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Whenever Game Event is interrupted for significant time, as a rule of thumb it is better to roll back the interrupted Game Event rather than trying to restore the exact Game World State in the middle of the Game Event.

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Just like Scaling Up, improving performance doesn’t provide infinite scalability. However, it happens that it is all about numbers.

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Contrary to popular belief, there are benefits of Docker containers which go beyond providing poorly written programs with exact versions of their dependencies

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I do not buy a rather popular argument that “to achieve scalability, apps and middleware should be stateless”

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This communication channel (coming from Operations back to Development) is extremely important to have a game which is able to work anywhere-reliably in the real world

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Most importantly, our processes should allow these different production cycles to co-exist.

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for quite a few applications out there, the most important feature of the RAID is not even redundancy, but greatly improved write latency. Moreover – this is the thing which we cannot possibly get from software RAID (!).

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As a rule of thumb – I am trying to keep the size of OLTP DB small enough to fit into RAM of the OLTP DB Server.