On 10/20/2011 06:29 PM, Luis Cerezo wrote:
Hello gluster-verse!
I'm about to see if GlusterFS can handle a large amount of clients, this
was not at all in plans when we initially selected and setup our current
configuration.
What sort of experience do you (the collective "you" as in y'all) have
with a large client to storage brick server ratio? (~1330:1) Where do
you see things going awnry?
We've had up to 300 clients per brick ratios in the past. For large
files, we saw lots of contention. Contention drastically reduces
performance.
Most of this will be reads and locks on small files and dirs. our setup
is 3xstorage node servers in a pure distribute config.
You do not want to even consider small files ... this is not a good use
case for a cluster file system in general. The only real way to deal
with this is to put your backing file system on SSD or Flash, and have a
very fast network. Even then performance is not going to be that good.
--
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics, Inc.
email: [email protected]
web : http://scalableinformatics.com
http://scalableinformatics.com/sicluster
phone: +1 734 786 8423 x121
fax : +1 866 888 3112
cell : +1 734 612 4615
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