Talking head
Pacific Northwest Scala 2014

Here at Whitepages, we are redesigning a search system that must execute tasks concurrently, while providing smart flow-control and recovery in the presence of failures. We need a nuanced handling of errors for a variety of failure modes, which standard Futures alone do not provide. The system must also support timeouts at multiple levels in a way that allows recovery of useful information. Furthermore, the plan definition code must be clear, concise, and correct. In order to achieve the above goals in a functional and type-safe manner, we need a new, powerful abstraction. We decided to build a new future for ourselves! We would very much like to talk about our experience using and adapting Scalaz and Shapeless to implement functional, multi-faceted error handling of concurrent tasks.

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