[Gluster-devel] how best to set up for performance?
nialldalton at mac.com
Sun Mar 16 22:35:43 UTC 2008
On Mar 16, 2008, at 12:46 PM, Anand Avati wrote:
> You might want to try specifying
> 'option window-size 2097152' in all your protocol (client and
> server) volumes.
> Also, you might also want read-ahead on the server (over iothreads)
> with the same page-size as the client, but higher page-count.
It seems that I'm not at all diskbound. When I repeatedly dd a 10GB
from from the 16GB memory of one of my storage servers I consistently
max out at around 390MB/s with _zero_ disk io involved. I imagine I'm
doing something wrong in terms of juggling cache sizes, io threads,
readahead sizes etc that is causing this? Or is there some other OS
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