10 eBay Secrets for Planet Wide Scaling

November 18 2009, 6:27am

You don't even have to make a bid, Randy Shoup, an eBay Distinguished Architect, gives this presentation on how eBay scales, for free. Randy has done a fabulous job in this presentation and in other talks listed at the end of this post getting at the heart of the principles behind scalability. It's more about ideas of how things work and fit together than a focusing on a particular technology stack. Impressive Stats In case you weren't sure, eBay is big, with lots of: users, data, features, and change...

Over 89 million active users worldwide 190 million items for sale in 50,000 categories Over 8 billion URL requests per day Hundreds of new features per quarter Roughly 10% of items are listed or ended every day In 39 countries and 10 languages 24x7x365 70 billion read / write operations / day Processes 50TB of new, incremental data per day Analyzes 50PB of data per day

10 Lessons

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