# Disks

Page: https://stenobird.com/podcast/postgres-fm-5565051/disks
Text version: https://stenobird.com/podcast/postgres-fm-5565051/disks.md
Podcast: [Postgres FM](https://stenobird.com/podcast/postgres-fm-5565051)
Published: 2025-08-29T13:00:00+00:00
Episode link: https://share.transistor.fm/s/dabdc7fa
Audio file: https://media.transistor.fm/dabdc7fa/44bee692.mp3
Processing state: not_requested
JSON: https://stenobird.com/v1/public/podcasts/postgres-fm-5565051/episodes/disks
Duration seconds: 2773

## Resource

Nik and Michael discuss disks in relation to Postgres — why they matter, how saturation can happen, some modern nuances, and how to prepare to avoid issues. Here are some links to things they mentioned: Nik’s tweet demonstrating a NOTIFY hot spot https://x.com/samokhvalov/status/1959468091035009245 Postgres LISTEN/NOTIFY does not scale (blog post by Recall ai) https://www.recall.ai/blog/postgres-listen-notify-does-not-scale track_io_timing https://www.postgresql.org/docs/current/runtime-config-statistics.html#GUC-TRACK-IO-TIMING pg_test_timing https://www.postgresql.org/docs/current/pgtesttiming.html PlanetScale for Postgres https://planetscale.com/blog/planetscale-for-postgres Out of disk episode https://postgres.fm/episodes/out-of-disk 100TB episode https://postgres.fm/episodes/to-100tb-and-beyond Latency Numbers Every Programmer Should Know https://gist.github.com/jboner/2841832 Fio https://github.com/axboe/fio ~~~ What did you like or not like? What should we discuss next time? Let us know via a YouTube comment, on social media, or by commenting on our Google doc ! ~~~ Postgres FM is produced by: Michael Christofides, founder of pgMustard Nikolay Samokhvalov, founder of Postgres.ai With credit to: Jessie Draws for the elephant artwork

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## Transcript

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