[OpenAFS] Re: Anyone got a howto on tuning for a high latency network?
Tue, 21 Dec 2010 15:40:50 +0000
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 <email@example.com> wrote:
>>> I'm struggling with performance issues on a 300ms network link. Do
>>> anyone got a suggestion on how to tune this to its best?
>> If you see dropped fragments which trigger resends, try to set
>> RX_MAX_FRAG (the #define in the rx source) to 1.
> Isn't this effectively the default as of 1.4.mumble? You might just =
> 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)
> Andrew Deason
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