-------- Original-Nachricht -------- > Datum: Sun, 28 Feb 2010 11:09:20 +0000 > Von: Ed W <li...@wildgooses.com> > An: dovecot@dovecot.org > Betreff: Re: [Dovecot] any limitations running on a Mac?
> On 27/02/2010 10:08, Stan Hoeppner wrote: > > Terry Barnum put forth on 2/26/2010 4:20 PM: > > > > > >> The 500MB+, 5k+ message problem is with another mailserver not running > postfix/dovecot. It's the reason I've started investigating postfix with > your software and so far I"m very happy. > >> > > Hi Terry, > > > > If it is remotely a possibility, I'd recommend going with Linux instead > of > > OSX. Going Linux gets you access to the XFS filesystem which gives the > best > > overall performance for maildirs. It seems very likely that your > current > > production server is suffering at 5K files and 500MB mailboxen due to a > > deficient filesystem, among other things. I'm partial to Debian Stable > > (Lenny) myself. I use mbox with XFS due to the fact I archive all my > list > > mail and thus generate some pretty large mbox files, growing every day. > If > > I decide to switch to or add maildirs later, I've already got the > filesystem > > that performs best for both worlds. > > > > XFS offers some nice features such as resize of partitions and > snapshots, > I use XFS now over a decade but have never seen direct snapshot support in XFS. What version of XFS offers snapshot support? > however, it appears to sometimes need some tuning for small > file write applications? (adjust log buffers I think?). (Some people > have also suffered dataloss in the event of sudden powerloss - bad > interactions with the writeback cache.. Obviously likely with any > filesystem though) > > You might also want to benchmark Ext4 since it's apparently now > considered stable and easy to migrate from ext3. Google apparently are > migrating internally from ext2 to ext4 having benchmarked it to be > similar speed to XFS (for *their* workloads!) > > Ed W -- Sicherer, schneller und einfacher. Die aktuellen Internet-Browser - jetzt kostenlos herunterladen! http://portal.gmx.net/de/go/atbrowser
