[Gluster-users] Way to improve GlusterFS performance for serving rails applications?

[Horacio Sanson]

On Saturday 30 October 2010 05:00:40 Jacob Shucart wrote:
> It would be better to have the rails application files on the local disk
> and use the Gluster storage for images and other content that is uploaded.
> The main reason for this is that a single access on a rails application
> might result in the webserver having to read 20 small files.  When you add
> up the network latency for each of those small file requests, it can
> increase the load time by quite a bit.
> 
Thanks for the comment. I will then serve all dynamic content from the local 
disk and all static content (images, files, etc) from gluster mounted directly 
on the reverse proxy (nginx).

thanks,
> -----Original Message-----
> From: gluster-users-bounces at gluster.org
> [mailto:gluster-users-bounces at gluster.org] On Behalf Of pkoelle
> Sent: Friday, October 29, 2010 12:42 PM
> To: gluster-users at gluster.org
> Subject: Re: [Gluster-users] Way to improve GlusterFS performance for
> serving rails applications?
> 
> Am 29.10.2010 18:23, schrieb Horacio Sanson:
> 
> [ ... rails via gluster mount ....]
> 
> Hi Horacio,
> 
> > The questions:
> > 
> > Am I doing something wrong or missing something or is this expected?
> 
> I don't think you are doing something wrong. We tried the same (serving
> rails apps off of gluster mounts) and performance was terrible. Since
> there is no lock manager in gluster, the gluster client needs to check
> all server nodes when the file is accessed locally. This kills
> performance with many small files.
> 
> cheers
>   Paul

-- 
regards,                                                                                                                                                                                                       
Horacio Sanson