[Building Sakai] NeoChat for production use?
Alexandre Ballesté
alexandre.balleste at udl.cat
Tue Feb 19 04:33:32 PST 2013
Seeing these numbers I believe that it will work for us. Our big sites
are not highly concurrent used.
Alex.
On 02/19/2013 01:20 PM, Adrian Fish wrote:
> How many concurrent users? Each logged in user on a neochat enabled
> Sakai will be polling every 5 seconds. The requests don't take long,
> but still. If you expect 500 concurrent users you should probably
> cluster with 250 on each of two app nodes. I don't see any problem
> with those load levels.
>
> The only way to decrease the hit on the tomcats would be to start
> using websockets so the polling can be dropped. I don't think enough
> people are using websocket enabled browers yet for that to be
> feasible. You could increase the poll interval but this reduces the
> immediacy of the chat experience, thus defeating the object really.
>
> Adrian.
>
>
> On 19 February 2013 12:08, Alexandre Ballesté
> <alexandre.balleste at udl.cat <mailto:alexandre.balleste at udl.cat>> wrote:
>
> Did anybody try with big site? 5000+ users.
>
> Thanks!
>
> On 02/19/2013 01:05 PM, Juan José Meroño Sánchez wrote:
> > I did some performance testing on it for 2.9.0 and I didn't find
> issues,
> > I think the confluence page needs qualifying too, but not completely
> > remove the warning.
> > This feature (neochat) increases the number of requests sent to
> sakai,
> > so this needs a warning, but not a fatal message that will scare
> people.
> > Its also important to have people using the feature.
> >
> > Cheers.
> >
> > El 19/02/2013 11:50, Pablo San Roman Bengoetxea escribió:
> >> Hi all,
> >>
> >> We are interested in NeoChat but we have seen in the document
> of new
> >> funcionalities (
> >>
> https://confluence.sakaiproject.org/display/DOC/Sakai+CLE+2.9+Release+Notes+-+What%27s+New
> >> ) that it is not recommended for production, only for small scale
> >> exploration. We are not sure if this state continues so we
> would like to
> >> know if somebody is currently using NeoChat in production.
> >>
> >> thanks,
> >> Regards.
> >>
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> --
> Alexandre Ballesté Crevillén alexandre.balleste at udl.cat
> <http://udl.cat>
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