[Gluster-users] ZFS, ZIL and ARC
lindsay.mathieson at gmail.com
Sun Oct 30 13:31:32 UTC 2016
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.
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