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Static hostname hashing in Pound
WordPress.com just surpassed her 300th server today. How do we distribute requests to all those servers? We use Pound of course. For those of you not familiar with Pound, it is an open source software load balancer that is easy to setup and maintain, flexible, and fast! In general, we do not stick individual sessions…
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Making Gravatar fast again
As Matt blogged, Automattic recently purchased Gravatar. The first thing we did was move the service onto the WordPress.com infrastructure. Since the application is very different from WordPress.com what this really means is using what we have learned from scaling WordPress.com to increase both speed and reliability of the service, as well as leveraging our…
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WordPress.com using S3
Demitrious has a great post explaining how we are using S3, Varnish, and Pound to serve 60 million image requests per day on WordPress.com UPDATE: Almost forgot, but Matt reminded me, he has a really super duper awesome post about WordPress.com and S3 too!
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Virgin America review
This weekend I flew to New York City and decided to try Virgin America. They received some press when they launched mostly around the cool lighting and seat-back computers. Here is my review: Service: A Online check-in was painless and everyone was super nice. The flight crews even have a sense of humor. Comfort: B…
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Redundancy and power outages
Scott Beale reports that many Web 2.0 websites were affected by today’s power outage at 365 Main in San Francisco. While unfortunate, as a systems guy I have to assume things like this are going to happen. They shouldn’t happen, but they can and they will. At the data center level, there should be multiple…
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Barry on WordPress 