Chris van Eijk: Counting per tenant in PostgreSQL: count, estimate, counter

2026-10-01来源 Planet PostgreSQLEnglish
count(*) per tenant in PostgreSQL 17, measured: why it got 5× slower for the largest tenant, when estimates are wrong, and what a counter row costs under load.

原文：https://www.a8q9.cn/en/article/chris-van-eijk-counting-per-tenant-in-postgresql-count-estimate-counter-b1934b.html

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