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

Lindsay Mathieson
Thu, 23 Feb 2017 10:50:24 -0000

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