[Lustre-discuss] Performance parameters

[Brian J. Murrell]

On Fri, 2008-06-06 at 16:45 +0200, Enrico Morelli wrote:
> Dear all,
> 
> which are the parameters that I can set to improve the
> lustre performance?
> 
> Because I have very worse performance using lustre 1.6.4.3.
> An 'ls' on a directory containing 1000 files gets 30s (on a NFS
> filesystem the same 'ls' gets 0.3s)
> 
> The same for a file creation/copy.
> On lustre:
> # time dd if=/dev/zero of=test.txt bs=1k count=1024000
                                     ^^^^^
Try increasing the block size to 1M.

What interconnect are you using between your client and servers?

b.

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