Re: ZFS ARC memory requirements

From: Andrea Venturoli <ml_at_netfence.it>
Date: Mon, 04 Mar 2024 15:36:09 UTC 
On 3/4/24 15:17, Daniel Feenberg wrote:

> We have a number of large ZFS stores used for both production and 
> backup. Most have 64GB and that seems more than enough. We use 
> compression, but do not do de-duplication.

Thanks (and to Mike too).




> I believe the advice you have 
> read accounts for de-duplication, which is memory-intensive.

No.
The handbook (among others) says 1GB/TB without dedup and 5GB/TB with dedup.

  bye
	av.