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Assorted Rants Tagged ‘crazy stuff’, page 1:

The Importance of Back-of-Envelope Estimates

Quote: “trying to optimize out a 3e-7 performance hit is very rarely worth the trouble.”
Another Quote: “With 4S/4U boxes having typical MTBFs of 3–5 years, the next question we should ask ourselves, is “Hey, will we really be able to write software which crashes much more rarely than that?””
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Ultra-fast Serialization of C++ Objects

Quote: “in both these cases we can be 100% sure that we’ll be deserializing this state on the executable which is identical to the executable which serialized the state.”
Another Quote: “Even when comparing with home-grown code with per-field serialization, our Ultra-Fast Serialization still wins (up to 1.5x-2x) “
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Advocating “Obscurity Pockets” as a Complement to Security. Part II. Deployment Scenarios, More Crypto-Primitives, and Obscurity-Pocket-As-Security

Quote: “In other words – such an Obscured RNG would protect us from Debian RNG disaster(!)”
Another Quote: “such a protocol (if properly deployed on the Server Side) – would defeat Heartbleed too (even if all the details of the Client are known)”
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Advocating “Obscurity Pockets” as a Complement to Security. Part I. Definition and Benefits.

Quote: “In a hypothetical world where attackers would need to create a unique attack script for each system attacked – such an economy would be a non-starter.”
Another Quote: “If all the people would be the same – pandemics such as Black Death would easily take the whole humankind down; it is diversity among humans which allowed us to survive.”
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Ultimate DB Heresy: Single Writing DB Connection. Part II. Gradual Scalability. All the way from no-scale to perfect-scale.

Quote: “And after this split of USERS table, the system has achieved perfectly linear scalability.”
Another Quote: “Start with a simple single-write-connection DB, with reporting running off the same DB”
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Ultimate DB Heresy: Single Modifying DB Connection. Part I. Performance (Part II. Scalability to follow)

Quote: “Dealing with transaction isolation is very far from being a picnic”
Another Quote: “One of such real-world systems was consistently processing over 30M real-world write transactions/day over one single DB connection, supporting ~100K simultaneous players.”
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