Monday, 2020-06-01

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seongsoochoPTG week!05:04
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kota_PTG!11:50
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tdasilvaHello! Iā€™m going to be a bit late to the PTG meeting.12:41
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kota_tdasilva: o/12:52
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timburkegood morning, good afternoon, good evening!13:06
seongsoochoHi !!13:09
seongsoochoProbably most of the time I will just listen to the discussion, but I'm happy to be able to meet virtually.13:12
mattoliverauo/13:17
timburkeseongsoocho, not to worry! i'd love to hear from you during the operator feedback session, though, if nothing else :-)13:18
mattoliverauseongsoocho: that's fine! sit back and if you feel like you want to add anything then fire away. Remember there are no stupid questions, I should know, if there were such a thing they'd be my questions ;)13:18
timburkemattoliverau, i was thinking of trying to have a dedicated "no stupid questions" time block :D13:20
seongsoochotimburke:  mattoliverau  thank you !!!  I'm always grateful to all of you.13:20
timburkeotoh, i also felt like that should be our default mode13:20
mattoliverau+1 it's definitely my default mode. But it can be hard to ask questions in a group, so might be a nice way to make new peaple more comfortable.13:26
mattoliverauAlso, having a virtual PTG feels kinda weird. But glad we could still do something13:26
timburkeso we've got a Zoom meeting room book for about 30mins from now: https://www.openstack.org/ptg/rooms/liberty13:27
timburkehas everyone had a chance to try it out, make sure it'll work for them?13:27
timburkeas a fallback, we could use https://meetpad.opendev.org/swift-ptg-victoria which didn't need any new software installed (and has the side-benefit of being integrated with the PTG etherpad)13:29
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kota_timburke: thanks for the instuction13:32
* kota_ is going to brew a coffee, then try the zoom in 15 minutes.13:33
timburkethat might also be handy if we want to continue discussions after our booked slots13:36
kota_i see13:40
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zaitcevGuys13:59
timburkezaitcev, o/13:59
kota_we're in zoom13:59
zaitcevI'm not getting it. How do we select the proper channel in Zoom. Is there a number?13:59
timburkehttps://zoom.us/j/94203142320 i think it's the last part of that url?14:00
zaitcevAnd the meeting password is... Let me guess. Either "Victoria2020" or "Swift"?14:02
timburkeoh! right. PTG202014:02
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kota_etherpad https://etherpad.opendev.org/p/swift-ptg-victoria14:05
openstackgerritClay Gerrard proposed openstack/swift master: Better functest quarantined  https://review.opendev.org/73238414:21
zaitcevCold anyone copy-paste?14:42
zaitcevhttps://review.opendev.org/#/c/706653/ ?14:42
patchbotpatch 706653 - swift - Let developers/operators add watchers to object au... - 12 patch sets14:42
openstackgerritClay Gerrard proposed openstack/swift master: Better functest quarantine cleanup  https://review.opendev.org/73238414:43
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seongsoochozaitcev:  I have a question about what the dark data mean.. As I understand, the dark data is the object which is existed in object server but doesn't existed in container server's database?15:21
zaitcevseongsoocho: pretty much15:23
zaitcevthe name comes from the dark matter, where we know that it exists (e.g. by df(1)), but have no direct observation of it.15:24
zaitcevthe annoying part is that the client cannot access and delete those objects15:24
* kota_ hits unstable internet for a short while15:25
seongsoochozaitcev:  i see.  Thank you for the explanation.15:25
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timburkehttps://wiki.openstack.org/wiki/Swift/Etherpads15:48
kota_+115:49
timburkehttps://review.opendev.org/#/c/695131/15:51
patchbotpatch 695131 - swift - func tests: work with etag-quoter on by default - 7 patch sets15:51
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claygnot terrible šŸ‘16:00
timburkemight be able to use something like https://www.tutorialspoint.com/whiteboard.htm -- it's not shared, but someone could shared a screen...16:15
timburkeor maybe https://whiteboardfox.com/ so multiple people can draw?16:18
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timburkemade an etherpad for tomorrow's ops feedback session: https://etherpad.opendev.org/p/swift-victoria-ops-feedback16:27
timburkefeel free to start populating it today16:28
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seongsoochošŸ‘16:38
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openstackgerritTim Burke proposed openstack/swift master: Add support for cacert plumbing via cafile in the test.conf  https://review.opendev.org/47042718:04
openstackgerritTim Burke proposed openstack/swift master: Enable TLS for DSVM job  https://review.opendev.org/73243118:04
claygtimburke: so the idea with lp bug #1881210 is that unsharded primaries will push the object-server update to async until they get a db from another primary - and shards should do the same?18:20
openstackLaunchpad bug 1881210 in OpenStack Object Storage (swift) "Shard DBs should not get created in response to an object update" [Undecided,In progress] https://launchpad.net/bugs/188121018:20
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zambais this channel for discussions/help for swift?18:45
zaitcevUse /topic18:53
zaitcevOr, rather read the topic, zamba.18:53
zambaso no help, or?18:55
zaitcevJust ask already18:56
tdasilvazamba: yes, this is the channel for discussion/help for openstack swift19:09
tdasilvafeel free to drop questions here, people might not be able to get back to you right away because of time zones, but usually people respond :D19:10
tdasilvaeventually19:10
zambaok, because i had a question yesterday about accessing cloud archive object store from ovh19:26
rledisezhi zamba19:27
rledisezcloud archive from OVH (i'm from OVH) is not meant for hot data that you want to access immediatly, which is, I assume, s3ql is trying to do. You should use object storage19:28
rledisezif you need more information, you can either talk to me directly of contact the support (let's not turn this channel into OVH support ;) )19:29
timburkeclayg, yeah, exactly -- and the only reason that shard *don't* behave that way is that we were piggy-backing off our reserved namespace19:40
openstackgerritTim Burke proposed openstack/swift master: wip: watcher ideas  https://review.opendev.org/73244119:40
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openstackgerritTim Burke proposed openstack/swift master: Enable TLS for DSVM job  https://review.opendev.org/73243120:17
timburkešŸ¤” we should maybe turn down some of the logging in the DSVM job -- just realized that p 722550 added ~60MB to the size of the screen-s-proxy.txt that gets uploaded20:22
patchbothttps://review.opendev.org/#/c/722550/ - swift - swift-dsvm: Enable s3api (MERGED) - 8 patch sets20:22
timburkeotoh, think of how great it is that we aren't running an extra copy of that job now!20:22
openstackgerritTim Burke proposed openstack/swift master: wip: watcher ideas  https://review.opendev.org/73244120:32
openstackgerritMerged openstack/swift master: Better functest quarantine cleanup  https://review.opendev.org/73238421:05
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openstackgerritMerged openstack/swift master: ratelimit: Allow multiple placements  https://review.opendev.org/72905121:25
claygtimburke: how much ram do you use on your vsaio?21:35
claygI'm thinking about going up to 4GB21:35
claygi blame focal šŸ˜21:36
claygor probetests šŸ¤”21:36
timburke2G, looks like. gotta admin, though, i'm back on bionic atm -- wanted something so i could test p 47042721:40
patchbothttps://review.opendev.org/#/c/470427/ - swift - Add support for cacert plumbing via cafile in the ... - 5 patch sets21:40
timburkegotta admit*21:40
openstackgerritTim Burke proposed openstack/swift master: Enable TLS for DSVM job  https://review.opendev.org/73243121:47
claygso to get a basic sharded db, do you have to set shard_container_threshold?  or just find_and_replace --enable and then run the sharder?21:47
timburkeclayg, you can just do a find_and_replace with a really low value. if you've got a high-ish shard_container_threshold set and autosharding enabled, the sharder might try to shrink shortly after breaking it up, but it shouldn't matter too much for p 73165321:49
patchbothttps://review.opendev.org/#/c/731653/ - swift - Don't auto-create shard containers based on object... - 1 patch set21:49
timburkei'd wanted to write a probe test for that one, but it seemed to get messy pretty quickly21:50
* timburke is fixing up p 69513121:55
patchbothttps://review.opendev.org/#/c/695131/ - swift - func tests: work with etag-quoter on by default - 7 patch sets21:55
openstackgerritTim Burke proposed openstack/swift master: func tests: work with etag-quoter on by default  https://review.opendev.org/69513122:04
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claygtimburke: so but... swift client does a PUT before every upload šŸ¤”22:18
clayga *container* PUT22:18
timburkeyup :-/ i've been meaning to add a --skip-container-put option to that guy... i keep forgetting about it though22:18
timburkeoh man, p 732431 is a hoot! reminds me how much i don't like running swift behind apache -- finally got the cert stuff right, 233 failures. at least some of them seem to repro https://bugs.launchpad.net/python-swiftclient/+bug/1621581, there are 400s all over the place... this is fun22:27
openstackLaunchpad bug 1621581 in python-swiftclient "swiftclient returns response headers without 'Content-Length' param, thus causing upload object to fail" [Undecided,Invalid] - Assigned to Arun Mani (arun-mani)22:27
patchbothttps://review.opendev.org/#/c/732431/ - swift - Enable TLS for DSVM job - 3 patch sets22:27
timburkei think that's getting tabled for now. i think it gives me verification that p 470427 works, though!22:28
patchbothttps://review.opendev.org/#/c/470427/ - swift - Add support for cacert plumbing via cafile in the ... - 5 patch sets22:28
openstackgerritTim Burke proposed openstack/swift master: func tests: work with etag-quoter on by default  https://review.opendev.org/69513122:32
claygyou have to run the sharder like *a lot* to get all the shards from identified to cleaved to active22:46
claygit'll only do two per pass or something right?22:47
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timburkeyup -- though you can change that with cleave_batch_size22:49
claygis that the number of shard rows or just how fast it does it shard?  my shards are super small22:52
claygoh, that's the number of "ranges_done" šŸ‘22:54
claygtimburke: so I put a +2 on p 731653 and I'm pretty sure it works23:26
patchbothttps://review.opendev.org/#/c/731653/ - swift - Don't auto-create shard containers based on object... - 1 patch set23:26
clayg... but it's late for me; so I was gunna stew on it23:26
claygit'd be nice to get a third opinion if anyone wanted to think about a sort of interesting consistency issue...23:26
timburkei know mattoliverau was interested in taking a look, though if rledisez is getting interested in sharded containers, he might want it before *his* users start complaining, too ;-)23:29
openstackgerritMerged openstack/python-swiftclient master: Ussuri contrib docs community goal  https://review.opendev.org/72763323:33
openstackgerritPete Zaitcev proposed openstack/swift master: func tests: work with etag-quoter on by default  https://review.opendev.org/69513123:38
timburkethank you -- i feel like i butchered that guy, sorry :-(23:39
openstackgerritTim Burke proposed openstack/swift master: Fix container-sync objects with offset timestamp  https://review.opendev.org/69809223:57

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