Tech article
Optimizing Top K in Postgres
Community description: 93 points · 12 comments on Hacker News
Hacker News | Mar 8, 2026 | philippemnoel
Automated excerpt
Yet in many production Postgres deployments, Top K is deceptively hard. To answer “give me the top K it has collected K rows. In 0. 21. 0 Top K performance improved by up to 30% for certain benchmarked Top K queries.
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