Wednesday, 2015-11-11

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openstackgerritMerged openstack/trove: Added CORS middleware to Trove  https://review.openstack.org/21791800:03
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openstackgerritSaurabh Surana proposed openstack/trove-specs: Floating ip on vertica master node  https://review.openstack.org/21335400:33
dougshelley66peterstac and pmalik added a framework for making the int-tests db agnostic during liberty01:02
dougshelley66it you leverage this for db2, you can get a bunch of things for free01:03
dougshelley66including testing of backup and restore01:03
openstackgerritIshita Mandhan proposed openstack/trove-specs: Addition of DB2 backup and restore  https://review.openstack.org/23606501:08
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openstackgerritMerged openstack/trove-integration: MongoDB elements switch to YAML  https://review.openstack.org/23605905:08
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openstackgerritMatthew Van Dijk proposed openstack/trove-integration: Add MongoDB mongos upstart script to elements  https://review.openstack.org/23909214:45
openstackgerritMatthew Van Dijk proposed openstack/trove-integration: Add MongoDB mongos upstart script to elements  https://review.openstack.org/23909214:45
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openstackgerritPetr Malik proposed openstack/trove: Finish cluster int-tests  https://review.openstack.org/24417616:01
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openstackgerritMatthew Van Dijk proposed openstack/trove: Improve guestagent datastore models  https://review.openstack.org/23608216:43
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openstackgerritPetr Malik proposed openstack/trove: Guestagent configuration tests mock chown/chmod  https://review.openstack.org/24422117:09
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openstackgerritamrith proposed openstack/trove: Correct the computation of elapsed time while waiting for state change  https://review.openstack.org/24072817:41
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openstackgerritamrith proposed openstack/trove: Cleanup trove debug and info logging messages  https://review.openstack.org/23694317:43
cp16netpeterstac: fyi i was going to bring up the datastore log bp17:48
cp16netmainly to get feedback on the containers17:49
amrithpeterstac, vgnbkr, cp16net ... i think https://review.openstack.org/240728 reflects all ur feedback now17:54
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amrithcp16net, what is the intersection?17:54
amrith(since I won't be at the meeting)17:55
cp16netintersection?17:55
amrithyes .... between log restore and containers?17:55
cp16netoh... having a new container per instance for the logs vs a single container17:56
cp16netfor the tenant17:56
amrithok, thanks17:57
amrithI'll follow up with the scrollback later to figure out what y'all discuss17:57
amrithhave to run now, 2pm is my talk and I still have to register17:57
amrithand stuff17:57
amrithstill at the bar ;)17:57
amrithfyi, re: https://review.openstack.org/#/c/240728/ ... psargent is an applicant to outreachy. vkmc, you may want to help with the review.17:58
amrith;)17:58
vkmcamrith, sure thing, it's on my list17:58
vkmcI was checking out your patches first17:58
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amriththx vkmc18:02
SlickNikNo trove meeting today?18:03
cp16netyeah in #openstack-meeting-alt now18:04
SlickNikawesome — thanks cp16net18:04
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pmackinngentle reminder: https://etherpad.openstack.org/p/mitaka-trove-midcycle-rsvp19:01
cp16netthanks pmackinn19:01
SlickNikpmackinn: +119:01
cp16neti meant to have time after the meeting to have announcements but the convo kept going :-P19:02
atomic77cp16net, basically what i was trying to say is that, if the container is just a 'convenience prefix' from swift's perspective then this is just a usability and mgmt issue19:03
cp16netatomic77: yeah19:04
atomic77as long as we delete the containers when they're not needed it's not a big dela. but if the containers have some extra significance then maybe it's a valid concern19:04
cp16neti see a container as a logical separation of objects19:05
cp16netmaybe my view is skewed thinking that because i've put lots of stuff in a container before19:06
cp16netand if we have 1 container for all the backups of all the instances19:06
cp16neti do not see a difference with storing logs19:07
atomic77given that i can see arguments for both sides, i don't have a strong preference personally19:07
atomic77unless there's a strong technical reason why this creates a problem due to how swift distributes its data19:08
cp16netthe long term draw backup i potentially see is a user seeing 20 containers trove created on their behalf19:08
cp16netand they are looking for their container of data19:09
cp16netthis may seem silly19:09
cp16netbut my opinion is that then trove is creating more reasources than it needs to19:10
cp16netif everyone is against my opinion then i'll conceed but i think it should be explored19:13
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johnmain the case of backups, how does this work. Is a backup stored as a single object within a container?19:16
cp16netits stored as a potentially split object19:17
johnmaoh ok19:17
atomic77johnma, basically it is (default 1g splits i believe)19:17
cp16netyeah something like that because the backuop could be larger than the object size swift can store19:18
cp16netso you potentially need to split them19:18
johnmaso in that case, how would a user access a split object? I am assuming the number of objects in the case of backups might not be as many as in the case of the logs which is probably where the current proposed approach might be a cleaner solution19:20
cp16netthere is metadata that tells swift how to deliever the split objects as a single object19:21
cp16netbecause we compress the object and stream it to swift19:21
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peterstaccp16net, I volunteered to look into having the logs in one container (in the meeting - maybe you missed it ;) )19:22
cp16nethttps://github.com/openstack/trove/blob/master/trove/guestagent/strategies/storage/swift.py#L139-L15019:23
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cp16netoh maybe i did19:23
cp16net:-P19:23
peterstacOur only concern is if Swift can efficiently find and return a large number of files from a container containing a huge number of files19:24
johnmaoh ok. so then that shouldnt be a problem with the split objects in the log operations case.19:24
cp16nethttp://docs.openstack.org/user-guide/cli_swift_pseudo_hierarchical_folders_directories.html19:24
peterstacI suspect that they can, but I'll confirm that with some Swift folk first19:24
cp16nethttp://docs.openstack.org/user-guide/cli_swift_large_lists.html19:26
cp16netthats the docs talking about large lists of objects or containers19:26
peterstaccp16net, yeah, I think that'll work - I'll test it out and get back to you (or just update the spec if it does :) )19:27
peterstac(the psudo directories that is, not the markers - that might be error-prone)19:28
peterstacUsing the psudo directories also has the side effect that you can navigate them through horizon19:28
cp16netright19:28
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cp16netimandhan: i mentioned that it was the milestone before but its really the series goal for the blueprint19:49
imandhanoh okay. Well I have both of those set to mitaka-1 but the db2 bp wasn't on the link shared in the meeting19:50
imandhanDo I need to add you as an approver?19:50
imandhanhttps://blueprints.launchpad.net/trove/+spec/db2-backup-restore19:50
cp16netok it should be there now19:52
imandhannvm something magical happened just now and it's on there19:52
cp16neti approved it for the series19:52
imandhanahh okay :)19:52
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cp16netimandhan: quick q on the backup strategy for db220:46
cp16netso this is the offline backup20:46
cp16netsounds like there could be another way for online backups right?20:46
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cp16netor is online backups just related to incremental backups?20:47
imandhanyes, there is a way to implement online backups but it'll involve changing the way logging takes place from circular to archive logging.20:50
imandhanthis link explains the two a little - http://www.tutorialspoint.com/db2/db2_backup_and_recovery.htm20:50
imandhandefault logging method is circular20:51
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openstackgerritCraig Vyvial proposed openstack/trove-integration: pxc image wont build because percona-xtrabackup-22 not found  https://review.openstack.org/24374921:03
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pmalik_A couple of easy reviews: https://review.openstack.org/#/c/243247/ https://review.openstack.org/#/c/244221/ Thx. :-)21:04
pmalik_^^^ cp16net _amrith_ vkmc SlickNik21:04
pmalik_This has already been WF +1 once before it got into a merge conflict: https://review.openstack.org/#/c/218382/21:06
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SlickNikpmalik_: okay thanks! will take a look.21:20
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cp16netpmackinn: hey fedora 22 is the "supported" version for trove?21:54
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pmackinncp16net, yup, f23 just coming out but should be ok for redstack21:58
pmackinncp16net, still some issues w/ some of the experimental datastores21:59
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cp16netok22:10
cp16neti was going to look at the comment that you mentioned for xtradb-backup22:10
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cp16netpmackinn: so it looks like the package nname in fedora is differnt22:20
cp16netpercona-xtrabackup.x86_6422:21
cp16netbut i guess the .x86_64 doesnt matter....22:21
cp16netok22:21
cp16neti figured it out22:21
pmackinnyeah, i actually added a provides for -22 but if it's broken for the ubuntu elements also, well then22:24
openstackgerritCraig Vyvial proposed openstack/trove-integration: images wont build because percona-xtrabackup-22 not found  https://review.openstack.org/24374922:28
cp16netpmackinn: that should fix both for now22:28
cp16netif you add the percona repo then you get the -22 package22:29
pmackinncp16net, ack hopefully i've covered it off from the fedora side22:30
cp16netcool22:31
openstackgerritIshita Mandhan proposed openstack/trove-specs: Addition of DB2 backup and restore  https://review.openstack.org/23606522:34
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