Writing

Long-form notes on Go, infrastructure and the CNCF projects I work in, with the real code and the tradeoffs. Sometimes a career lesson too.

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All tech golang infra opensource ideology security observability prometheus web3

2026

  1. How Prometheus Finds Matching Series in Milliseconds

    2026-06-09 · 11 min

    How Prometheus finds the series matching your query in milliseconds: inverted indexes, posting lists, Seek-based set intersection, and why negative matchers and regex are the expensive part.

    techprometheus