On 2011-07-07 16:11, Joe Landman wrote: > > This is very dependent upon the IO patterns, driver, switch, port > contention, ... > > We do see 900+ Mb/s (it makes more sense to talk about this in terms > of MB/s). Best case you will see over a 1 GbE wire is about 117 MB/s > +/- some. To get there, you need to be doing large enough > writes/reads for it to be meaningful, not suffer port contention, and > a few other things. It's double of mine... > This is a complex and hard question to answer, and it involves a deep > investigation of your system, the IO patterns, etc. > As you can see, the servers can write their underlayer storage fast enough. But I'm not sure what can be do around the network stack. I'm also not a network expert:) I'm also don't know, what and show cache settings can be used well. Is there a pointer about them? The tuning wiki page only a list of settings. A guide for beginners would be very useful:) Thank you, tamas
