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A comment on Everything I've seen on optimizing Postgres on ZFS. Parent comment

Re:Everything I've seen on optimizing Postgres on ZFS by R0b0t1 on Thursday December 23, 2021 @12:22AM (#29658929)
Run it on really bad hardware, might be easier to see the differences. Could use some of the dm drivers to inject latency on disks too.
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Re:Everything I've seen on optimizing Postgres on ZFS by hardwaresofton on Thursday December 23, 2021 @12:56AM (#29659074)
Ah thanks for this, I didn't know there was actually a dm driver to inject latency. TIL it's called dm-delay[0][1].

[0]: https://www.kernel.org/doc/html/latest/admin-guide/device-ma...

[1]: https://enodev.fr/posts/emulate-a-slow-block-device-with-dm-...

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