[Dovecot] mail spool filesystem
mcguire at neurotica.com
Fri Aug 19 22:01:09 EEST 2011
FYI, my mail spools are on ZFS filesystems under Solaris on
UltraSPARC. It is lightning fast with 100+ dovecot imap processes
pounding away. I've not yet enabled compression and done the
copy/recopy dance, though.
On 08/19/2011 02:57 PM, Felipe Scarel wrote:
> I was not aware of that... I went with FUSE to test the deduplication
> feature of ZFS. I'll check out this link you've provided, many thanks Dave.
> On Fri, Aug 19, 2011 at 15:48, Dave McGuire<mcguire at neurotica.com> wrote:
>> On 08/19/2011 02:45 PM, Felipe Scarel wrote:
>>> I'm testing out ZFS-fuse on my new install (talked about it on the other
>>> thread), no issues so far. The builtin deduplication and compression sure
>>> help a lot, roughly 30% less storage space required so far.
>>> They don't advertise it as exactly "production" quality, but I'm willing
>>> try it out, we're doing regular backups. The mail system hasn't gone live
>>> yet though, so I'm a bit uneasy on the performance side of things under
>>> heavy load.
>> You are aware that there's a real in-kernel ZFS implementation under Linux
>> now, right? See http://zfsonlinux.org/. I've done some very basic
>> testing with it, and so far, it works. Going through FUSE is slower than
>> pissing tar; this implementation won't have that problem.
>> FUSE is useful for many things. Performance-sensitive filesystems on
>> production servers is oh-so-NOT one of them. ;)
>> Dave McGuire
>> Port Charlotte, FL
Port Charlotte, FL
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