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

Joe Landman landman at scalableinformatics.com
Fri Oct 29 16:27:16 UTC 2010

On 10/29/2010 12:23 PM, Horacio Sanson wrote:

> The problem is that if I run any rails application when stored in the gluster
> volume it take minutes to start and then each page load take 5~10 secs. If
> instead I run the rails app from the local hard disk in the same machine it
> goes fast as thunder.

This sounds like a locking or a stat issue ... though there could be 
something else going on.

> To give an idea here is some output from rails log file:
> # Using gluster to store the rails application takes 5.6 secs to render a page
> Completed in 5645ms (View: 2948, DB: 46) | 200 OK
> # Using local storage it take 400ms to render the same page
> Completed in 401ms (View: 296, DB: 34) | 200 OK
> All machines (both storage and rails app) are connected to the same switch via
> 1GB ethernet and there is no other traffic in that switch (is isolated).
> The questions:
> Am I doing something wrong or missing something or is this expected?
> Are there any options I can set when mounting the partition to improve
> performance?

What do your client configs look like?

Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics Inc.
email: landman at scalableinformatics.com
web  : http://scalableinformatics.com
phone: +1 734 786 8423 x121
fax  : +1 866 888 3112
cell : +1 734 612 4615

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