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  • Ratcheting SQL Queries: reducing a database's load by 1/4th with a simple change

    2026-03-05

  • Why doesn't MySQL's query planner rewrite some `ORDER BY.. LIMIT` queries to use a `UNION` strategy? No clue.

    2025-11-22

  • A one-table SQL query will often use a single index

    2025-10-08

  • Indexes are sorted arrays (sort of)

    2023-08-14

  • Using NodeJS's AsyncLocalStorage to Instrument a Webserver

    2022-05-30

  • MongoDB Performance is Disk-graceful

    2021-10-22

  • Node's `AsyncLocalStorage` Makes the Commons Legible

    2021-08-18

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