Date: Tue, 28 Mar 1995 19:04:10 -0800 (PST) From: "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com> To: bugs@ns1.win.net (Mark Hittinger) Cc: hackers@FreeBSD.org Subject: Re: Mail... Message-ID: <199503290304.TAA00991@gndrsh.aac.dev.com> In-Reply-To: <199503290254.VAA04962@ns1.win.net> from "Mark Hittinger" at Mar 28, 95 09:54:00 pm
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> > > >>> Did your comment mean to imply that an Intel based FreeBSD > >>> providing what people would generally think of as acceptable response can > >>> support 500 mail accounts? I know of a local pubnix machine that is supportint approx 1200 accounts running FreeBSD 1.1.5, it has 32 dial up lines, and full internet connectivity. The work load is a lot more than just mail reading. 25,000 mail users scares me a bit, even if each user only had 100k of mail spooled up that would take 2.5Gbytes of disk just for the mail folders. If you assume only 1% of the folks attempt to get access there mail at once this is 250 interactive users, your going to need a lot of machine to handle that, but FreeBSD could handle it. (Last time I checked wcarchive.cdrom.com was supporting 400 ftp connections). > We have a windows based uucp front end called "win net" which handles > e-mail and news. We have thousands of customers sending and receiving > e-mail and roughly 70% of those subscribe to some subset of usenet > news groups. We've recently added a TCP/IP stack onto this product > so that we have an offline mail/news reader plus on-line web junk ect. News is easy, you only have 1 copy of the usnet articles to store. ``Thousands'' vs 25 thousand may not scale very well. > It is doable - and you might be surprised. FreeBSD is actually a bit > faster than some of the commercial Unix OS that we experimented with > as platforms for our service. 25k line /etc/master.passwd files scare me a little, I know we have had lots of problems in the past with this when people had more than a few hundred accounts. I do not know how well even the speedups that where made would deal with 25k user names. Has any one played with uid_t's >65536 and know that this all works?? > > Regards, > > > Mark Hittinger > bugs@win.net > -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Custom computers for FreeBSD
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