[Gluster-users] tuning

[Papp Tamas]

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