UFS+J panics on HEAD
killing at multiplay.co.uk
Thu May 24 20:29:50 UTC 2012
On 24/05/2012 00:05, Mark Linimon wrote:
> On Wed, May 23, 2012 at 10:58:48PM +0100, Steven Hartland wrote:
>> > While it might be a shame to see FFS go by the wayside are there any
>> > big reasons why you would rather stick with FFS instead of moving
>> > to ZFS with all the benefits that brings?
> - ZFS eats bytes for breakfast. It is completely inappropriate
> for anything with less than 4GB RAM.
> - ZFS performs poorly under disk-nearly-full conditions.
>> - ZFS is not optimal for situations where there are a lot of small,
>> randomly dispersed IOs around the disk space. Like in any sort of
We actually use it in very random high IOP's applications with small
requests, so high standard disk's aren't even an option so SDD's all
the way and we see nice performance.
I can't say we've compared it to say FFS as that simply doesn't provide
the management tools we needed so wasn't even considered, but its far
from shabby in our environment :)
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