On Thu, 22 Jul 2010 18:40:00 +0100
David Howells <[email protected]> wrote:

> Suresh Jayaraman <[email protected]> wrote:
> 
> > As it can been seen, the performance while reading when data is cache
> > hot (disk) is not great as the network link is a Gigabit ethernet (with
> > server having working set in memory) which is mostly expected.
> 
> That's what I see with NFS and AFS too.
> 
> > (I could not get access to a slower network (say 100 Mb/s) where the real
> > performance boost could be evident).
> 
> ethtool?
> 

There's also the "netem" thingy that allows you to add arbitrary
latencies to packets (for simulating long-haul network links).

-- 
Jeff Layton <[email protected]>
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