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Talk type: Talk
Exploring Traffic Jams in Your Data Flows
In the real world, there's a phenomenon called a “phantom traffic jam” or a “traffic wave.” This is when there is a standing compression wave in automobile traffic, even though there is no accident, lane closure, or other incident that would cause the traffic jam. A similar phenomenon is possible in computer networking or storage I/O, where your data can slow down for no apparent reason. In this talk, Pavel is going to describe when and how this effect can arise and what can be done to discover it.