How to speed up refresh for remote X11 displays via ssh

Andras Simon szajmi at gmail.com
Thu Apr 23 05:04:59 UTC 2009


On 4/23/09, Dave Feustel <dfeustel at mindspring.com> wrote:
> On Thu, Apr 23, 2009 at 02:00:00AM +0200, Andras Simon wrote:
>> On 4/23/09, Dave Feustel <dfeustel at mindspring.com> wrote:
>> > On Thu, Apr 23, 2009 at 01:15:44AM +0200, Kevin Kofler wrote:
>> >> Dave Feustel wrote:
>> >> > I now have X11 via ssh working on F9, but refresh of the remote X11
>> >> > window is extremely slow, even over a 1GB switch.  Is there a way to
>> >> > speed up the refresh?
>> >>
>> >> Are you using the -C (compress) switch to ssh? If you aren't, try it.
>> >>
>> >>         Kevin Kofler
>> >
>> > Using the -C flag and invoking XMaple, it takes 1'38" to load the
>> > initial screens. This over a 1G switch. The delay is repeated every time
>> > the maple windows need to be repainted. The delay makes remote X11 way
>> > too slow for XMaple.
>>
>> Something must be deeply wrong there. Here it takes 25 secs for the
>> main windows to get into a state where I can type in it. And that's
>> through a not blazingly fast adsl + wireless, on a netbook.
>>
>> Andras
>
> Are you running XMaple 12 in your test, or some older version?

Good question! It's v.9 only.

Andras




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