On Tue, 24 Jul 2001, Terry Lambert wrote:
> 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?"
A dumb question: why even not odd multiple?
-Zhihui
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