Each day our systems deal with more data, more traffic and more complex tasks. Every large-scale system has to integrate with other internal or external systems. At the same time it should provide up to date information. On the other hand business states high availability and reliability requirements. Those two make designing of such systems difficult. In particular it is difficult to keep your data consistent.

It often happens that not all requirements can't be technically met. Fortunately there are theoretical proofs that define what can and can be met in what circumstances. During the talk I will present some of the data consistency related problems typical to high traffic systems and try to sketch possible solutions. During the talk I will mention a few words about: CAP theorem, Eventual Consistency, At Least-Once Delivery and Self-Healing Systems.

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Rated 4

Pawel M at 15:45 on 4 Nov 2017

Interesting