The latest blog posts to take off on Hacker News. 6,950 posts.
Moving about 35 servers, something like 2000 pounds of computer hardware 50 blocks, doesn’t seem like that big of a thing. However, in our geek microcosm moving to a new colocation facility was a year long adventure with lessons learned, arguments, designs and redesigns, a hurricane, and many weekends of preparation…
Summary of the changes and new features merged in the Linux Kernel during the 2.6.x and 3.x development
Over the past couple of years Heroku customers have occasionally reported unexplained latency on Heroku. There are many causes of latency—some of them have
Yesterday, one of our customers let us know about significant performance issues they have experienced on Heroku. They raised an important issue and I want
Hi I'm Caleb Doxsey and welcome to my website. I'm a software developer. If you'd like to contact me, you can email me here: [email protected] .
The latest news from Google on open source releases, major projects, events, and outreach programs for early career developers.
Attached Code: https://github.com/iainkfraser/cache_transpose Before we begin, the underlined words are briefly described in the gloss...
Outside of initial page load problems, “layout thrashing” is the most common performance problem I see in dynamic web applications. This is particularly true for Single Page Applications which build and destroy views on the fly. However, I’m often amazed by the number of web developers I run into who are unaware of…
Edit(2013/1/29): http-kit is a event driven HTTP server & client for Clojure. It’s open source, https://github.com/http-kit
A little fun for the last day of 2012: how to crash a program via division? x86’s IDIV instruction traps not only on division by zero, but also on INT_MIN / -1 (signed integer overflow).
Posts and writings by Lennart Poettering
In case you’ve been living under a rock the past few days, Kim Dotcom (of Megaupload infamy) has launched his new cloud storage site, Mega. Mega has an impressive sales pitch, promising secure cloud storage where only the user has the key to decrypt his or her files, and the encryption and decryption happens securely…
This article is in response to an earlier one comparing Haskell and C, which made the claim that Haskell beats out C when it comes to speed. On a Hacker News thread I made the bold claim that the C code is rife with problems and that it is tempting to fix it.
This is a trade-off: you can't represent a leap second, and your time is guaranteed to go backwards. On the other hand, every day has exactly 86,400 seconds, and you don't need a table of all previous and future leap seconds in order to format Unix time as human-preferred hours-minutes-seconds.
This is episode 5, out of a total 12, in the A Node.JS Holiday Season series from Mozilla's Identity team. For this post, we bring the discussion back to scaling ...
If you missed my previous post on Understanding Postgres Performance its a great starting point. On this particular post I’m going to dig in to some real life examples of optimizing queries and indexes. It all starts with stats I wrote about some of the great new features in Postgres 9.2 in the recent announcement on…
A blog about computer science education. Projects, resources, and ideas for teaching, learning, and using computer science. By a teacher for teachers.
Having seen this failure mode happen a couple times now, it's time to share. Yes, Virgil, multi-disk failures DO happen during RAID rebuilds. I have pictures, so it MUST be true!First,
The FreeBSD Release Engineering Team is pleased to announce the availability of FreeBSD 9.1-RELEASE. This is the second release from the stable/9 branch, which improves on the stability of FreeBSD 9.0 and introduces some new features. Some of the highlights:
As SPDY works its way through IETF ratification I began wondering whether it was really necessary to add a complex, binary protocol to th...
Summary of the changes and new features merged in the Linux kernel during the 3.7 development cycle
Today, I chrooted in my system from sysresCD and I discovered that running eix-update (a gentoo portage indexing program) ran almost 3x fas...
