[Gluster-users] Gluster and ZFS: how much RAM?

Lindsay Mathieson lindsay.mathieson at gmail.com
Thu Feb 23 10:50:24 UTC 2017

On 23/02/2017 7:57 PM, Gandalf Corvotempesta wrote:
> How much RAM is suggested for gluster with ZFS (no dedup) ?
> Are 16GB enough with an SSD L2ARC?
> 8gb for the arc, 8gb for gluster and OS.

I have a 8GB limitation for my ZFS arc. Gluster (server+client) only 
seems to use about 3-4GB, so you should be fine with 16GB

For most people, running KVM VM's over zfs direct or via gluster over 
zfs, the l2arc doesn't seem to be much use, very poor hit ratio, less 
than 6%

Lindsay Mathieson

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