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Shared Document Editing High Latency with Jabberd [message #624639]

Fri, 19 December 2008 06:49

Felix Dorner

Messages: 676
Registered: July 2009

Senior Member

Hey,

we tried the shared editing feature yesterday and serious latency
problems.

My coworker typed, and *letters* appeared at a 30-second delay. We were
surprised, as we were using our company jabber server. Asked the admins,
it is 'jabberd', today I'll check which version. But anyway maybe
someone knows a quick fix for that.

We're using Eclipse 3.3 and the corresponding ECF package.

Thanks, I'd love to see this work.
Felix

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Re: Shared Document Editing High Latency with Jabberd [message #624640 is a reply to message #624639]

Fri, 19 December 2008 16:55

Scott Lewis

Messages: 1038
Registered: July 2009

Senior Member

Hi Felix,

Felix Dorner wrote:
> Hey,
>
> we tried the shared editing feature yesterday and serious latency
> problems.
>
> My coworker typed, and *letters* appeared at a 30-second delay. We were
> surprised, as we were using our company jabber server. Asked the admins,
> it is 'jabberd', today I'll check which version. But anyway maybe
> someone knows a quick fix for that.

I've very sorry to hear this. We've not had such poor throughput issues
with either Wildfire or gmail/google talk.

Thanks for letting us (and everyone) know. If there are others on this
list that are using jabberd successfully please let us know what
version, configuration, etc. I don't know of an immediate quick fix for
this, unfortunately. For some history about possibly related issues see:

https://bugs.eclipse.org/bugs/show_bug.cgi?id=237901
https://bugs.eclipse.org/bugs/show_bug.cgi?id=249096

>
> We're using Eclipse 3.3 and the corresponding ECF package.
>
> Thanks, I'd love to see this work.

Us too :). I can verify that it does work with decent performance
on/with several XMPP servers, but we don't have/don't currently have
access to running/testing with jabberd in our environment.

Thanks,

Scott

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Re: Shared Document Editing High Latency with Jabberd [message #624641 is a reply to message #624640]

Sun, 21 December 2008 14:50

Felix Dorner

Messages: 676
Registered: July 2009

Senior Member

Scott Lewis wrote:

> Us too :). I can verify that it does work with decent performance
> on/with several XMPP servers, but we don't have/don't currently have
> access to running/testing with jabberd in our environment.

Hi Scott, I can also confirm that its quite fast when I do it via google
talk. I'll try to convince our admins if we could further investigate
the issue with jabberd.

Thanks so far,
Felix

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Re: Shared Document Editing High Latency with Jabberd [message #624662 is a reply to message #624641]

Sun, 21 December 2008 22:43

Scott Lewis

Messages: 1038
Registered: July 2009

Senior Member

Hi Felix,

Felix Dorner wrote:
> Scott Lewis wrote:
>
>> Us too :). I can verify that it does work with decent performance
>> on/with several XMPP servers, but we don't have/don't currently have
>> access to running/testing with jabberd in our environment.
>
> Hi Scott, I can also confirm that its quite fast when I do it via google
> talk. I'll try to convince our admins if we could further investigate
> the issue with jabberd.

I don't know whether this is possible with the jabberd project, but
perhaps a bug could be filed in order to have this issue addressed in
the next version?

If you (or your admins) do this, then please let us know and I/we will
join the bug for support.

Thanks,

Scott

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Re: Shared Document Editing High Latency with Jabberd [message #624681 is a reply to message #624662]

Fri, 09 January 2009 07:19

Felix Dorner

Messages: 676
Registered: July 2009

Senior Member

Scott,

we had a look in our jabberd logs and seem to have found something
related. There seems to be a configuration option that prevents clients
from 'flooding' the server with a high amount of data. I don't remember
the log entry very well, but it said something about 'Karma'.

In the next weeks we'll have another shot, updates then.

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Re: Shared Document Editing High Latency with Jabberd [message #624702 is a reply to message #624681]

Wed, 14 January 2009 01:34

Scott Lewis

Messages: 1038
Registered: July 2009

Senior Member

Hi Felix,

Yes, please keep us up-to-date so we can tell/warn others. It sounds
like such a flooding option would probably do this.

Thanks,

Scott

Felix Dorner wrote:
>
> Scott,
>
> we had a look in our jabberd logs and seem to have found something
> related. There seems to be a configuration option that prevents clients
> from 'flooding' the server with a high amount of data. I don't remember
> the log entry very well, but it said something about 'Karma'.
>
> In the next weeks we'll have another shot, updates then.

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Re: Shared Document Editing High Latency with Jabberd [message #624709 is a reply to message #624702]

Sat, 07 February 2009 16:45

Felix Dorner

Messages: 676
Registered: July 2009

Senior Member

Scott, I gained root access to the machine that our jabberd runs on and
could scan the jabberd configuration. In fact, there's a section called
'karma' which serves to throttle data flow. I didn't remove that section
yet, but I guess pretty much that this causes the problems.

Felix.

Scott Lewis wrote:
> Hi Felix,
>
> Yes, please keep us up-to-date so we can tell/warn others. It sounds
> like such a flooding option would probably do this.

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