Blog
Practical memos — not traffic bait. If a post saves you a staging incident, send us the diff story.
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2025-11-12 · Lin Okada
Why your migration looked fine locally and stalled in staging
Lock duration, statistics freshness, and row counts interact in ways ORM tutorials rarely mention. Here is a triage order we teach in cohort reviews.
migrationspostgresqloperations -
2025-09-03 · Haruto Watanabe
Designing events analysts can join without rage-clicking
Field names matter, but grain matters more. A short checklist for engineers who want cleaner handoffs to analytics.
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2024-12-18 · Lin Okada
Three questions we ask before recommending an index
A compact decision tree from our Indexing Internals workshop—built for pull-request reviews, not ivory-tower theory.
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2025-02-27 · Priya Nishimura
Notebook habits that survive on-call weeks
Paper purists and Notion maximalists both lose when incidents strike. A middle path we coach in backup and operations tracks.
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2025-06-08 · Haruto Watanabe
Reading a query plan with a hypothesis, not hope
A mentor-approved sequence for turning EXPLAIN output into a short written theory you can test.
query planspostgresqlmethodology
