[JDEV] Distributed design of jabber

[Colin Madere]

temas,

Any chance you could give us a quick run-down of what dpsm does and how it
should be used?  I scanned the source and such, but it would be nice to get
a clear picture from the author about it :)

colin

> -----Original Message-----
> From: temas [mailto:temas at box5.net]
> Sent: Wednesday, May 02, 2001 1:22 PM
> To: jdev at jabber.org
> Subject: RE: [JDEV] Distributed design of jabber
> 
> 
> dpsm is me.  It works right now (requires kernel module for devpoll
> support).  It's not fully tested, but that should be 
> happening more this
> week.  Give it a go and help develop it and I'll love you =)
> 
> Not sure on mod_farm right now, haven't looked in a while.
> 
> --temas
> 
> On 02 May 2001 09:56:50 -0500, Colin Madere wrote:
> > Another note:
> > 
> > According to jabber.com, they charge based on concurrent 
> users on the
> > server.  Currently they are in a state which it is not 
> profitable for them
> > to deal with small companies(they didn't really give me a number) or
> > companies that did not have a _gaurenteed_ high number of 
> concurrent users.
> > 
> > Going on three weeks now that I'm waiting for answers to 
> technical questions
> > to see if the jabber.com server is a viable solution for my company.
> > 
> > IOW, until they get some big sales and can beef up on 
> resources (read: more
> > employees), I wouldn't waste your time or theirs unless you 
> have a need for
> > a server (and can afford it - once again, I didn't get any 
> prices) that will
> > have a constant concurrent user count above 10K (that's my 
> guess, since they
> > didn't give me any solid numbers).
> > 
> > (Don't get me wrong, I understand their need to focus on 
> customers that can
> > bring in the big cash until they have good income and are 
> stabilized)
> > 
> > WHILE I'm on the subject, hey JER and whoever else has 
> worked on it, what's
> > the status of dpsm and.... 'mod_farm' is it?
> > 
> > > -----Original Message-----
> > > From: dizzyd at dizzyd.com [mailto:dizzyd at dizzyd.com]
> > > Sent: Wednesday, April 25, 2001 8:24 PM
> > > To: jdev at jabber.org
> > > Subject: Re: [JDEV] Distributed design of jabber
> > > 
> > > 
> > > Lemme just translate this marketing stuff to engineering speak:
> > > 
> > > > >"Enables Distributed Processing across multiple server 
> > > "farms" which in
> > > > >  turn may support multiple CPUs."
> > > 
> > > Jabber.com reworked the server to be pre-emptively multi-threaded
> > > (pthreads). Additionally, some work on JSM was done to 
> permit multiple
> > > JSMs to be fully meshed across a network. 
> > > 
> > > > >"Allows components of a Jabber server to be distributed 
> > > across multiple
> > > > >  machines, enabling a greater degree of inherent redundancy."
> > > 
> > > Not sure what this means. :) 
> > > 
> > > > >"Enables groups of "socket" connections to be 
> distributed across
> > > > >mini-servers
> > > 
> > > The component formerly known as jpoll. Open source now has an
> > > equivalent called dspm (or dpsm, never can get it straight).
> > > 
> > > As it stands, j.com has pretty much rewritten most of jabberd 
> > > to be super
> > > efficient and thread-safe. This was _not_ a minor 
> undertaking, but was
> > > well worth the effort. Jabber.com provides a super-fast, 
> fully QA'd
> > > and peer-reviewed implementation of jabberd/jsm/etc. They've 
> > > worked very
> > > hard to make it scalable and robust. :) Doing these sorts 
> of things
> > > (scalability and robustness) have not been things that 
> the Open Source
> > > movement has shown much interest in this far (with good 
> reason). Very
> > > few people need to run a Jabber server for 200k+ concurrent users;
> > > these are (some of) the people that Jabber.com caters to.
> > > 
> > > Hope that helps. :)
> > > 
> > > Diz
> > > 
> > > _______________________________________________
> > > jdev mailing list
> > > jdev at jabber.org
> > > http://mailman.jabber.org/listinfo/jdev
> > > 
> 
> 
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