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PostgreSQL on AWS EC2: Benchmarking 26 Instance Types for Cost-Effective Performance

anivan_

4h ago· 13 min readenInsight

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Summary

This article presents a comprehensive benchmarking tool and analysis for sizing PostgreSQL servers on AWS. It provides real benchmark results across 26 EC2 instance types and 8 families, testing 52 configurations at 1 GB dataset size. The analysis identifies the cheapest configurations that clear 33,000 requests per second, with the m8g.large on gp3-baseline at ~$82/month being the most cost-effective. The tool allows users to filter and sort by instance type, disk configuration, and cost/performance metrics, with Graviton (arm64) instances shown in green and x86-64 in slate. The content is a data-driven performance comparison aimed at helping users choose optimal EC2 instances for PostgreSQL workloads.

Source

Hacker NewsPostgreSQL on AWS EC2: Benchmarking 26 Instance Types for Cost-Effective Performancepostgres.saneengineer.com

Key quotes

· 3 pulled

30 of 52 configs clear 33,000 RPS at 1 GB.

The cheapest is m8g.large on gp3-baseline at $82/mo.

Size a PostgreSQL server on AWS: choose your dataset size and target throughput to find the cheapest EC2 instance that clears it — backed by real benchmarks of 26 instance types across 8 families.

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Size a PostgreSQL server on AWS: choose your dataset size and target throughput to find the cheapest EC2 instance that clears it — backed by real benchmarks of 26 instance types across 8 families.

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