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PostgreSQL 16 Benchmark: Hostim Leads Writes, Hetzner Leads Reads, AWS RDS Trails on Both

Pavel Voronov

3h ago· 7 min readenInsight

technology programming

Summary

A like-for-like benchmark comparing PostgreSQL 16 performance across three platforms (AWS RDS, Hostim, and self-hosted on Hetzner) at the same 2 vCPU / 4 GB tier. Hostim delivered the fastest writes (2.5× AWS RDS throughput), Hetzner had the fastest reads, and AWS RDS was slowest on both metrics. The analysis includes exact reproduction commands and reveals that high-availability costs dramatically change the total cost picture beyond the listed sticker price.

Source

Hacker NewsPostgreSQL 16 Benchmark: Hostim Leads Writes, Hetzner Leads Reads, AWS RDS Trails on Bothhostim.dev

Key quotes

· 3 pulled

Hostim had the fastest writes, about 2.5× the write throughput of AWS RDS db.t4g.medium and 2.1× a default self-hosted Postgres on Hetzner.

Hetzner had the fastest reads, on raw per-core CPU speed.

RDS was slowest or near-slowest on both, and its listed price is the smallest part of the real bill.

Snippet from the RSS feed

A like-for-like pgbench comparison of managed and self-hosted Postgres at the same size and price tier, with the real cost of high availability included, not just the sticker price.

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