Raffi Krikorian explains the architecture used by Twitter to deal with thousands of events per sec - tweets, social graph mutations, and direct messages-.
Raffi Krikorian is Senior Director of the Applications Services group at Twitter, the custodians of Twitter's core logic and application infrastructure. His teams manage the business logic, scalable delivery, APIs, and authentication of Twitter's application. His group helped create the iOS 5 Twitter integration as well as the "The X Factor" + Twitter voting mechanism.
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