[Lustre-discuss] Single file write performance tuning
jeremy.filizetti at gmail.com
Wed May 8 05:18:22 PDT 2013
If your need is just 1300-1500 MB/s you might want to use Lustre 1.8.9.
Your 840 MB/s seems consistent with the numbers I've seen for 2.3.61 but my
1.8.9 clients could do around 1.1-1.4 GB/s for the same dd. You'll need
checksums turned off on the 1.8 client. Single threaded IO is being
On Mon, May 6, 2013 at 2:27 PM, 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?
> Lustre-discuss mailing list
> Lustre-discuss at lists.lustre.org
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