[Lustre-discuss] small file performance

[Aaron Knister]

That looks about right. Is there an ETA on it? Sadly we may have to  
switch file systems if we can't get the performance of small i/o to at  
least NFS speeds.

On Jan 4, 2008, at 9:55 AM, Brian J. Murrell wrote:

> On Fri, 2008-01-04 at 09:44 -0500, Aaron Knister wrote:
>> For whatever reason, searching my lustre mount (ls -R or find),
>> compiling code and other operations involving lots of small files are
>> painfully slow. There is no load on the filesystem other than my
>> various tests. I've disabled lnet debugging. Just to give you an idea
>> of how slow it is-- a ./configure of this particular code on a local
>> filesystem takes less than a minute. On lustre it's been running for
>> five minutes and is hardly half way through. An untar on the local
>> filesystem takes .9 seconds while that same untar takes 12 seconds to
>> our lustre mount. Any ideas for improving this?
>
> Perhaps bug 14010 is relevant.
>
> b.
>
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Aaron Knister
Associate Systems Analyst
Center for Ocean-Land-Atmosphere Studies

(301) 595-7000
aaron at iges.org