Sounds like a great use-case. What's the total updates/second you think you'll need for incoming events, and what's your average fan-out factor (eg, 1 incoming event goes to 10 subscribers)?
On Wed, Nov 3, 2010 at 2:20 PM, Vlad Trifa <[email protected]> wrote: > Yep, didn't look much at the server-side code, but the example is clearly > promising. I would be very interested how this could be implemented on a > massively scalable server back-end optimized for many concurrent RTW > interactions (seen stuff for tornado which is kinda promising), jetty also > has websockets support so could also be an interesting starting point. > > My main goal is to be able to stream LOTS of REAL-TIME (sensor) data (for > example the real-time location of all the buses in boston and track/monitor > them as soon as they emit their position to detect accidents for example), > fast (sub-second publisher to subscriber notification latency), and > especially various "streams" to LOTS of people (so not just 1"feed/stream" > pushed to thousands of people, but dozens of feeds to thousands of people). I > will be working on this the next few weeks and will share my thoughts here, > but any ideas on what you guys have tried or what platform should be a good > start to build this is more than appreciated (I'm most familiar with > java/php, so maybe something in this direction will be ever more exciting). > > Using websockets for displaying thousands of locations per second on a map > (from all 16'000 taxis in singapore) is impressively fast with a simple > hacked and totally non-optimized prototype php script as server, so I can't > wait to see this brought a the next level, which is a much more optimized > server to scale this with much more data! > > ideas to where to look for this totally welcome (just like any questions > comments :) > > Cheers! > > Vlad > > > > On 03-Nov-2010, at 11:52 AM, Brett Slatkin wrote: > >> Yes, Julien's example is great. I hope that we can being to >> standardize this approach in the coming months as WebSockets gets more >> widely deployed. >> >> On Wed, Nov 3, 2010 at 4:33 AM, Julien Genestoux >> <[email protected]> wrote: >>> Vlad, >>> We have a small example with this : http://julien51.github.com/socket-sub/ >>> and this http://julien51.github.com/socket-sub/maps >>> It's all on github. >>> Cheers, >>> >>> >>> On Tue, Nov 2, 2010 at 10:59 PM, Vlad Trifa <[email protected]> wrote: >>>> >>>> hi all, >>>> >>>> just saw the new "push" api for google with pubsubhubbub support, great >>>> thing! >>>> >>>> I was wondering if you guys have tried any implementation based on html5 >>>> websockets? I've started playing with this recently and I do believe >>>> there's >>>> definitely much that could come of a pubsubhubbub implemented on top of >>>> websockets and/or classic web hooks, especially as it seems pretty >>>> efficient, so I just want to make sure if any one of you has been playing >>>> with this, just so that we can go on in this direction. >>>> >>>> thanks a bunch for thoughts! >>>> >>>> Cheers >>>> >>>> Vlad >>>> >>>> >>> >>> > >
