Camelia, the Perl 6 bug

IRC log for #bioclipse, 2010-08-19

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All times shown according to UTC.

Time Nick Message
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09:46 CIA-58 bioclipse.core: jonalv master * r8eb2865 / plugins/net.bioclipse.jasper/src/n​et/bioclipse/jasper/charCustomizer​s/DoseResponseChartCustomizer.java : made dose response curve shapes smaller circles - http://bit.ly/boainO
12:12 CIA-58 bioclipse.brunn: jonalv jasper * rcd4578b / (3 files): use shapes in does response curves - http://bit.ly/did6cJ
12:12 CIA-58 bioclipse.brunn: jonalv jasper * rf904fdd / (3 files in 2 dirs): fixed button for export action - http://bit.ly/959lYQ
12:13 CIA-58 bioclipse.brunn: jonalv master * rf904fdd / (3 files in 2 dirs): fixed button for export action (+19 more commits...) - http://bit.ly/959lYQ
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13:32 edrin hi
13:32 zarah hello edrin, you fantastic person you
13:33 masak o/
13:34 sneumann hi edrin,
13:35 sneumann I have a question that might lead into XMPP land
13:35 edrin hi
13:35 zarah privet edrin
13:35 edrin yes sure
13:35 sneumann Imagine I come up with some very clever algorithm, which takes a while (minutes to hours) to run
13:35 sneumann and I'd like to provide that to the world
13:36 sneumann I might get overwhelmed by the success, and have to build google-style datacenters in my basement
13:36 sneumann :-(
13:36 sneumann Now,
13:36 sneumann If instead I "publich" Amazon cloud images, that doesn't cost a cent,
13:36 sneumann and the users could start (and pay!) their own image, essentially running
13:36 sneumann the service for themselfes somewhere in the cloud.
13:37 sneumann How would their local client be able to locate the ressource (computer, IP Adress)
13:37 sneumann where the service is running ?
13:37 sneumann Does XMPP involve some central server,
13:37 sneumann where that recently started Amazon instance would register,
13:37 edrin I dont know how Amazon cloud infrastructure is built
13:38 sneumann think about a vmware virtual PC
13:38 sneumann which is run somewhere and you pay CPU hours
13:38 sneumann but it has a "random" IP adress.
13:38 edrin ah, i understand what you mean
13:39 sneumann So, if you placed Amazon-control into BC,
13:39 sneumann you could start your amazon server from BC and would know the IP adress
13:39 sneumann and send your query out,
13:39 edrin ok
13:39 sneumann but I am looking for a more "loose" coupling between client and servers
13:40 sneumann Woudl XMPP do that ?
13:40 edrin so you actually do not want to use Amazon
13:40 edrin yes
13:40 sneumann Well, we buy some compute cluster here locally,
13:40 edrin it is like:
13:40 sneumann but if there is peak demand, I'd like to outsource
13:41 edrin user@xmppserver.de <-> xmppserver.de <-> another-xmppserver.de <-> someservice.another-xmppserver.de
13:42 edrin it can also be like:
13:42 sneumann where the computation is performed by someservice.another-xmppserver.de
13:42 edrin user@xmppserver.de <-> xmppserver.de <-> someservice.xmppserver.de
13:42 edrin yes
13:42 sneumann and XMPP also does some simple queueing
13:42 sneumann and asynchronicity
13:42 edrin and the data is routed in XML style packages trhough the stream
13:43 sneumann what about access control ?
13:43 edrin sneumann: queueing and async depends on the XMPP protocol (extension) you use. i.e. our XEP-0244 does this
13:44 sneumann How do I prevent others from using my Amazon image ?
13:44 sneumann How do I prevent others from using my Amazon someservice  ?
13:44 edrin access control, as well as clustering ;), can all be done by configuring a xmpp server accordingly
13:44 sneumann Hm. Cool.
13:45 edrin actually this advantage is taken from the general features built in most XMPP servers...
13:46 sneumann apt-cache search XMPP | wc -l
13:46 sneumann 55
13:46 edrin 1. they have to keep track of > 10.000 tcp streams, therefore they supprt clustering
13:47 edrin 2. since some XMPP servers are for non open access usage there are diverse mechanisms to define who is allowed to connect/use services
13:47 edrin we described some scenarios here: http://www.ncbi.nlm.nih.gov/pubmed/19732427 :)
13:47 zarah edrin's link is also http://tinyurl.com/38jy45u
13:48 sneumann Thanks for your time, that'll keep XMPP for bioinformatics on my radar.
13:48 edrin if you need recommendations for a good XMPP server, ping me :)
13:49 sneumann I'll need the service first :-)
13:49 edrin actually we have a prototype implementation of IO Data XEP-0244
13:50 edrin i think the xws4j lib is really easy to use for publishing a service with it
13:51 sneumann s_wolf that might be our next small student-project :-)
13:51 edrin sneumann: and if you want to play with it a bit: http://pele.farmbio.uu.se/xmpp​-services/index.php/Main_Page
13:51 zarah edrin's link is also http://tinyurl.com/cevspc
13:51 sneumann to decouple MetFrag application from MetFrag library
13:53 edrin I actually tried the XMPP bioclipse plugin in the current Bioclipse release yesterday (it's available via the update option). It is still working and the test services are up and runing on the ws1.bmc.uu.se server
13:53 s_wolf \me is reading...
13:53 * s_wolf is reading
13:53 s_wolf ^^
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