Way to improve GlusterFS performance for serving rails applications?

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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?



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