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Make sure that your reports are CSR-driven.

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The vast majority of Back-End Tools are intended for NON-programmers and NON-admins.

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We need to monitor EVERYTHING we can afford to monitor.

Another Quote:

Monitoring data doesn’t really require ACID transactions.

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it is DB which is usually The Bottleneck™ – it means that we’re saving this enormous amount of load, exactly where it really matters.

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as discussed above, the real-world task is always about scaling the whole system, including database; and in this regard Stateless-App-based systems exhibit significant problems.

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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.

Another Quote:

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