/srv/irclogs.ubuntu.com/2012/06/04/#ubuntu-testing.txt

cjohnstonlol.. she has Ambers sweater too09:48
cjohnstonuggh09:48
nanderssonHi, I saw the recording of Thomas Bushnell, Google on UDS. He made a strange remark. He said a reboot cost Google 1M USD - because they are tens of thousands of users and a reboot could take 15 min. This sounds strange. Does anybody know if they run their machines from NFS or something like that on Google???11:33
zyganandersson, maybe it means that it takes 15 minutes to reboot to a state you were in before11:35
nanderssonzyga, I dont know. He also said "A logout is only half of that". It seemed to me that everyone was connected to the same server via NFS or something like that.11:39
zyganandersson, again, perhaps that's the cost of going back to the all the open applications you are looking at11:39
PatrickDKa reboot of what?11:40
PatrickDKif a server, could be nfs, or http server, or many other things11:40
PatrickDKbut that sounds like you don't have a failover server setup, otherwise it would be a max, of a min, not 1511:40
nanderssonPatrickDK, reboot of the users operating system (Goobuntu). Yeah, 15 min seems like a very long time. That is why I thought they might boot their machines from NFS or something.11:41
PatrickDKstill doesn't matter, that is what failover is for11:42
PatrickDKI do iscsi boot, no local disks, and let that failover if I reboot the server11:42
nanderssonPatrickDK, Yeah, it could be that Zyga is right. He might refer to boot back to a former state.11:43
PatrickDKsounds just completely nuts, if it costs you 1million to reboot, why not have a hot standby? that has got to be cheaper than 1million, for it's life11:43
zygaPatrickDK, hot standby on my current desktop state?11:43
PatrickDKyes, but if your booting back to a former state, and another server is handling the load11:43
PatrickDKhow exactly could that add up to 1million?11:43
zygaand especially11:43
zygaI don't believe they meant servers11:44
PatrickDKoh for a user desktop?11:44
zygathe talk was about the desktop11:44
PatrickDKhow does that affect thousands of users?11:44
nanderssonYeah, it didnt make any sense to me either. The talk was very interesting though. http://www.youtube.com/watch?feature=player_embedded&v=fu3pT_9nb8o#!11:44
nanderssonYeah, it was about the desktop11:44
nanderssonIn the same talk Thomas Busnell made a lot of remarks on Ubuntu Automated Testing, but I wonder - does it make sense for Google to test to compile the source code at all times to see if it breaks, dependencies fail, or what is that purpose? I guess Google would mainly be interested in seeing that the binaries work, and doesnt break any dependencies, that upgrades works, etcetera. Are those functions incorporated in Ubuntu Automated Testing?11:57
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patdk-wkoh12:45
patdk-wkhe is talking total12:45
patdk-wk15min per user * thousands of desktops = 1Million cost12:46
patdk-wknot 1million per desktop12:46
patdk-wkor per reboot12:46
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stgraberplease ignore the new desktop images, they were just a mistake. 20120604.2 is still the one that needs testing18:45
balloonsstgraber, whew.. :-) I was wondering19:07
stgraberballoons: yeah, both slangasek and I were building the same images ;)19:07
balloonsstgraber, ohh, btw..  i guess we normally kill the dailies off during milestones, but now I can't get my reporting info for last week :-( Guess I need that db access19:08
stgraberballoons: I can mark them as "released" if you want, so they show up but are read-only19:08
balloonswell, I mean, the results are hidden from me and everyone else.. it's an interesting conundrum. I don't want to confuse people19:09
balloonsi've added it to my notes stgraber.. we'll discuss post-alpha 119:14
stgraberballoons: actually, can you pastebin that script (I don't seem to have it around anymore), I think it should be easy to have it look a the archived milestones too19:15
balloonsstgraber, d'oh! i'm too scatterbrained today.. lololololol19:17
balloonsI was thinking it WASN'T in the archived runs19:17
balloonshence, my issues with not being able to get at stuff19:18
balloonsI can pastebin the script anyways, if you'd like.. i started modifying it a bit, and then as we spoke about, decided it would be better to expend efforts towards getting a report into the interface itself19:19
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