[sakai2-tcc] Portal Chat stay off by default?

[Adrian Fish]

What issues? The only issues I've ever seen on the list were due to nodes
not being able to find each other. Juan's load testing, the only load
testing to have been done, highlighted that the poll interval should be
configurable and this was done. When he retested he didn't find any
performance issues. Another thing that was added, on Chuck's advice, was
inactivity detection which results in polling being suspended.

Where is the proof that it takes servers down?

Adrian.


On 13 September 2013 02:18, Aaron Zeckoski <azeckoski at unicon.net> wrote:

> Having a feature on which has been proven to take servers down because
> of performance issues is not OK. Requiring a sysadmin to scramble and
> restart their cluster to turn off something during a peak load time is
> not OK.
> We must think of the people running Sakai first.
> I think this needs to be voted on and I will be voting -1 for having
> it on in a release. If it should be on then fix the issues with it.
> Otherwise it should be off in every release until it works at scale.
>
> -AZ
>
>
> On Thu, Sep 12, 2013 at 9:04 PM, Charles Severance <csev at umich.edu> wrote:
> > It has always been on by default in trunk.  It is just off in 2-9-x
> >
> > I would say it should be on by default in 4.0 for the reasons Steve
> > mentions.
> >
> > /Chuck
> >
> >
> > On Sep 12, 2013, at 8:53 PM, Steve Swinsburg <steve.swinsburg at gmail.com>
> > wrote:
> >
> > Disabling new features by default, when they can easily be turned off, is
> > backwards IMO. Turn it on and IF a performance issue arises, let people
> turn
> > it off themselves. Otherwise new features are more difficult to surface,
> are
> > often skipped from an institution's QA process, and make bugs harder to
> > find.
> >
> > cheers,
> > Steve
> >
> >
> > On Fri, Sep 13, 2013 at 4:49 AM, Neal Caidin <neal.caidin at apereo.org>
> wrote:
> >>
> >> https://confluence.sakaiproject.org/display/TCC/TCC+CLE+Action+Items
> >>
> >> The folks on the TCC - CLECC call this morning have not been hearing
> about
> >> any large schools turning on portal chat. Due to performance concerns?
> There
> >> the thinking is that this would not be turned on by default for 2.10, at
> >> least.
> >>
> >> Sound right?
> >>
> >> Thanks,
> >> Neal
> >>
> >>
> >>
> >> Neal Caidin
> >> Sakai CLE Community Coordinator
> >> neal.caidin at apereo.org
> >> Skype: nealkdin
> >> Twitter: ncaidin
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
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> >>
> >
> >
> >
> >
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> >
>
>
>
> --
> Aaron Zeckoski - Software Architect - http://tinyurl.com/azprofile
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