[Gluster-users] Performance

[Harshavardhana]

On 06/07/2010 02:36 PM, Todd Daugherty wrote:
> I included a bunch of other info. If there is anything else that will
> help solve this problem I am very interested in getting to the bottom
> of this. Side note I built a GlusterFS cluster (2.0.9) from RAM disks
> (10 gig /dev/ram0 bricks) That performs quite well but still much less
> than the backend /dev/ram0 bricks.
>
> Todd
>    
Todd,

      You need to increase the writebehind value to 8MB on each client 
volfile and read-ahead "page-count" to 8.

       Also set vm.swappiness = 0 through sysctl on both of the servers.

       Let us know how the performance shows, then we can tune things 
further.

Regards

-- 
Harshavardhana
Gluster Inc - http://www.gluster.com
+1(408)-770-1887, Ext-113
+1(408)-480-1730