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#uml IRC Logs for 2007-03-14

---Logopened Wed Mar 14 00:00:13 2007
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08:48<jdike>Hi guys
09:24<dgraves>morning jdike.
09:24<dgraves>how's life?
09:24[~]dgraves got asked about smp again the other day.
09:24<dgraves>well, good.
09:25<jdike>working on it :-)
09:25<jdike>prolly about halfway through the SMP cleanup
09:25<dgraves>oh, nice!
09:25<dgraves>well, that'll cause an interruption as we upgrade uml. ;)
09:26<dgraves>i'm good at breaking everyone when i upgrade. :)
09:26<dgraves>we just had a guy here talking about RHEL 5 the other day.
09:26<jdike> -> 404
09:26<dgraves>seemed all excited about the virtualization.
09:26<jdike>awesome website
09:26<dgraves>jdike: not on my browser....
09:26<dgraves>i get directed to
09:27<jdike>We're Sorry
09:27<jdike>The page you are trying to access cannot be found. It has likely been moved or was deleted from this website. We apologize for the inconvenience.
09:28<dgraves>maybe my proxy has it cached?
09:28<jdike>I guess
09:28<dgraves>i mean, we are a hertz preferred customer. :)
09:28<jdike>all I'm trying to do is get a receipt so I can file an expense report
09:29<dgraves>well, that's why then.
09:29<jdike>receipt that I didn't get before because I had to run, and I made the 45-minute checkin time with a few minutes to spare
09:29<dgraves>i also got to fight the "no one is supporting uml" rumor again yesterday.
09:29<dgraves>that was fun.
09:29<dgraves>where did you drive to?
09:30<jdike>It was in portland
09:30<jdike>drove to a resort in WA where we had an offsite meeting
09:32<dgraves>heh. that's a very nice offsite meeting. :)
09:32<dgraves>wsa it a "good" meeting? :)
09:34[~]kokoko1 smell something..
09:36<kokoko1>Umm... The name of the release is Fedora 7, unlike previous ones which featured 'Core' in their names (e.g. Fedora Core 6)
09:36<kokoko1>24 May 2007 F7 General Availability
09:37<kokoko1>They are merging Core and extras
09:37<jdike>it rains 100% of the time there in the winter
09:45<peterz>F7 sounds like a key or racing class
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10:10<dgraves>i'm running the F7 kernel. ;)
10:10<jdike>vroom vroom
10:11<dgraves>kokoko1: we were discussing the server version, RHEL, not Fedora though.
10:28<dgraves>jdike: i think i'm gonna try overclocking the stock manifold and see if that speeds up my lap times any. :)
10:31<jdike>go for it
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12:27<jdike>NO GAMES
12:27<jdike>this is a serious channel
12:27<kokoko1>heh, ok boss
12:28[~]jdike scowls threateningly
12:29<the_hydra>jdike: ok, sorry, I didn't mean any game
12:30<jdike>jeez, some people take me entirely too seriously
12:30<kokoko1>next time we will do SYN , ACK thing :-S
12:30<jdike>The mating call of the internet
12:30<the_hydra>kokoko1: FIN
12:31<jdike>I guess that would be the breaking-up call of the internet
12:36<kokoko1>hehe yeah
12:39[~]the_hydra wonder why kokoko1 asked for a ping pong session....?!
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12:42<kokoko1>Nothing...just making sure # is not dead
12:43<the_hydra>kokoko1: btw, between Xen and UML, which one do you prefer for serving busy clients?
12:44<kokoko1>the_hydra, atm our critical services is running on UML....
12:45<kokoko1>UML was setup before our boss heard about xen.. not we have three xen host and three uml hosts
12:45<kokoko1>uml host uptime > xen
12:45<the_hydra>oh I see
12:46<kokoko1>mail, RT, ldap, jabber all running on UML
12:46<kokoko1>and ofcourse programmers development area is also UML
12:47<the_hydra>jdike: jeff, looks like you have a very very satisfied user here
12:47<the_hydra>kokoko1: send jeff a medal or something... :)
12:47<kokoko1>Yes... we got zero issues with UML, and on xen we are facing problem
12:48<jdike>I keep hearing that
12:48<kokoko1>recently we have tried to shift on of our RT to xen domU but it fails , then we have to run it on actaul host (dom0)
12:48<jdike>Xen sounds great on paper, but you hit problems as soon as you try using it
12:48<kokoko1>we got very taugh time with syncing domU clocks with dom0 on xen
12:49<kokoko1>on UML we never get these problem
12:49<kokoko1>heh you know I am the one responsible for UML and xen setups :-S
12:49<the_hydra>jdike: a bit political side, do you know that ex Xen SOurce founder is now Qumranet founder?
12:50<jdike>that's interesting
12:50<jdike>which one?
12:50<the_hydra>jdike: but certainly u know this name--> Moshe Bar?
12:50<the_hydra>if not, that really surprise me :)
12:50<jdike>but I didn't know he was a XenSource founder
12:50<jdike>thought he joined as CTO later
12:50<the_hydra>co-founder actually
12:51<the_hydra>so qlusters-> xensource --> qumranet
12:51<the_hydra>frst xen, now kvm
12:51<jdike>I hear mixed opinions about him
12:51<the_hydra>jdike: you're not alone
12:51<jdike>from great guy to flaming idiot
12:51<the_hydra>jdike: hahahhahaha
12:51[~]the_hydra rofl
12:52<the_hydra>jdike: if you ask guys like mulix, you will heard more
12:52<jdike>I know
12:52<the_hydra>but actually that's our past
12:52<jdike>You don't really have to ask
12:52<jdike>just approach the subject tangentially
12:53<the_hydra>but anyway, back to present day, kvm is in now, para virt is in... so, it would be a virtualization jungle?
12:53<kokoko1>jdike, do your employeer have any UML setup, i mean a host running some services?
12:53<jdike>inside Intel there are various UML setups
12:53<kokoko1>to check how's our employee doing :)
12:53<kokoko1>ah cool
12:54<jdike>but isn't running inside one :-)
12:54<kokoko1>hehe i know
12:54<jdike>like anywhere else, people look for the right tool for the job
12:54<jdike>and that is UML sometimes
12:54<kokoko1>i have tried to run our firewall under virtual but it was a big mistake
12:54<jdike>but that doesn't have anything to do with me working for Intel
12:55<kokoko1>traffic load on that firewall was something like 1500 users in peak hours
12:55<kokoko1>and under xen and uml it was giving lot of latency so i shifted it back to actaul host
12:56<kokoko1>the_hydra, firewall machine is celeron 433 with 128 RAM :)
12:57<kokoko1>but when i shifted it to 2.4Ghz 1 GB RAM virtual it become PITA :)
12:57<the_hydra>kokoko1: well sometimes you need the actual iron to do the job :D
12:57<the_hydra>kokoko1: sorry, what is PITA?
12:57<caker>(pain in the arse)
12:57<kokoko1>i learn my leason never run service which do lot of routing thing
12:58<the_hydra>caker: thanks man! :)
12:58<kokoko1>service under virtual imean
12:58<the_hydra>kokoko1: lot of routing? ok I'll keep that in mind
12:59<the_hydra>and since jeff is here, mind to explain why does that happen? too many context switch?
13:00<kokoko1>basically this firewall also route port 80 traffic to 5 of our proxy/cache server
13:00<kokoko1>if achieve this by using iptables + iproute2
13:01<kokoko1>now including default route it has to also route packats to 5 other routes
13:01<kokoko1>anyhow I run it 2 hours under virtual :)
13:01<caker>is the printk on arch/um/drivers/line.c:330 what I need to remove to get rid of all those "ioctl_line: ioctl FOOBAR called" messages?
13:04<the_hydra>route... hm, tap/tun bottleneck?
13:05<kokoko1>the_hydra, it was ISP firewall i can't waste much time when hundreds of clients calling your support that browsing sucks
13:06<the_hydra>kokoko1: ok... then actual metal is the best ! :)
13:08<kokoko1>Running a proxy/cache servers under virtaul is also not good :)
13:08<kokoko1>I tried it once which have to serve only 400 clients
13:09<the_hydra>too many I/O I think
13:09<the_hydra>jdike: not too close following UML devel recently, does UML support AIO now?
13:10<jdike>not in mainline
13:10<the_hydra>jdike: hm ok
13:10<the_hydra>jdike: -bs/-bb?
13:10<jdike>I don't see performance improvements, so I need to figure that out before sending it to mainlinee
13:11<jdike>patches.html on my site
13:12<kokoko1>off topic -- i love lighttpd
13:12<the_hydra>well qemu folks do think AIO will help... so I wonder, is this truly a matter of doing async read/write as many as possible, or is there other issues...?!
13:12<the_hydra>kokoko1: hm i see
13:12<kokoko1>recently migrated four apache's (which serving local fedora repos) to lighttpd
13:12<kokoko1>the_hydra, want to see lighty cool pages?
13:12<the_hydra>kokoko1: why not? :)
13:13<kokoko1>its company property :-S
13:13<kokoko1>ofcoures this is UML
13:14<the_hydra>ok wait
13:14<kokoko1>heh, i shifted these apache's to lighty without waiting for boss green signal... :-S
13:14<the_hydra>kokoko1: quite fast, I say
13:15<the_hydra>kokoko1: very impressive
13:15<kokoko1>the_hydra, good data center with plenty of bw counts :)
13:15<the_hydra>kokoko1: :)
13:15<kokoko1>this one in florida
13:16<the_hydra>i see
13:17<kokoko1>jdike, try lighty for :)
13:17<kokoko1>the_hydra, you knw also running on lighty
13:17<the_hydra>kokoko1: wow, I just know that
13:18<kokoko1>light footprint + httpd = LightTPD (pronounced lighty)
13:19<kokoko1>the_hydra, check who's running lighty
13:19<the_hydra>thanks man
13:19<kokoko1>isohunt man :D
13:19<kokoko1>i download craps (movies from this site)
13:21[~]kokoko1 wonders if jdike mention him to MPAA :(
13:21<jdike>If you want
13:21<jdike>I've got them on speed-dial
13:22<kokoko1>see see i can't aford DVDs that's why i download it for free
13:22<kokoko1>not my fault i love movies
13:23<kokoko1>Today i got Night.At.The.Museum :D
13:23[~]kokoko1 back to work
13:25<the_hydra>kokoko1: oh man, you are really bandwith s***er! :)
13:26[~]kokoko1 blushes
13:27<the_hydra>kokoko1: :)
14:05<kokoko1>see ya after one week :)
14:05<kokoko1>going home town to spend time with my parents
14:05<kokoko1>i'll be online from there too ;)
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14:27<the_hydra>jdike: really OOT, I read that tammy fox is no longer handling redhat magazine, do you know who's in charge now?
14:27<jdike>No idea
14:27<the_hydra>jdike: ok
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15:45<the_hydra>gtg all
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18:25<linbot>Announcement from my owner (michael): #orion
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---Logclosed Thu Mar 15 00:00:54 2007