Monday, 2015-10-19

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kota_good morning00:39
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mattoliveraukota_: morning00:57
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kota_mattoliverau: the last week before summit has begun :-)01:17
mattoliveraukota_: yeah! Its exciting! This time next week I'll be flying to Japan :)01:33
kota_\o/ < welcome!01:34
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mahaticgoor morning04:15
mahaticgood04:16
janonymousmorning04:16
mattoliveraumahatic, janonymous: morning04:18
mahaticjanonymous: o/04:19
mahaticmattoliverau: hello04:19
janonymousmattoliverau: o/04:22
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haypomorning07:18
openstackgerritVictor Stinner proposed openstack/swift: py3: Update pbr and dnspython requirements  https://review.openstack.org/21742307:18
lifelesshaypo: morning07:20
haypoi wrote https://review.openstack.org/217423 almost two ago. is there a reason why this change is not reviewed?07:20
haypooops, two months* ago07:20
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peterlisak Hi everyone, can someone help? I want to prioritize some swift daemons/servers to others. For example: object-server to object-reaper, beacause I need all users' request to be served in peak hours and deletion could wait. Currently I use nice/ionice command to manage this behaviour. Is there already any existing feature in swift for that? Native support in swift would be great (adding optional config param to set07:40
peterlisakdaemon/server io scheduling class and priority by nice/ionice). I would like to discuss it before try implementing it. Thanks!07:40
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openstackgerritMerged openstack/swift: Close ECAppIter's sub-generators before propagating GeneratorExit  https://review.openstack.org/23116411:47
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openstackgerritOpenStack Proposal Bot proposed openstack/swift: Updated from global requirements  https://review.openstack.org/8873612:23
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openstackgerritKota Tsuyuzaki proposed openstack/swift: WIP: patch for Bill  https://review.openstack.org/23696312:52
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papercupnewbie here. :-)   what's the conf parameter (and which conf file) to have account related logging get dumped in a specific log ?13:22
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openstackgerritAlistair Coles proposed openstack/swift: Make db_replicator usync smaller containers  https://review.openstack.org/23293113:24
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glangehttp://docs.openstack.org/developer/swift/development_saio.html13:31
glangepart of that document is about setting up logging13:31
papercupokay thanks13:32
glangeswift uses syslog -- so you'll need to configure that and match it up with the log_facility config entries in the swift server configs -- grep for that in your config files13:33
papercupglange -  makes sense, being new to python I didn't know if the logfile name is in syslog or in the conf file for account/proxy etc13:34
papercup*dont13:34
papercupsyslog conf | accpunt conf | both13:35
glangeI understand -- depending upon what you are doing, you might want to set up the swift all in one from that document -- you'll learn a lot about swift that way and you'll have something to play with and learn from at the end13:35
glangeit's a requirement of doing dev work to set one of those up (sort of)13:35
papercupglange: thx for the response. I'll dig a bit into that and get back here at a later time13:36
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openstackgerritVictor Stinner proposed openstack/swift: Port get_hmac() and hash_path() to Python 3  https://review.openstack.org/23699814:12
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openstackgerritVictor Stinner proposed openstack/swift: Port get_hmac() and hash_path() to Python 3  https://review.openstack.org/23699814:18
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openstackgerritVictor Stinner proposed openstack/swift: Port swift.common.utils.StatsdClient to Python 3  https://review.openstack.org/23700514:23
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openstackgerritAlistair Coles proposed openstack/swift: Make db_replicator usync smaller containers  https://review.openstack.org/23293114:34
openstackgerritAlistair Coles proposed openstack/swift: Fix missing *-replicator conf sections in deployment guide  https://review.openstack.org/23701314:34
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openstackgerritVictor Stinner proposed openstack/swift: Port swift.common.utils.Timestamp to Python 3  https://review.openstack.org/23701514:37
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openstackgerritVictor Stinner proposed openstack/swift: Port FileLikeIter to Python 3  https://review.openstack.org/23701914:41
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openstackgerritVictor Stinner proposed openstack/swift: Port parse_mime_headers() to Python 3  https://review.openstack.org/23702714:50
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openstackgerritVictor Stinner proposed openstack/swift: Add test.nested() for Python 3 compatibility  https://review.openstack.org/23702814:54
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openstackgerritVictor Stinner proposed openstack/swift: Port swift.common.utils.backward() to Python 3  https://review.openstack.org/23703015:02
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openstackgerritVictor Stinner proposed openstack/swift: Port FileLikeIter to Python 3  https://review.openstack.org/23701915:12
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openstackgerritVictor Stinner proposed openstack/swift: Fix Python 3 issues in utils  https://review.openstack.org/23703915:20
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openstackgerritVictor Stinner proposed openstack/swift: Add __next__() methods to utils iterators for py3  https://review.openstack.org/23704015:23
openstackgerritVictor Stinner proposed openstack/swift: WIP: parse HTTP as bytes on Python 3  https://review.openstack.org/23704215:26
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haypooops :-) i started to port test/unit/common/test_utils.py and i expected a few lines of changes15:34
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haypobut in fact test_utils.py and utils.py are huge, so my change was giant :) i splitted it into... 9 patches :-p https://review.openstack.org/#/q/status:open+project:openstack/swift+branch:master+topic:py3,n,z15:35
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openstackgerritGreg Lange proposed openstack/swift: Adds read only middleware.  https://review.openstack.org/23374915:55
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openstackgerritVictor Stinner proposed openstack/swift: Port swift.common.utils.backward() to Python 3  https://review.openstack.org/23703015:57
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openstackgerritMerged openstack/swift: Make db_replicator usync smaller containers  https://review.openstack.org/23293116:56
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openstackgerritVictor Stinner proposed openstack/swift: Port swift.common.utils.Timestamp to Python 3  https://review.openstack.org/23701517:05
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notmynamegood morning17:12
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NMHey guys! Does anyone know if we have a public database with infos about swift usage arround the world? It would be great to know how the world is using it :)17:28
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notmynameNM: not really, but I can give you some pointers17:36
notmynameNM: are you looking for any particular use case or industry?17:36
NMAt first I was wondering how people usually deploy swift over ssl, since we're using nginx and moving to apache. After that I thought: "Swift has a great community! Does we know how each other is working? It would be nice if we share this info."17:39
notmyname:-)17:40
notmynameyeah, it's great when people share with the community what they are doing with swift17:41
notmynamehere's some of our customers at swiftstack. each of them are using swift https://swiftstack.com/customers/17:41
notmynameof course there's a lot of other people using swift too.17:42
notmynamevideo streaming, backups, content for mobile apps, document storage/sharing, medical imaging, data analytics, service providers17:43
notmynameand then there's the many many customers that those service providers have, too17:43
redboNM: We use haproxy.  Not nginx because it buffers PUTs to memory/disk, but I heard that might have changed recently.17:44
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notmynameand we use stud for SSL17:45
tdasilvaNM: the openstack summit is also a good place to hear how community members are using swift. For example, the Vancouver videos provide some great info about different deployments17:46
redboYeah, we were using stud before haproxy got support for SSL.17:46
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NM(I love this community!)17:50
openstackgerritGreg Lange proposed openstack/swift: Adds read only middleware.  https://review.openstack.org/23374917:50
NM@redbo: I also heard that change on nginx.17:51
NMtdasilva: Summit is our favorite conference :) This year we sent CaioBrentano and another team member :D17:55
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tdasilvaNM: Tokyo or Vancouver?17:55
CaioBrentanotdasilva Vancouver! ;)17:56
tdasilvaNM, CaioBrentano: are you guys going to Tokyo?17:56
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CaioBrentanotdasilva No! Tokyo is too far away for us!17:57
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tdasilvaCaioBrentano: :(17:58
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NMtdasilva: And R$ (real) is not helping …17:59
tdasilvaNM: true true18:00
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NMnotmyname: What do you think about doing a survey with the community? Is that an option? Even better: is it a good one?18:01
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notmynamethere's already the openstack user survey18:01
notmynamethe hard part is (1) identifying who the deployer community is (2) getting them to share *anything*18:02
notmynameone of the major use cases for swift is "don't send data to a third party for storage", so people tend to not talk about that18:02
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notmynamealso, "swift" isn't a goal for people. ie it's as important as using apache or nginx. the actual goal people have is to store stuff and do things that weren't previously possible with their old storage systems18:03
notmynameeg "I need to store and search 10PB of genomics data stored across multiple sites. I just can't do that with NFS"18:03
notmynamemy point is that swift is fundamental to a storage solution, but it's not the whole story for anyone18:04
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notmynameso that makes it hard to go find and ask people about their swift usage18:04
notmynameI'd *love* to know more about who is using swift and how they are using it18:05
notmynamebut I'm not sure another survey would do anything more than the existing openstack survey18:05
notmynameone idea I've heard of is having an upstream tool to report what's going on. somethign like ceph-brag https://github.com/redhat-cip/ceph-brag18:06
CaioBrentanonotmyname An anonymous survey, asking some specific aspects about swift deploy, would be an option?18:06
notmynameCaioBrentano: that's what we've got with the openstack survey today18:07
notmynameCaioBrentano: the hard part IMO is finding the people to ask18:07
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openstackgerritGreg Lange proposed openstack/swift: Adds read only middleware.  https://review.openstack.org/23374918:09
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CaioBrentanonotmyname I bet it is the hard part!18:12
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NMnotmyname: Do you think people who need support, most of the time, come to here (IRC) ? I was thinking if to inform it in the topic would work. Also we could inform about the survey on the Github page. (Spread the word! Let's get viral!)18:16
openstackgerritGreg Lange proposed openstack/swift: Adds read only middleware.  https://review.openstack.org/23374918:17
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notmynameNM: hard to say. some do, of course. many others look for commercial support and never use IRC18:23
notmynameNM: but I like the idea of a passive survey in the survey and README18:24
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openstackgerritGreg Lange proposed openstack/swift: Adds read only middleware.  https://review.openstack.org/23374918:35
hrouHey torgomatic, all - just a quick heads up that there's been really good progress on the symlink patch (functionally its mostly there) really what's needed now is some refactoring and unit tests (but ready to review otherwise).  There are still some open issues on the etherpad, so if you could take a peek and chime in that'd be great.  Etherpad link (https://etherpad.openstack.org/p/swift_symlinks) patch 232162.18:35
patchbothrou: https://review.openstack.org/#/c/232162/ - WIP: Symlink implementation. (work in progress)18:35
clayghaypo: I thought when you sent that thing to the ML it was like "six more patches and then swift is py3!!!" - but today there's a half-dozen more?18:36
claygDoes everything really still think the ad-hoc approach is better than rip the band-aid off?18:37
torgomatichrou: ok, good to know. I've been ignoring it because it's WIP and changing daily, but I can certainly takea  look at the etherpad18:37
hrouJust to add, testing wise most of that is there too, but all of it is currently all func tests, and I'm not sure that's the way to go here for everything.18:37
hroutorgomatic, that'd be great !  Yea if we get some direction re: some of the issues on the etherpad we can drive it even further, probably remove the WIP as well.18:38
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vinshHello swift folks.  Seeing ugly things in my object server logs using EC  --> http://paste.openstack.org/show/476738/18:39
vinshWondered if these log messages ring a bell to some obvious mis-config on my end.18:39
notmynamevinsh: what version of swift?18:39
vinsh2.4.0 ubuntu18:40
claygPASTE.OPENSTACK.ORG IS UNBEARABLY SLOW!18:40
vinshYeah.. its not spectacumazing18:40
notmynamevinsh: I would strongly recommend using 2.5.0 if you are using EC ;-)18:40
vinshWord on the street is you now swift.  I'll go with that advice ;)18:41
notmynameclayg: yeah. very slow for me too18:41
vinsh*know18:41
vinshI wonder if ubuntu has packaged up 2.5.0 yet. what with swift being an untested technology and all that.18:41
* vinsh snark ;)18:41
claygwhy do those log lines say "swift-object-server" instead of "object-reconstructor"18:42
claygvinsh: can you find the other side of those Unexpected 500's -> "24.26.95.51:6003/d142/5964 Unexpected response: ":ERROR: 500 'ERROR: With :UPDATES: 1 failures to 0 successes'""18:42
vinsh?!18:42
claygon :UPDATES:18:42
claygon 24.26.95.51:6003 try to find the 500, or something from the object-server about an error ; grep for d142 if you have to - something around the same time18:43
openstackgerritEran Rom proposed openstack/swift: Container-Sync to iterate only over synced containers  https://review.openstack.org/20580318:43
vinshOct 19 18:43:11 localhost swift-object-server: 24.26.95.51:6003/d142/5964 Unexpected response: ":ERROR: 500 'ERROR: With :UPDATES: 1 failures to 0 successes'"18:43
vinshOct 19 18:43:11 localhost swift-object-server: Invalid response 404 from 24.26.95.51:6003/d142/5964/KEY_256f93ddf68441ed9a80e6475a77c869/adam/openrc policy#0 frag#318:43
vinshOct 19 18:43:11 localhost swift-object-server: Invalid response 404 from 24.26.95.51:6003/d142/5964/KEY_256f93ddf68441ed9a80e6475a77c869/adam/openrc policy#0 frag#318:43
vinshthen on the target node18:45
vinshOct 19 18:43:11 localhost swift-object-server: 24.26.92.207 - - [19/Oct/2015:18:43:11 +0000] "GET /d142/5964/KEY_256f93ddf68441ed9a80e6475a77c869/adam/openrc" 404 - "-" "-" "-" 0.0005 "-" 17561 018:45
vinshOct 19 18:43:22 localhost swift-object-server: 24.26.92.206 - - [19/Oct/2015:18:43:22 +0000] "GET /d142/5964/KEY_256f93ddf68441ed9a80e6475a77c869/adam/openrc" 404 - "-" "-" "-" 0.0004 "-" 17573 018:45
claygvinsh: I still feel like that's onlyt he object-reconstructor side just reporting the errors from the ssync target (object-server/ssync_sender) - could be one of the bugs fixed in 2.5.018:46
claygcould also be a ring part-replica placement thing (described in lp bug #1452431)18:46
openstackLaunchpad bug 1452431 in OpenStack Object Storage (swift) "some parts replicas assigned to duplicate devices in the ring" [High,Confirmed] https://launchpad.net/bugs/1452431 - Assigned to Samuel Merritt (torgomatic)18:46
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vinshSay no more! I'll get 2.5.0 on here asap.  Then test and report.18:46
vinshI'm betting this has to do with the 40% retry ratio in benchmarking18:46
claygvinsh: the 404's are so interesting - either they're missing or its that storage policy header bug thing just looking in the wrong policy - could you use swift-get-nodes to find the fs paths for those frag archives on those nodes and see if the data is acctually there and just not being found or if the frag archives are acctually in the wrong spot18:47
claygvinsh: object-reconstrcutor was reporting some remote 500's - those would be more interesting I think?  if it was back when the chunked-transfer stuff was spewing useless garbage you may not be able to find the intersting errors18:48
claygso... yeah we'll see what you get after the upgrade - gl!18:48
vinshWill dig in further there, thanks for the direction!18:49
openstackgerritRobert Francis proposed openstack/swift: Symlink implementation.  https://review.openstack.org/23216218:49
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openstackgerritOndřej Nový proposed openstack/swift: swift-ring-builder can't remove a device with zero weight  https://review.openstack.org/23309619:13
openstackgerritOndřej Nový proposed openstack/swift: node_timeout as float in configs  https://review.openstack.org/23428719:14
openstackgerritOndřej Nový proposed openstack/swift: swift-init return codes  https://review.openstack.org/23035219:15
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openstackgerritOndřej Nový proposed openstack/python-swiftclient: swiftclient content-type header  https://review.openstack.org/23135419:19
openstackgerritOndřej Nový proposed openstack/swift: swift-init: SIGKILL daemon after kill_wait period.  https://review.openstack.org/22953219:24
vinshThe crazy 500 errors have gone away with 2.5.019:28
vinshstill seeing at 40% retry rate on benchmark read tests19:28
eranromMy inner self told me its high time I should kindly ask cores with free time (ha ha) to review this one: https://review.openstack.org/#/c/205803/19:34
eranrompoeple who reviewed https://review.openstack.org/#/c/205803/ might also be interested in reviewing my ever WIP storylet: https://github.com/eranr/storylet19:35
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vinshOh neat! benchmark results for 2.5.0 > 2.4.019:42
vinshgood work all.19:42
vinshjust hit an all time high number of read/writes combined with 2.5.0 for this cluster.19:46
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* vinsh nerding out19:46
notmynamecool19:50
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notmynameinteresting talk from pycon https://www.youtube.com/watch?v=z9Hmys8ojno20:27
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claygnotmyname: neat trick tho - you can't yeild out byte arrays as your return iterator to eventlet.wsgi server20:40
claygsweventlet is going to be great tho20:41
notmynameheh20:42
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mattoliveraumorning21:22
mattoliverauacoles_: yes.. darn those assertEquals :P Thanks :)21:23
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openstackgerritBill Huber proposed openstack/swift: ObjectControllers return application errors as 499 on bad read  https://review.openstack.org/23600721:35
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