blindspots, and inefficiencies lie. I can see from the screenshot above that TTFB is my most stable metrics—no one page appears to have particularly expensive database queries or API calls on the back-end. That work is what comes next.

Speed 292
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Progressive delivery at cloud scale: Optimizing CPU intensive code with Dynatrace

Dynatrace

And the code-level root cause information is what makes troubleshooting easy for developers. As Dynatrace automatically captures stack traces for all threads at all time the CPU Hotspot analysis makes it easy to identify which code is consuming all that CPU in that particular thread. Step 3: Identifying root-cause in code.

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How to Monitor Your MySQL Database Restore Progress

Percona

Restoring a MySQL database backup is a crucial task that can sometimes be time-consuming, especially for large databases. Linux native Input/Output (I/O) statistics Pipe viewer utility By following these approaches, we can effectively monitor the restoration process and manage your MySQL database restoration efficiently.

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The Speed of Time

Brendan Gregg

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. top(1) showed that only the Cassandra database was consuming CPU. Without NMI, some kernel code paths (interrupts disabled) can't be profiled. A quick check of basic performance statistics showed over 30% higher CPU consumption.

Speed 126
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The Ultimate Guide to Open Source Databases

Percona

The use of open source databases has increased steadily in recent years. Past trepidation — about perceived vulnerabilities and performance issues — has faded as decision makers realize what an “open source database” really is and what it offers. What is an open source database?

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Code-level observability for Flutter apps drives great user experience

Dynatrace

With Dynatrace, you get end-to-end visibility into each user action, from the user interaction triggered on the mobile device, through the maze of cloud and on-premises services, down to the database statement. When you set up user actions in your code, OneAgent automatically links associated web requests to those user actions.

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