[OpenAFS] Re: Anyone got a howto on tuning for a high latency network?

[Neil Davies]

Are you using a VPN tunnel? if so make sure that the MTU you are using =
is the right size to=20
fragmentation during the tunnelling process (made a lot of difference on =
our 150ms+ net)

On 21 Dec 2010, at 14:44, Andrew Deason wrote:

> On Mon, 20 Dec 2010 17:53:40 +0100 (CET)
> Harald Barth <haba@kth.se> wrote:
>=20
>>=20
>>> I'm struggling with performance issues on a 300ms network link. Do
>>> anyone got a suggestion on how to tune this to its best?
>>=20
>> If you see dropped fragments which trigger resends, try to set
>> RX_MAX_FRAG (the #define in the rx source) to 1.
>=20
> Isn't this effectively the default as of 1.4.mumble? You might just =
try
> fiddling with the -jumbo/-nojumbo options, though. (Usually turning it
> _off_ can result in speed gains, but who knows, maybe turning it on
> might help you)
>=20
> --=20
> Andrew Deason
> adeason@sinenomine.net
>=20
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