article thumbnail

A thorough introduction to bpftrace

Brendan Gregg

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. There are often two modes, one for device cache hits and one for cache misses, which can be shown by this tool.

Latency 68
article thumbnail

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. Multiplexing allows multiple request and response messages to be in flight at the same time which means faster load times with no change to your front end code. Show me the code! HTTP/2 is awesome.

Servers 40
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

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. Multiplexing allows multiple request and response messages to be in flight at the same time which means faster load times with no change to your front end code. Show me the code! HTTP/2 is awesome.

Servers 40
article thumbnail

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. Multiplexing allows multiple request and response messages to be in flight at the same time which means faster load times with no change to your front end code. Show me the code! HTTP/2 is awesome.

Servers 40
article thumbnail

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.

Network 71
article thumbnail

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