Date: Thu, 16 Apr 1998 13:04:24 -0600 (MDT) From: Wes Peters - Softweyr LLC <softweyr@xmission.com> To: lrios@ziplink.net (lrios) Cc: stable@FreeBSD.ORG Subject: Re: Linux And FreeBSD Message-ID: <199804161904.NAA25961@xmission.xmission.com> In-Reply-To: <Pine.BSF.3.96.980416143919.1928E-100000@zip1.ziplink.net> from "lrios" at Apr 16, 98 02:49:28 pm
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lrios@ziplink.net asked: > Could someone please explain to me why a Linux 75 mhz machine kicks the > hell out of a FreeBSD with a Pentium II 266mhz 256M Ram and two ultra-wide > fast SCSI drives??? > > I love BSD but for performance reasons linux may be my choice. > > Any performance tips would be helpful... > > My linux machine puts out about 700 (locally)emails a minute while BSD > only puts > out about 200... my limits appear to configured properly. My kernel > options have been set.. Is there anything that I'm missing to get this > machine to work??? The only difference between the two is that the Linux > Box is working like a dog while the BSD box doesn't go above .05 load and > stays around 90 idle Mount your mail spool async and you'll makeup the difference. The linux filesystem does this by default. Not a great idea in the face of system crashes; async mounts tend to leave the disk scrambled beyond repair, but if Linux does it for you, FreeBSD with async is no worse. > What are the differences in memory managers between the two?? > I've got a consultant here trying to get linux to do everything but with > the numbers I'm seeing it's hard to stay loyal.. Please help!! Why would the memory managers have anything to do with an I/O bound process like email? -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC http://www.softweyr.com/~softweyr softweyr@xmission.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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