[PVE-User] PBS and ZFS Pools Compression?

Roland devzero at web.de
Fri Apr 9 01:51:09 CEST 2021


i know that there was smartcompression feature in nexenta:

https://openzfs.org/w/images/4/4d/Compression-Saso_Kiselkov.pdf

afaik, it does not exist in zfsonlinux/openzfs.

on my system, i'm getting

- <250MB/s when writing uncompressible data to zfs pool with lz4 enabled

and

- >450MB/s when writing uncompressible data to zfs pool without compression

regards
roland

Am 08.04.21 um 20:06 schrieb Dietmar Maurer:
>> This is a good article on the subject:
>> https://klarasystems.com/articles/openzfs1-understanding-transparent-compression/
> Can't find where the explain it. ZFS magically detects if data is compressible?
> Please can someone give me a hint how they do that?
>
>
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