sirupsen/napkin-math
View on GitHub ↗ ★ 5,827 Rust
Techniques and numbers for estimating system's performance from first-principles
17 mentions on Hacker News by 11 people: 8 stories, 9 comments · first 2020-10-03 · latest 2026-06-22
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…a single file. A single (range) request can "only" drive ~500 MB/s, so you need multiple offsets. https://github.com/sirupsen/napkin-math
comment by Sirupsen · 2026-02-24 · in A distributed queue in a single JSON file on object storage -
Not everything you think you know is right. https://github.com/sirupsen/napkin-math
comment by ikiris · 2025-12-13 · in Why Twilio Segment moved from microservices back to a monolith -
And napkin-math: https://github.com/sirupsen/napkin-math
comment by eatonphil · 2025-03-21 · in MySQL transactions per second vs. fsyncs per second (2020) -
https://github.com/sirupsen/napkin-math
comment by shepherdjerred · 2024-08-25 · in Neurotechnology numbers worth knowing (2022) -
…top of object storage, so this is extremely timely for us... I hope GCS ships this ASAP. [1] [0]: https://github.com/sirupsen/napkin-math [1]: https://turbopuffer.com/
comment by Sirupsen · 2023-11-28 · in S3 Express Is All You Need -
…GB (554.24 million rows/s., 8.87 GB/s.) [1] Converted the table create and insert logic from here: https://github.com/sirupsen/napkin-math/blob/master/newslett...
comment by arynda · 2022-11-28 · in Index Merges vs. Composite Indexes in Postgres and MySQL -
…with io_uring—so I need to regenerate those numbers. It's possible it could be 2-4x better. [1]: https://github.com/sirupsen/napkin-math
comment by Sirupsen · 2022-11-26 · in I/O is no longer the bottleneck -
…memory. Not to mention, in typical Cloud workloads, IOPS are far more expensive than memory. [1]: https://github.com/sirupsen/napkin-math
comment by Sirupsen · 2022-11-26 · in I/O is no longer the bottleneck -
More numbers with accompanying code: https://github.com/sirupsen/napkin-math
comment by Sirupsen · 2020-10-03 · in Latency Numbers Every Programmer Should Know (2012)