[Lustre-discuss] Single file write performance tuning

Parinay Kondekar parinay_kondekar at xyratex.com
Thu May 9 02:29:39 PDT 2013


You might want to take a look at -
http://wiki.lustre.org/manual/LustreManual20_HTML/LustreProc.html , (Lustre
IO tunables) if not already.




On 6 May 2013 23:57, Mike Ware <charnobyl3000 at gmail.com> wrote:

> Hi All,
> I am currently working on a 3 node oss cluster on centos 6.3 with lustre
> 2.3 with 12 osts on qdr infiniband.  This is just a test bed cluster at
> this point and will be further scaled out.  Currently my single file,
> single client write speed is about 840MB/s (tested with dd). I'm looking to
> get this up to 1300-1500MB/s with a multithreaded app to a single file from
> a single client. The file is currently striped across all osts. Does anyone
> have any tuning pointers to achieve this kind of performance for this setup?
>
> Thanks
> Mike
>
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