Craig White wrote: > On Thu, 2007-10-25 at 09:58 +0800, Christopher Chan wrote: >> Les Mikesell wrote: >>> Christopher Chan wrote: >>> >>>>>>> I thought the usual ways of doing this were to either use a >>>>>>> high-performance NFS server (netapp filer...) and maildir format so >>>>>>> you can run imap from any client facing server, or to keep the >>>>>>> delivery host information in an LDAP attribute that you find when >>>>>>> validating the address. >>>>>>> >>>>>> This is the 'I have the money' way of doing this ;-) >>>>> There are at least 2 free ldap servers. Or if you are stuck with >>>>> mysql you can probably add your own field for delivery host. >>>> The service provider I used to work for tried openldap in 98. They got >>>> burned big time. Maybe it is up to the task today. What kind of >>>> hardware, though, would you use for one that the OP indicates will get >>>> a lot of writes? Everything I have read says LDAP is not for high >>>> write problems. >>> 1998 was a long time ago. Red Hat (fedora) directory server has claimed >>> good performce for several years now. >>> http://directory.fedoraproject.org/ >> Yeah, well, I guess the Fedora Directory server is unlikely to drop its >> entire datastore and will actually keep running but hey, are you going >> to migrate back to ldap if you have a system that is distributed across >> different mysql boxes running on cheap boxes and does its job? > ---- > what I can't figure out is why you are asking questions when you have > already decided answers...in part based on experiences from 10 years > ago. Well, I do not work for that service provider anymore...I was just putting forth the question they would probably ask... In any case, the money for hardware stands I believe unless Fedora Directory/OpenLDAP has really good performance in a heavy read/write environment versus mysql.