I agree on the fewer bricks. Also see if you can use Infiniband. Best Regards Ivan On 10/2/12 11:29 PM, Robert Hajime Lanning wrote: > On 10/02/12 13:01, jason at combatyoga.net wrote: >> Basically, I'm trying to figure out if Gluster will perform better with >> more storage nodes in the storage block or if I would be better off >> consolidating the storage to a few of the systems and freeing up the >> resources for the email services on the remaining systems. I've had >> mixed results testing this in a KVM virtual environment, however it's >> getting down to the time where I need to make some decisions on ordering >> hardware. I do know that RAID1 and RAID5 do not compare apples to >> apples for performance, I'm looking for thoughts from the community as >> to which way you would set it up. > > With maildir, I believe that fewer bricks would perform better. The > maildir format tends to be readdir() heavy. Since Gluster does not > have a master index of directory entries, it has to hit every brick in > the volume. >
