Date: Wed, 03 Jul 2013 17:19:02 +0100 From: TJ <tj@wallago.co.uk> To: freebsd-performance@freebsd.org Subject: Outgoing mail server performance Message-ID: <51D44EF6.8000307@wallago.co.uk>
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Hi Guys, i am looking for some advise to help get the best out of one of my severs. It is a Dell PowerEdge R420,32GB,2x8c CPU and igb nics. Its primary purpose is to send outgoing mail it can send up to 3 millon emails a day and it running exim. At the moment the only tweaks i have are: *Loader.conf* kern.maxproc=24676 ipc.maxpipekva=277118976 ipc.shmseg=256 *Sysctl.conf* kern.ipc.somaxconn=2048 net.inet.tcp.sendspace=131072 inet.tcp.recvspace=131072 inet.udp.recvspace=131072 defer_swapspace_pageouts=1 maxfiles=262144 maxfilesperproc=131072 inet.icmp.icmplim=0 ipc.shmall=16384 ipc.maxsockets=65536 inet.tcp.delayed_ack=0 inet.tcp.msl=30000 inet.tcp.slowstart_flightsize=4 ipc.nmbclusters=65536 pmap.shpgperproc=400 pmap.pv_entry_max=18828980 I am relatively new to FreeBSD and would appreciate some pointers on improving the performance of this server. Cheers TJ
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