Date: Thu, 09 Feb 2006 09:58:59 +0100 From: Erik Norgaard <norgaard@locolomo.org> To: freebsd-questions@freebsd.org Subject: Re: Large imap server. Message-ID: <43EB0453.2030804@locolomo.org> In-Reply-To: <20060208170851.GA90120@alexis.mi.celestial.com> References: <20060207222202.GA8604@math.jussieu.fr> <43E9B39B.2070507@locolomo.org> <20060208170851.GA90120@alexis.mi.celestial.com>
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Bill Campbell wrote: > On Wed, Feb 08, 2006, Erik Norgaard wrote: >> AFAIK cyrus-imap uses a database backend to store mail and has been >> designed to scale to enterprise systems. The database backend makes >> indexing and mail lookup faster, but I don't think there's any >> difference when it comes to retrieving the actual mail. > > Cyrus scaling? Perhaps on one mongo server. We have installed > multiple servers with courier-imap delivering and serving pop and > imap from a central server housing home directories, and have > seen essentially linear performance as servers are added. > > One can index mail stores with something like glimpse, but that's > probably an issue only were there are huge numbers of messages in > individual folders. I don't claim that courier-imap does not scale, in fact, I don't claim anything about courier-imap at all. I simply remark that cyrus-imap has been designed to scale well and this is achieved by using a data base backend. Your comment does not prove me wrong: You seem to indicate that cyrus-imap doesn't scale and refer to a successful install of courier-imap. This doesn't make sense - that logic is flawed. You can only claim that you have found courier-imap scales fine. Well, that's good, then there is choice. Cheers, Erik -- Ph: +34.666334818 web: www.locolomo.org S/MIME Certificate: www.daemonsecurity.com/ca/8D03551FFCE04F06.crt Subject ID: 9E:AA:18:E6:94:7A:91:44:0A:E4:DD:87:73:7F:4E:82:E7:08:9C:72 Fingerprint: 5B:D5:1E:3E:47:E7:EC:1C:4C:C8:3A:19:CC:AE:14:F5:DF:18:0F:B9
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