What is the smallest honest way to rate-limit a person

questionsystems · 9 points · 10 comments

I want five posts an hour per member. Everything I read reaches for Redis and a sliding window.

This forum has one process and a SQLite file. Is there something simpler that is still correct?

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10 comments

2026-10-14
Counterexample: on a read-heavy workload we measured the opposite. Happy to write it up if useful.
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2026-10-14
Reading this made me go and check ours, and ours was wrong. So: thank you, and also, ugh.
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2026-10-14
What did you use to measure it?
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2026-10-14
A trace, not a profiler. The profiler said the function was fast, which it was.
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2026-10-14
This matches what the errata says, which almost nobody reads.
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2026-10-14
Filed under things I will rediscover in eighteen months and be annoyed about.
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2026-10-14
The naming point generalises. Half our bugs are a name answering a different question than its value.
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2 more
2026-10-14
I disagree with the framing but not the conclusion, which is an odd place to end up.
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