Category: servers
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WordPress.com DDoS Details
As you may have heard, on March 3rd and into the 4th, 2011, WordPress.com was targeted by a rather large Distributed Denial of Service Attack. I am part of the systems and infrastructure team at Automattic and it is our team’s responsibility to a) mitigate the attack, b) communicate status updates and details of the…
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Dell MD3000 Multipath on Debian
We are in the process of deploying some new infrastructure to store the 150+GB of new content (media only, not including text) uploaded to WordPress.com daily. After some searching and testing, we have decided to use the open source software MogileFS developed in part by our friends at Six Apart. Our initial deployment is going…
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New Datacenter for WordPress.com
Towards the end of 2008, we brought online a new datacenter to serve the over 5.5 million blogs now hosted on the WordPress.com platform. Adding the data center in Chicago, IL gives us a total of 3 data centers across the US which serve live content at any given time. We have decommissioned one of…
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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…
Barry on WordPress 