On Thu, 16 Feb 2006, Oliver Brandmueller wrote:
On Thu, Feb 16, 2006 at 10:03:59AM +0000, David Malone wrote:
I think in a situation where your network is fast and large amounts
of buffering do not imply high latency, then the inflight limiting
stuff probably isn't useful.
(I have some coworkers who reckon that inflight limiting can do the wrong
thing in other situations too, but they haven't had a chance to investigate
their suspicions yet.)
Maybe it's an idea to make this an per-interface value. On my local GigE NFS
network it might not be useful (well, maybe even lowering the performance),
while on another interface with lots of connects from all over the world
does a good job.
Dunno, it's probably not so easy to implement this, then.
Andre recently committed a change to CVS HEAD to disable inflight limiting
when the RTT is very small, as it runs into problems with clock resolution and
scaling of predicted bandwidth. I assume this will be merged to RELENG_6 in
the near future.
Robert N M Watson
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