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Date: Tue, 08 Mar 2005 17:40:44 -0800
From: Peter Kieser <pfak@telus.net>
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To: Peter Hessler <phessler@coverity.com>
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cc: freebsd-performance@freebsd.org
Subject: Re: NFS small files
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Copying single files are always going to take longer, because the drive 
has to seek more thus latency is introduced.

--Peter

Peter Hessler wrote:

>I'm setting up an NFS server to be used for compiling, and it seems that
>while speeds are acceptable for large files, small files take much
>longer than expected.
>
>Copying 10000 16K files (in a directory) takes 54seconds, while copying
>a 170M single file takes 5s.
>
>Are there any tricks for speeding up small file performance?  I'm
>willing to give up large file performance.
>
>/etc/sysctl.conf:
> vfs.vmiodirenable=1
> kern.ipc.somaxconn=2048
> kern.maxfiles=65536
> net.isr.enable=1
>
>/boot/loader.conf:
> kern.ipc.nmbclusters=32768
>
>Kernel Conf:
> include GENERIC
> ident NFS
> options DEVICE_POLLING
> options HZ=1000
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