[Gluster-users] Way to improve GlusterFS performance for serving rails applications?
jacob at gluster.com
Fri Oct 29 20:00:40 UTC 2010
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.
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 ....]
> 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.
this message was sent from my 7 years old Dell D800
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