[Gluster-devel] Handling huge number of file read requests

Anand Avati avati at zresearch.com
Fri May 4 14:07:52 UTC 2007


Amrik,
  can you send me your config files of both server and client?

regards,
avati

On 5/4/07, Amrik Singh <asingh at ideeinc.com> wrote:
> Hi Guys,
>
> We are hoping that glusterfs would help us in the particular problem
> that we are facing with our cluster. We have a visual search application
> that runs on a cluster with around 300 processors. These compute nodes
> run a search for images that are hosted on an NFS server. In certain
> circumstances all these compute nodes are sending requests for query
> images at extremely high rates (20-40 images per second). When 300 nodes
> send 20-40 requests per second for these images, the NFS server just
> can't cope with it and we start seeing a lot of retransmissions and a
> very high wait time on the server as well as on the nodes. The images
> are sized at around 2MB each.
>
> With the current application we are not in a position where we can
> quickly change the way things are being done so we are looking for a
> file system that can handle this kind of situation. We tried glusterfs
> with the default settings but we did not see any improvement. Is there a
> way to tune glusterfs to handle this kind of situation.
>
> I can provide more details about our setup as needed.
>
>
> thanks
>
> --
> Amrik Singh
> Idée Inc.
> http://www.ideeinc.com
>
>
>
>
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>


-- 
Anand V. Avati





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