Does anyone allow unlimited or extremely large quotas?
brong at fastmail.fm
Tue Nov 16 17:30:37 EST 2010
On Tue, Nov 16, 2010 at 08:38:49AM -0500, Adam Tauno Williams wrote:
> On Tue, 2010-11-16 at 14:12 +0100, Rudy Gevaert wrote:
> > On 11/16/2010 12:30 PM, Dave McMurtrie wrote:
> > > Good morning,
> > > This may be slightly off-topic, so apologies in advance. Is there
> > > anyone out there who allows unlimited quota for their users or provides
> > > extremely large quotas when asked for?
> > > If so, can you describe any problems you've had with this?
> > We have users with > 5 GB.
> Our largest quota's a 4GB; without any issues.
Our biggest currently is about 30GB I think.
> I think the issue you will encounter first is clients will start to fall
> down when folders exceed a 'reasonable' number of messages. Common IMAP
> clients I've seen start to exhibit severe performance issues beyond a
> few hundred thousand messages.
On a 32 bit architecture: we had one folder with over a million messages
which was causing processes to run out of virtual memory trying to map
the cache file in. This wouldn't be a problem with a 64 bit userland.
> > We haven't seen any problems with them. The only general problem we
> > face is taking backups of a full store. It just takes very long to
> > complete full backups. (Of course that isn't tied to large or no quota.)
Nup - full backup would be a problem. We don't do them any more:
everything is context aware backups.
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