Postgres isn't slow, your storage is: ClickHouse recaps Posette talk on storage bottlenecks
saisrirampur · hn · 2026-10-12
ClickHouse published a recap of the Posette conference talk "Postgres isn't slow, your storage is", arguing that many perceived Postgres performance problems actually stem from the storage layer — network-attached volumes with limited IOPS/throughput, misconfigured filesystems, and underused page cache. The talk covers how to identify storage bottlenecks and tune accordingly; the HN thread debates cloud disk latency vs. local NVMe and managed database tradeoffs.
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