Date: Tue, 24 Jul 2001 23:40:05 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Zhihui Zhang <zzhang@cs.binghamton.edu> Cc: vishwanath pargaonkar <vishubp@yahoo.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: cluster size Message-ID: <3B5E69C5.3D3C259E@mindspring.com> References: <Pine.SOL.4.21.0107231208270.15045-100000@opal>
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Zhihui Zhang wrote: > > Hi, > > in freebsd can we change the cluster size from 2048 > > bytes.If yes how can we do that? > > do we have to configure in some file? > > You must be asking why the mbuf cluster size is chosen as 2048, right? It > is probably a tradeoff between memory efficient and speed. Ask yourselves: "What is the minimum cluster size I would have to have to be able to contain the maximum MTU worth of data, yet remain an even multiple of sizeof(mbuf) -- 256 bytes?" -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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