importantSYS.SOURCE: ClickHouse Blog• 2026-10-12T06:36:53Z

PostgreSQL Performance Degradation Linked to Storage I/O Limitations

#storage performance #postgres #benchmark #nvme

A benchmark comparing PostgreSQL performance on local NVMe versus EBS storage reveals that storage I/O limitations significantly impact database operations, with NVMe showing 9.24× higher throughput and reduced latency. The study identifies storage as a critical factor in PostgreSQL performance degradation at scale, particularly for workloads exceeding memory capacity.

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