Recent Services Interruptions
Here's a summary of the outages we encountered this week and what we're doing to prevent this from happening again. Monday January 3rd Monday marked the first "real" workday for…
Category
Engineering
The Tree Slider
Those of you running recent versions of Safari, Chrome, or Firefox 4 may have noticed some changes to tree browsing on GitHub. The new HTML5 History API (which really has…
Scala Projects Classified Properly
We just fixed an issue where some Scala projects were being misclassified as Java projects. Now, recent projects like Twitter's FlockDB and Gizzard show up in the Scala language dashboard…
Tracking Deploys with Compare View
We log a message to Campfire anytime someone deploys code to staging or production. It looks like this: Recently, we added the link pointing to a Compare View where you…
New Languages Highlighted
CoffeeScript (.coffee) LotteryDraw: { play: -> result: LotteryTicket.new_random() winners: {} this.tickets.each (buyer, ticket_list) -> ticket_list.each (ticket) -> score: ticket.score(result) return if score is 0 winners[buyer] ||= [] winners[buyer].push([ticket, score]) this.tickets:…
Optimizing asset bundling and serving with Rails
We spend a lot of time optimizing the front end experience at GitHub. With that said, our asset (css, javascript, images) packaging and serving has evolved to be the best…
Multiple file gist improvements
We've always had the ability to embed multiple file gists: Your browser does not support IFrames But today we added the ability to embed specific files in a multi-file gist!…
How We Made GitHub Fast
Now that things have settled down from the move to Rackspace, I wanted to take some time to go over the architectural changes that we've made in order to bring…
unicorn.god
Some people have been asking for our Unicorn god config. Here it is: # http://unicorn.bogomips.org/SIGNALS.html rails_env = ENV['RAILS_ENV'] || 'production' rails_root = ENV['RAILS_ROOT'] || "/data/github/current" God.watch do |w| w.name =…
Unicorn!
We've been running Unicorn for more than a month. Time to talk about it. What is it? Unicorn is an HTTP server for Ruby, similar to Mongrel or Thin. It…
Rackspace Move Scheduled for Sunday, September 27th at 5PM Pacific Time
On Sunday, September 27th at 5PM Pacific time (see it in your timezone) we will begin the final move to Rackspace. We are aiming to have less than an hour…
Deployment Script Spring Cleaning
Better late than never, right? As we get ready to upgrade our servers I thought it'd be a good time to upgrade our deployment process. Currently pushing out a new…
Smart JS Polling
While Comet may be all the rage, some of us are still stuck in web 2.0. And those of us that are use Ajax polling to see if there's anything…
Git as a Data Store in Python (and Ruby)
I recently stumbled across an older article titled Using Git as a versioned data store in Python by @jwiegley. Your browser does not support IFrames Basically, it's a module similar…
Keeping GoogleBot Happy
One of the interesting side effects I hadn't considered when we rolled out some fairly significant caching updates on GitHub in the beginning of January was how much Google's crawler…