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A thorough introduction to bpftrace

Brendan Gregg

bpftrace is a new open source tracer for Linux for analyzing production performance problems and troubleshooting software. It was created by Alastair Robertson, a talented UK-based developer who has previously won various coding competitions. Hence static instrumentation, where event points are hard-coded and become a stable API.

Latency 68
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Getting Started with HTTP/2 and Server Push

Dean Hume

We didn’t change any code, or even make any web performance tweaks - we made the switch and noticed the results immediately. If too many requests are made, it can negatively affect the performance of your web page due to the fact that HTTP/1.1 A lot of the web performance hacks that we currently use are no longer needed!

Servers 40
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Getting Started with HTTP/2 and Server Push

Dean Hume

We didn’t change any code, or even make any web performance tweaks - we made the switch and noticed the results immediately. If too many requests are made, it can negatively affect the performance of your web page due to the fact that HTTP/1.1 A lot of the web performance hacks that we currently use are no longer needed!

Servers 40
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Getting Started with HTTP/2 and Server Push

Dean Hume

We didn’t change any code, or even make any web performance tweaks - we made the switch and noticed the results immediately. If too many requests are made, it can negatively affect the performance of your web page due to the fact that HTTP/1.1 A lot of the web performance hacks that we currently use are no longer needed!

Servers 40
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Chrome's NOSCRIPT Intervention

Tim Kadlec

The two results that jump out right away as oddities are The Atlantic and The Verge which managed to get a whopping 293% and 2048% heavier without JavaScript. You can, technically, opt-out of the intervention altogether by setting Cache-control: no-transform on your main request. JavaScript isn’t a given.

Network 71
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SQL Server I/O Basics Chapter #2

SQL Server According to Bob

Time of Last Access The time of last access is a caching ​​ algorithm ​​ that enables ​​ cache ​​ entries to be ordered by their ​​ access times.

Servers 40