Date: Fri, 22 Jun 2001 14:54:01 -0700 From: Sean Knox <Sknox@CQOS.COM> To: "FreeBSD Questions (E-mail)" <FreeBSD-questions@FreeBSD.ORG> Cc: Vincent Torres <Vtorres@CQOS.COM>, John Deatherage <Jdeatherage@CQOS.COM> Subject: mail/DNS server tweaks? Message-ID: <550B4D6FA776D3118D1D00902799170C60877A@CQOS1>
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Hello all, I've read several pages regarding tweaking the kernel and various sysctls to improve performance. I'm running a Exim mail server/Bind DNS server. I'd like to get advice from those in the community regarding further increasing performance. Currently, I've enabled SoftUpdates, increased maxusers to 128, remove some unnecessary drivers from the kernel, created a large, separate partition for /var, and increased TCP send/receive windows to 32K. What other performance tweaks do you all suggest? In fact, is increasing TCP send/receive windows to a higher value really a good idea in this case? I've read that increasing the window size(s) makes more efficient usage of large transfers, i.e. ftp. I figure since DNS and mail are generally dealing with many, small connections, this might not yield beneficial results. Comments? Sean To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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