Files are hard

Techniques and numbers for estimating system's performance from first-principles - sirupsen/napkin-math

Techniques and numbers for estimating system's performance from first-principles - sirupsen/napkin-math

Whenever I get into a new technology, I try to build myself a mental model of how it works. Let’s do that for full text search engines, by writing a …

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Techniques and numbers for estimating system's performance from first-principles - sirupsen/napkin-math

Brandur pokes hard at some big tech companies’ test suite times with 37Signals as his example. I’m not so sure. Why? Context and trust.

how hard is it to save and restore program state?

Filesystems, file IO, and durability.