[Gluster-users] ZFS, ZIL and ARC

[Lindsay Mathieson]

On 30/10/2016 11:24 PM, Gandalf Corvotempesta wrote:
>
> I've added an ssd to a zpool to be used as zil and l2arc cache. (One 
> partition for each service)
>
> Seems to be unused. I've tried with arcstat.sh script and i don't see 
> any increasing usage for the cache
>
> How can i debug the zil/arc cache usage?
>

This is for VM Hosting? pretty normal. I've run l2arc for weeks with 
VM's on ZFS or gluster/zfs and only seen 4%-6% hit ratios. Between KVM 
caching and the zil, l2arc never gets a chance to shine.

-- 
Lindsay Mathieson