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The most popular blog posts about systems & performance on Hacker News. 301 posts.
A few years ago Google made a proposal for a new HTTP compression method, called SDCH (SanDwiCH). The idea behind the method is to create a dictionary of long strings that appear throughout many pages of the same domain (or popular search results).
A while ago, I posted about ffvp9, FFmpeg's native decoder for the VP9 video codec, which significantly outperforms Google's decoder (part of libvpx). We also talked about encoding performance (quality, mainly), and showed VP9 significantly outperformed H.264, although it was much slower. The elephant-in-the-room…
It is no secret that at CloudFlare we put a great effort into accelerating our customers' websites. One way to do it is to reduce the size of the images on the website. This is what our Polish product is for.
Owing to its historic roots as a derivative of the original Berkeley Systems Distribution (BSD), OpenBSD includes a great deal of old code. Many files bear copyright notices from the year 1980, and in some cases, even older. Although not explicitly stated as a project goal, keeping OpenBSD modern is an important part…
At work we recently started using the MQTT protocol, which uses a publish / subscribe model. It’s simple in the good way and well thought out. We went with an open source implementation named…
Hamidreza Soleimani's Blog - Just about what I know
At Flickr our users really care about image quality. They also care a lot about how responsive our apps are. Addressing both of these concerns simultaneously is challenging; higher quality images have larger file sizes and are slower to transfer. Slow transfers are especially noticeable on mobile devices. Flickr had…
Read the post on "MirageOS v2.5 with full TLS support" from our blog.
This is a co-production with Veedrac, who wrote most of the awesome technical details.
Use Equinix Fabric to establish direct, low-latency connections to a variety of services providers.
Binary search is a wonderful algorithm: theoretically optimal, fast in practice, and discoverable by school children playing guessing games. Usually we think of binary search as being applied to a sorted array, and we teach it this way.
Dash knows your context, your team, and your work, so your team can stay organized, easily find and share knowledge, and keep projects secure, all from one place.
Yesterday I was curious about how git push works over SSH. I’m getting more used to using strace to figure this kind of thing out, so I gave it a shot. If I strace pushing to this site’s repository, this shows up:
{This material originally appeared in the March, 1991 International Edition of Byte magazine, a McGraw-Hill publication} To describe TAOS (pronounced 'dowse' as in the oriental religion Daoism) as an innovatory operating system would be a profound understatement. It has so few points of
A few weeks ago I hinted at some big changes coming in the InfluxDB clustering design. These changes came about because of the testing weve done over the last 3 months with the clustering design that was going to be shipped in 0.9.0.
Blog about Ubuntu from a kernel engineer
“Can I use Snappy Ubuntu Core on the Raspberry Pi?” is one of the most frequently asked questions we heard since launching Ubuntu Core for smart devices. Thanks to a very successful collaboration between the Raspberry Pi Foundation and Canonical, the company behind Ubuntu, we are pleased to announce that Snappy Ubuntu…
