Wednesday, 2020-02-05

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zhangchi#start meeting tricircle01:08
zhangchi#startmeeting tricircle01:08
openstackMeeting started Wed Feb  5 01:08:50 2020 UTC and is due to finish in 60 minutes.  The chair is zhangchi. Information about MeetBot at http://wiki.debian.org/MeetBot.01:08
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.01:08
*** openstack changes topic to " (Meeting topic: tricircle)"01:08
openstackThe meeting name has been set to 'tricircle'01:08
zhangchiGood Morning, welcome to tricircle bio-weekly meeting01:09
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zhangchi#This is Chinese New Year Mouse. We can still work at home01:13
zhangchiOur job issue right now here https://etherpad.openstack.org/p/tricircle-ussuri-plan01:14
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zhangchi#endmeeting02:36
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"02:36
openstackMeeting ended Wed Feb  5 02:36:46 2020 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)02:36
openstackMinutes:        http://eavesdrop.openstack.org/meetings/tricircle/2020/tricircle.2020-02-05-01.08.html02:36
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/tricircle/2020/tricircle.2020-02-05-01.08.txt02:36
openstackLog:            http://eavesdrop.openstack.org/meetings/tricircle/2020/tricircle.2020-02-05-01.08.log.html02:36
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liuyulong#startmeeting neutron_l313:59
openstackMeeting started Wed Feb  5 13:59:32 2020 UTC and is due to finish in 60 minutes.  The chair is liuyulong. Information about MeetBot at http://wiki.debian.org/MeetBot.13:59
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.13:59
*** openstack changes topic to " (Meeting topic: neutron_l3)"13:59
openstackThe meeting name has been set to 'neutron_l3'13:59
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liuyulongHi there14:00
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liuyulong#topic Announcements14:02
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liuyulong#link https://releases.openstack.org/ussuri/schedule.html14:04
liuyulongNext week is U-2.14:04
liuyulongOK, let's move on.14:06
liuyulong#topic Bugs14:06
*** openstack changes topic to "Bugs (Meeting topic: neutron_l3)"14:06
liuyulong#link http://lists.openstack.org/pipermail/openstack-discuss/2020-February/012332.html14:06
liuyulongFirst one:14:08
liuyulong#link https://bugs.launchpad.net/neutron/+bug/186167414:08
openstackLaunchpad bug 1861674 in neutron "Gateway which is not in subnet CIDR is unsupported in ha router" [Undecided,In progress] - Assigned to Zhengdong Wu (zhengdong.wu)14:08
slaweqhi, sorry for being late14:08
liuyulongslaweq, hi14:09
liuyulongFrom the response of the bug reporter, the HA router will lose one route rule in the namespace comparing to none-HA router.14:10
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liuyulongSo the test could be something like this: if the external network has subnet with IP range(CIDR) which does not include the gateway IP address.14:14
liuyulongThe HA router namespace will lose the route rule to gateway IP.14:16
liuyulongAnd then floating IP or SNAT traffic may not work.14:16
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liuyulongHere is my test:14:19
liuyulongopenstack network create --external public-test-114:19
liuyulongopenstack subnet create --subnet-range 192.168.5.128/25 --gateway 192.168.4.129 --network  public-test-1  public-test-subnet-114:19
liuyulongAccording to the information of the bug14:19
liuyulongOK, we should do some more test in detail.14:25
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liuyulongLet's move one.14:25
liuyulong#link https://bugs.launchpad.net/neutron/+bug/186103214:27
openstackLaunchpad bug 1861032 in neutron "[RFE] Add support for configuring dnsmasq with multiple IPv6 addresses in same subnet on same port" [Undecided,In progress] - Assigned to Harald Jensås (harald-jensas)14:27
liuyulongAnd its related rfe14:27
liuyulong#link https://bugs.launchpad.net/neutron/+bug/185585414:27
openstackLaunchpad bug 1855854 in neutron "[RFE] Dynamic DHCP allocation pool" [Wishlist,New]14:27
* haleyb is really late14:27
liuyulongIMO these IPv6 related requests make sense to me.14:28
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haleybwhen i talked to harald yesterday, he was waiting for a response from the dnsmasq maintainer on a proposed patch to make this possible14:30
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haleybwithout that it would be a large change to neutron to support multiple ipv6 addresses per port14:30
liuyulong#link http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2020q1/013743.html14:31
liuyulonghaleyb, this patch right?14:31
slaweqthere is new rfe proposed related to that one https://bugs.launchpad.net/neutron/+bug/186103214:31
openstackLaunchpad bug 1861032 in neutron "[RFE] Add support for configuring dnsmasq with multiple IPv6 addresses in same subnet on same port" [Undecided,In progress] - Assigned to Harald Jensås (harald-jensas)14:31
haleybliuyulong: no, there was another one, and simon responded today saying he was going to update14:32
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liuyulonghttp://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2020q1/013671.html14:33
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haleybhttp://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2020q1/013763.html14:33
liuyulong[Dnsmasq-discuss] [PATCH] DHCPv6 - Multiple reservations for single host14:33
liuyulongYep14:34
haleybeither way, i'd defer to harald, and he needs to wait on dnsmasq to see what work is needed in neutorn14:34
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liuyulongThis is interesting now, neutron is trying to request its dependency to make something 'new'.14:36
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liuyulongOK, we can continue the discuss in the LP.14:38
liuyulongNext one is related to OVN:14:39
liuyulong#link https://bugs.launchpad.net/neutron/+bug/186150214:39
openstackLaunchpad bug 1861502 in neutron "[OVN] Mechanism driver - failing to recreate floating IP" [High,Triaged] - Assigned to Maciej Jozefczyk (maciej.jozefczyk)14:39
liuyulongAccording to the LOG trace in the description, looks like a function param missing.14:40
haleybmaciejjozefczyk: are you working on that or need someone to take it?14:41
liuyulongNext also related to OVN14:41
maciejjozefczykhaleyb, I need to take PTO on next day. If someone will have a minute to take a look, I'm ok with that :)14:42
haleybmaciejjozefczyk: thanks, i'll see if it's just a simple change14:43
maciejjozefczykhaleyb, this is realted only to maintanance task, perhaps it needs an additional unittest14:43
haleybmaciejjozefczyk: ack14:45
liuyulongIt could be a easy one, " )14:46
liuyulong#link https://bugs.launchpad.net/neutron/+bug/186151014:46
openstackLaunchpad bug 1861510 in neutron "[OVN] GW rescheduling mechanism is triggered on every Chassis updated unnecessarily" [High,In progress] - Assigned to Maciej Jozefczyk (maciej.jozefczyk)14:46
liuyulongThis one could be related to the gateway rescheduling performance.14:47
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liuyulongLooks like a "thundering herd".14:47
maciejjozefczykliuyulong, yes, Im working on it right now.14:47
liuyulongmaciejjozefczyk, cool14:48
liuyulong#link https://review.opendev.org/#/c/705660/14:48
liuyulong^ this is the patch.14:48
maciejjozefczykliuyulong, The fix is about: 1) filtering unrelated events that are generated by ovn sbdb14:49
maciejjozefczyk2) verify and pass only needed logical router ports to be rescheduled14:49
liuyulongMaybe test cases should be added for it. : )14:49
maciejjozefczykliuyulong, actually I'm workign on unit/functional tests now :)14:49
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liuyulongHonestly, these OVN DB related changes are new to me, I may need sometime to learn it. : )14:51
liuyulongI'm in the reviewer list now14:52
liuyulongSo is this worthy to do the stable branch backport?14:53
maciejjozefczykliuyulong, Yes, that is needed. We found that actual solution could lead to kind of 'storm' of events.14:53
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liuyulongOK14:54
liuyulongBut this could be a cross project backport now.14:54
maciejjozefczykliuyulong, yes, We would need to backport it to networking-ovn.14:55
liuyulongNext one:14:55
liuyulong#link https://bugs.launchpad.net/neutron/+bug/186150914:55
openstackLaunchpad bug 1861509 in neutron "[OVN] GW rescheduling logic is broken " [High,In progress] - Assigned to Maciej Jozefczyk (maciej.jozefczyk)14:55
liuyulongmaciejjozefczyk, This is only in neutron right?14:56
liuyulongnetworking-ovn does not have such issue?14:56
maciejjozefczykThe fix that I'm proposing in previous patch also is related to the bug 1861509. Those need to be pushed together.14:57
openstackbug 1861509 in neutron "[OVN] GW rescheduling logic is broken " [High,In progress] https://launchpad.net/bugs/1861509 - Assigned to Maciej Jozefczyk (maciej.jozefczyk)14:57
maciejjozefczykliuyulong, networking-ovn also has this issue.14:57
maciejjozefczykI added two closes-bug tags to14:57
maciejjozefczyk#link https://review.opendev.org/#/c/705660/14:57
liuyulongYes, it is pointing to same fix14:58
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maciejjozefczykBoth needs to be then cherry-picked to stable branches.14:58
liuyulongSure14:58
liuyulongWe are out of time.14:59
liuyulongLet's end here.14:59
liuyulong#endmeeting14:59
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"14:59
openstackMeeting ended Wed Feb  5 14:59:16 2020 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)14:59
openstackMinutes:        http://eavesdrop.openstack.org/meetings/neutron_l3/2020/neutron_l3.2020-02-05-13.59.html14:59
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/neutron_l3/2020/neutron_l3.2020-02-05-13.59.txt14:59
openstackLog:            http://eavesdrop.openstack.org/meetings/neutron_l3/2020/neutron_l3.2020-02-05-13.59.log.html14:59
slaweqo/15:00
maciejjozefczyk\o15:01
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timburke#startmeeting swift21:00
openstackMeeting started Wed Feb  5 21:00:23 2020 UTC and is due to finish in 60 minutes.  The chair is timburke. Information about MeetBot at http://wiki.debian.org/MeetBot.21:00
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.21:00
*** openstack changes topic to " (Meeting topic: swift)"21:00
openstackThe meeting name has been set to 'swift'21:00
timburkewho's here for the swift meeting?21:00
kota_hi21:00
seongsoochoo/21:00
rledisezhi!21:00
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mattoliverauo/21:01
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tdasilvao/21:02
claygoh yeah sorry :D21:02
timburkei didn't update the agenda since last week, but i didn't really have much to add ;-)21:02
timburke#topic swift 2.24.021:02
*** openstack changes topic to "swift 2.24.0 (Meeting topic: swift)"21:02
timburkewe had a release!21:02
timburkebest swift yet :D21:02
kota_awesome!21:02
rledisezuntil the next one ;)21:03
timburkethanks for all the bug reports, patches, and reviews everyone!21:03
timburke#topic open discussion21:04
*** openstack changes topic to "open discussion (Meeting topic: swift)"21:04
zaitcevNot much going on with dark data, dsariel was working on adding a probe test.21:05
zaitcevOh, and21:05
timburkei saw that go by! still need to take a look21:05
zaitcevI have a customer with a medium sized cluster, they have object replicators seriously underperforming.21:06
zaitcevMaybe the inter-region links are overloaded, I don't know. Complete mystery.21:06
zaitcevAnyway, nothing to amaze RAX and Swiftstack people, but very curious for me. What I meant to say though, there's not much hooks for analysis of replicator performance that I see.21:07
timburkeinteresting. how many regions?21:07
zaitcevI am currently adding logger.debug(), it's at that level21:07
zaitcev221:07
zaitcevReplication factor 421:07
zaitcevfairly standard21:08
timburkeno write affinity, yeah?21:08
zaitcevNo21:08
zaitcevBut well, it's the replicator. What does it matter.21:08
zaitcevI'm not talking about PUT21:08
timburkewith affinity on, you're making a lot more work for the replicator to do21:09
zaitcevokay, but still.... It's crawling at about 40 seconds per partition21:09
zaitcevanyway, probably not something for the meeting21:09
timburkei does remind me how we really want to get ourselves more into the data path for replication, though... tsync! (someday)21:10
zaitcevI saw a whole bunch of interesting reviews and cannot keep up.21:10
timburkei've been a little head-down working on some latency issues that (i think) are related to container listings and general container load (though i'm not entirely clear on *why*)21:10
timburkekicked out p 706010 (and probably increases my prioritization of p 675014)21:10
patchbothttps://review.opendev.org/#/c/706010/ - swift - sharding: filter shards based on prefix param when... - 1 patch set21:10
patchbothttps://review.opendev.org/#/c/675014/ - swift - Latch shard-stat reporting - 6 patch sets21:10
zaitcevsomething about symlinks21:10
zaitcevAlso. Since I'm tracing replicator, I noticed it makes 2 REPLICATE requests for every partition, even empty ones.21:11
zaitcevI was on core for how many years now? An I still do not know how it works :-)21:12
claygI'm still trying to grok the last reported shard latch patch21:12
timburkefwiw, that still (rather often!) happens to me :-)21:12
mattoliverauI'll try and get to reviewing those sharding patches this week. Sorry I've been distracted21:13
timburkeworrying about whether your house is actively on fire (or recently so) seems like a good reason to be distracted, but a poor reason to be apologizing ;-)21:14
mattoliveraulol21:15
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claygzaitcev: should be REPLICATE (get hashes) rsync (sync data) REPLICATE (tell remote to recalculate data)21:15
zaitcevclayg, thanks, I see21:15
claygzaitcev: I feel like empty parts should see local hashes match the first value returned from get hashes and not do another one 🤔21:15
kota_clayg: that's what I think so21:16
timburkeoh, zaitcev! you might have ideas -- i still want to get probe tests running on py3 in the gate (p 690717) but i'm running into trouble getting pyeclib/liberasurecode installed21:17
timburkeon centos7 we just yum install from... somewhere... but that won't do for centos8, apparently21:18
zaitcevtimburke: sorry, I only know about our own context, where we pull those libraries from our repositories. Gate probably tries to pull from upstream, unless it's in bindep21:18
zaitcevwhat21:18
timburkei guess i could get libec installed from source... but surely there are packages built *somewhere* that we could use...21:19
timburkei guess: does anyone know which repo the centos7 image is using to install python-pyeclib (and thereby pulling in liberasurecode)?21:20
zaitcevHuuuh. I get liberasurecode installed, but not python-pyeclib.21:20
zaitcevI'll look into where RDO gets it.21:20
tdasilvahttps://cbs.centos.org/koji/buildinfo?buildID=1758221:20
zaitcevno, that's easy. Find PyECLib21:21
tdasilvalooks like 1.6 is going to be in ussuri, cloud-8 i'm assuming refers to centos8???21:21
tdasilvahttps://cbs.centos.org/koji/buildinfo?buildID=2793821:21
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zaitcev"Package python3-pyeclib-1.5.0-10.fc31.x86_64 is already installed."21:23
tdasilvahttps://cbs.centos.org/koji/buildinfo?buildID=2830221:23
zaitcevok, it's called "python3-pyeclib" in Fedora21:23
tdasilvapyeclib is still only in candidate21:23
timburkemmm... ok21:24
timburkei was also catching up on the mailing list this morning, noticed http://lists.openstack.org/pipermail/openstack-discuss/2020-February/012347.html that sounds like something i need to read more closely21:24
tdasilvai guess centos8 package would have to wait until red hat has a ussuri release21:25
timburkeso it's kinda chicken-and-egg, then :-/21:25
timburkemaybe i can get the liberasurecode playbooks to install from source -- something for me to look into, anyway21:26
timburkeoh yeah, speaking of the mailing list21:26
timburkehttp://lists.openstack.org/pipermail/openstack-discuss/2020-January/012167.html says tickets for vancouver are on sale!21:27
timburkehttp://lists.openstack.org/pipermail/openstack-discuss/2020-January/012239.html tells you about how *you* can help shape what content we see there21:27
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kota_oh yeah,21:28
tdasilvaat one point I was looking at https://wiki.centos.org/SpecialInterestGroup/Storage21:28
kota_the page is #link https://www.openstack.org/events/opendev-ptg-2020/21:28
timburkeif you're hoping to go and your employer is unlikely to sponsor it, look into the travel support program: https://wiki.openstack.org/wiki/Travel_Support_Program21:28
seongsoochoyay ~21:29
timburkelooks like the application link there is still for shanghai, but i'd expect an announcement on the mailing list when vancouver applications open up21:29
kota_it looks like `opendev` is from `forum` in the paste21:30
kota_past events?21:30
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rledisezdoes some people already know if they're going in vancouver?21:31
timburkelooks like my wife may have her own conference that same week, so i might have to have someone give the project update in my place21:33
mattoliverautimburke: or you just bring your swiftlets ;P21:34
kota_I'm planning to go there but need to get approval that is not so hard, maybe.21:35
zaitcevwhat an unorthodox idea21:35
rledisezme and alecuyer are currently waiting fpr approval21:35
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timburke👍21:36
timburkewe've got time; i'm sure plans will firm up more over the next month or two21:36
timburkeany other topics to bring up?21:36
timburkeall right then21:38
timburkethank you all for coming, and thank you for working on swift!21:38
timburke#endmeeting21:38
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"21:38
openstackMeeting ended Wed Feb  5 21:38:27 2020 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)21:38
openstackMinutes:        http://eavesdrop.openstack.org/meetings/swift/2020/swift.2020-02-05-21.00.html21:38
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/swift/2020/swift.2020-02-05-21.00.txt21:38
openstackLog:            http://eavesdrop.openstack.org/meetings/swift/2020/swift.2020-02-05-21.00.log.html21:38
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