Re: linux<->solaris NFS performance questions

From: Aaron Denney (wnoise@ugcs.caltech.edu)
Date: Sat Jul 22 2000 - 17:26:45 EST


> The server runs 2.2.12 with usermode nfsd. "mount" says:

> The performance between linux and solaris is extremely bad, as has

> 1) How can this be? Is it the Solaris NFS implementation or the Linux
> NFS implementation?

The userspace NFSD is slow. There are also a few issues like filehandles
changing on cross directory rename(). The kernel NFS daemon is better.

> 3) Will another setup on the linux side improve things?
> Things that come to mind are:
> - tweak blocksize params

Might help.

> - run 2.2 with kernelmode nfsd

Will definitely help. I'd upgrade to the latest 2.2.17prepatch and apply the
NFS patches. See http://nfs.sourceforge.net/

> - run 2.3 or 2.4 (either userspace or kernelmode)

They are still flaky in many ways.

-- 
Aaron Denney
-><-

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