[Gluster-users] GlusterFS Performance tuning
Pierre MGP Pro
pierre-mgp-jouy.inra at agsic.net
Tue Nov 24 21:31:39 UTC 2015
Hi Lindsay Mathieson and all,
Le 24/11/2015 21:09, Lindsay Mathieson a écrit :
> More details on your setup[ would be useful:
> - Number of Nodes
> - CPU & RAM on Each Node
> - What else is running on the nodes
> - Number of bricks
> - output of "gluster volume info" & "gluster volume status"
>
> - ZFS config for each Node
> * number of disks and rai arrangement
> * log and cache SSD?
> * zpool status
>
OK I have tested that kind of configuration, and the result depend of
what you are waiting for :
* zfsonlinux is now efficient, but you will not have access to the ACL ;
* on a volume with seven disk we get the maximum of the PCI Express
bandwidth ;
* so you can mount a distributed gluster volume with your zfsonlinux
nodes. The bandwidth will depend of the kind of glusterfs volume you
want to build : distributed, stripped, replicated ;
o replicated : bad, because of the synchronism write for the files
replication ;
o striped is the best because it allow you to get an average
bandwidth on a file whatever the node you R/W the file ;
* then the last, for me, is the Ethernet access between each nodes. If
you have 1Gb, get back to your sand box, At the year you need 10Gbs
and as the minimal Ethernet access is two port you need to bound them ;
* have 10 Gbs Ethernet switch ;
That the expressions of the needs for the now and future necessities.
sincerely
Pierre Léonard
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