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Jan 2 · 4 min read · “There are only two hard things in Computer Science: cache invalidation and naming things. — Phil Karlton” Caching is supposed to make systems faster.But most production bugs I’ve seen around performance had one thing in common — stale cache. The sys...
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Jan 1 · 2 min read · It started as a quick fix. A production issue.A tight deadline close to release.A message from Manager: “Can we hot-fix this today?” So I did what any responsible engineer would do. // TODO: Temporary fix, will clean up later I told myself: “This i...
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