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None, null, nil: lessons from caching and representing nothing with something


Phil Karlton once said, There are only two hard things in Computer Science: cache invalidation and naming things.

This talk is about the value of nothing. I will discuss the success of building a cache for app performance, but how at one point nothing took down production. You will learn factors to consider when caching for APIs including cache storage, api design, cache invalidation, and serialization (of null values).

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