13 Sept 2026Systems
Your filesystem is lying to you
What fsync really guarantees, how delayed writeback errors escape transaction boundaries, and why durable local state is not an atomic external side effect.
attention · craft · slowness
Faraaz's Blog
Essays on software, systems, AI, and building things.
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I made AI coding agents more efficient
Using static analysis to improve token efficiency of AI coding agents
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There's too much content, so I built an AI knowledge assistant.
How and why I built an AI assistant that lets me consume or discard content much quicker.
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Try Different Things
A post exploring how people with a wide range of experiences are more likely to do well in life, you don’t have to specialize too soon.