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Let's make the web faster
Insights from Googlers into our products, technology, and the Google culture
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Facebook's photo storage rewrite
This week Facebook will complete its roll-out of a new photo storage system designed to reduce the social network's reliance on expensive proprietary solutions from NetApp and Akamai. The new large blob storage system, named Haystack, is a custom-built file system solution for the over 850 million photos uploaded to…
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Why is the DOS path character "\"?
Access to this page requires authorization. You can try signing in or changing directories .
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World's smallest Arc server
The frame below is being served was being served by the Arc language web server running on a SheevaPlug plug computer. (I've replaced th...
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Put that database in memory
Writings on artificial intelligence, personalization, recommendations, and the tech industry.
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John Resig Talk: Performance Improvements in Browsers
I gave a talk last week at Google (at the request of the excellent Steve Souders ) all about the performance improvements, and new APIs, that are coming in browsers. I cover the new browsers, their JavaScript engines, their JavaScript performance, and then do a whirlwind tour of their new DOM methods and some of their…
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Courgette: better binary diffing by understanding x86
Courgette landed in the Chromium tree a while ago but there's been no announcement, so here's my basic understanding.
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Iostat -x
My favorite Linux tool in DB work is ‘iostat -x’ (and I really really want to see whenever I’m doing any kind of performance analysis), yet I had to learn its limitations and prop…
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Why CouchDB doesn't scale
This is my attempt to clear up some misconceptions about CouchDB and point out some technical details that a lot of people seem to have over...
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Why the secret to speedier highways might be closing some roads: the Braess paradox
"All will be well if you use your mind for your decisions, and mind only your decisions." Help me make more videos and posts! A monthly membership directly supports the channel and allows me to make more videos that inspire students and teachers around the world. You also get early access to new videos. Support with a…
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A performance comparison of Judy to hash tables
Numerous claims about Judy's performance are made in the Judy whitepaper . I don't think any of those claims are wrong. However, it does not appear that sufficient effort was put in benchmarking Judy against other data structures. Now, it is unlikely there is another data structure that is both as fast and as small as…
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Basics of the Unix Philosophy
The ‘Unix philosophy’ originated with Ken Thompson's early meditations on how to design a small but capable operating system with a clean service interface. It grew as the Unix culture learned things about how to get maximum leverage out of Thompson's design. It absorbed lessons from many sources along the way.
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Smashing the Stack for Fun and Profit by Aleph One
An excellent (if a bit dated) article/tutorial on exploiting buffer overflow vulnerabilities. It was written by Aleph One for Phrack 49.