Thursday, 2015-06-25

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gsagieanyone from the neutron sprint mid-cycle is here?12:12
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openstackgerritMerged openstack/networking-ovn: Add .sw? to .gitignore  https://review.openstack.org/19531413:40
openstackgerritMerged openstack/networking-ovn: Remove random _ in code  https://review.openstack.org/19531213:40
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gsagiefrom the agenda i guess they are not going to work on OVN in the mid-cycle sprint :|15:18
gsagieor i got it wrong?15:19
russellbgsagie: i don't think anyone who's working on OVN went15:19
gsagierussellb : regarding your question in the mailing list, i will reply there but there are various DB's which support OVSDB features as far as i could see, for example: Redis, Cassandra, Aerospike, Voldemort  (Some have publish/subscribe at a seperate project but still..)15:21
* russellb nods15:21
russellbjust didn't know if you wanted to look at one in particular in some detail15:21
russellbi was also thinking about etc15:21
russellberr, etcd15:21
russellbthat seems hip these days :-p15:22
gsagieetcd/zookeeper/consul.io and such are very good for consistency but i am not sure regarding the size of data15:22
russellbi'm not sure either15:22
russellbOVN data isn't large, at least15:22
russellbsmall records, but lots of clients15:23
gsagieyes15:23
gsagiebut they are certinly good options depending on the data size15:25
russellbadmin port state support got merged for OVN, so i'm doing the networking-ovn part now15:25
russellbone test failure under control at least, heh15:25
gsagieok cool :) good job15:25
russellbgsagie: ben merged my first approach, he didn't seem to care about trying to disable the port with openflow15:28
russellbseems good enough for now so i'm just moving on15:28
gsagieyeah i saw, doesnt matter from the networking-ovn side anyway15:28
gsagiewant me to do it?15:29
gsagienvm, i will only be able to take it on sunday15:29
russellbnetworking-ovn side?  nah, i'll get it done today.15:30
russellbit's refreshing compared to digging through weird failures ... feels more productive :)15:30
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openstackgerritAaron Rosen proposed openstack/networking-ovn: WIP: Convert plugin away from ML2  https://review.openstack.org/19532616:17
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russellbovn meeting now in #openvswitch17:17
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russellbs3wong: my devstack hangs on creating a network, as well19:05
russellbdon't know what's happening yet19:05
s3wongrussellb: Oh good, so not just me then :-)19:08
openstackgerritRussell Bryant proposed openstack/networking-ovn: Add support for port admin_state_up  https://review.openstack.org/19570319:08
russellbs3wong: yeah :)19:08
russellbs3wong: weird that it doesn't happen in CI19:08
russellbs3wong: did you try Ubuntu?19:08
s3wongrussellb: Neutron default works, so it seems to be related to OVN for sure19:08
russellbright19:09
russellbi'm using Fedora 2219:09
russellbbut CI uses Ubuntu19:09
s3wongrussellb: yes, the first OS I tried was Ubuntu 14.0419:09
russellbs3wong: OK thanks19:10
s3wongrussellb: to give a more proper timeline, it started happening for me since weekend19:12
openstackgerritAaron Rosen proposed openstack/networking-ovn: WIP: Convert plugin away from ML2  https://review.openstack.org/19532619:12
openstackgerritAaron Rosen proposed openstack/networking-ovn: More skipped tempest tests  https://review.openstack.org/19570619:12
russellbonce upon a time i knew how to get a python backtrace in gdb ...19:15
* russellb tries to find the right thing to install19:15
russellbah, the python debuginfo package i think.19:17
* russellb debugs out loud19:17
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openstackgerritAaron Rosen proposed openstack/networking-ovn: More skipped tempest tests  https://review.openstack.org/19570619:59
openstackgerritAaron Rosen proposed openstack/networking-ovn: WIP: Convert plugin away from ML2  https://review.openstack.org/19532619:59
openstackgerritAaron Rosen proposed openstack/networking-ovn: Bump ovsdb_connection_timeout timeout as an experiment  https://review.openstack.org/19572319:59
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russellbotherwiseguy: o/20:24
russellbotherwiseguy: i'm having a fun ovsdb related issue ... in short, when you run devstack with OVN, neutron-server hangs when you try to create a network (devstack itself hangs when it tries to do initial network setup)20:25
russellbi've traced it down to: neutron.agent.ovsdb.impl_idl.Transaction.commit()  where it calls self.results.get()20:25
russellbthat's where it gets stuck20:26
russellbany ideas?20:26
russellbarosen: i guess you're not seeing this on your dev system?20:32
russellbsomeone else, s3wong, said he got this consistently on several different systems (ubuntu, fedora, aws linux)20:32
russellband it happens on my f22 devstack i spun up today20:32
russellb... well, i reverted neutron back to pre-vancouver, which i know worked, and i still see it, so it's something else20:41
arosenyou need to set API_WORKERS=0 in local.conf20:41
russellbwhat changed?  devstack?20:41
arosenthere is a patch on review that fixes this but it hasn't merged yet.20:41
arosenMaybe you only have one processor in your vm so it defaults to 1 for you?20:42
aroseni'm not sure.20:42
russellb4 vCPU VM20:42
arosenor if you apply: https://review.openstack.org/#/c/192279/20:42
arosenit could be a weird race I'm not sure to be honest.20:42
arosenIt's a problem how neutron-server  forks off multiple api workers before we connect to ovsdb i beleive.20:42
russellbok, i'll try API_WORKERS=020:43
russellbmy favorite thing ever is how long stack.sh takes to run20:45
arosen:)20:46
otherwiseguyrussellb: yeah, api_workers needs to be zero for now. I've got some patches that fix it. Doing the last iteration (hopefully) on them today/tomorrow.20:55
otherwiseguyrussellb: it's still *way* faster than packstack. :)20:56
otherwiseguy(devstack, that is)20:56
russellbargh, sure enough that did it21:15
arosenyay :)21:16
russellbi knew about otherwiseguy's patches, but i didn't connect this issue with that21:16
russellbbut yay for it being known21:16
otherwiseguyIt is known.21:16
openstackgerritRussell Bryant proposed openstack/networking-ovn: Set API_WORKERS=0 in local.conf.sample  https://review.openstack.org/19574621:17
russellbthere.21:17
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openstackgerritRussell Bryant proposed openstack/networking-ovn: Add support for port admin_state_up  https://review.openstack.org/19570321:27
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