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| openstackgerrit | Andrew Lazarev proposed a change to openstack/sahara: Fixed volumes mount in case of existing volumes https://review.openstack.org/103691 | 00:21 |
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| openstackgerrit | A change was merged to openstack/sahara-specs: [EDP] Refactor job manager to support multiple implementations https://review.openstack.org/100678 | 07:59 |
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| openstackgerrit | A change was merged to openstack/python-saharaclient: Updated from global requirements https://review.openstack.org/103034 | 08:03 |
| openstackgerrit | lawrancejing proposed a change to openstack/sahara: Use immutable arg rather mutable arg https://review.openstack.org/103793 | 08:25 |
| openstackgerrit | A change was merged to stackforge/sahara-ci-config: Resolve problem with java downloading https://review.openstack.org/103176 | 08:26 |
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| openstackgerrit | Ivan Berezovskiy proposed a change to stackforge/sahara-ci-config: Use sudo to delete /tmp/sahara directory https://review.openstack.org/103800 | 08:41 |
| openstackgerrit | A change was merged to stackforge/sahara-ci-config: Add the .gitignore file and update the pbr version https://review.openstack.org/103607 | 08:45 |
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| openstackgerrit | Dmitry Mescheryakov proposed a change to openstack/python-saharaclient: Make Cluster Template accept default_image_id field https://review.openstack.org/100933 | 09:14 |
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| openstackgerrit | A change was merged to openstack/sahara: Fix docs to use sahara-all instead of sahara-api https://review.openstack.org/100514 | 10:13 |
| openstackgerrit | Sergey Reshetnyak proposed a change to openstack/sahara: Refactoring vanilla 2 plugin https://review.openstack.org/90961 | 10:21 |
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| openstackgerrit | A change was merged to stackforge/sahara-ci-config: Use sudo to delete /tmp/sahara directory https://review.openstack.org/103800 | 12:05 |
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| tmckay | anybody remember the url for monitoring ambari progress during an hdp cluster install? I know there is something you can hit to show the actions that are pending/executing/completed but I forget | 14:06 |
| elmiko | tmckay: i think its http://ambari-server-ip:8440 | 14:10 |
| elmiko | i think | 14:10 |
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| openstackgerrit | Longgeek proposed a change to stackforge/sahara-guestagent: Update requirements file and rename savanna https://review.openstack.org/103608 | 14:49 |
| tmckay | elmiko, fyi, I think I was looking for something like this http://10.3.11.225:8080/api/v1/clusters/test-hdp/requests/ | 14:49 |
| elmiko | ahh, gotcha | 14:49 |
| elmiko | i had gotten into the ambari server page when i was having difficulty with the hdp stuff, and that server was showing me the status of all the nodes | 14:50 |
| tmckay | (followed by a number like /1 or /2 gives you individual tasks and subtasks. I found some labeled "install all services" and "start all services" | 14:50 |
| elmiko | oh yea, those are usually what we see in the sahara.log coming back as json from the server | 14:50 |
| tmckay | yeah, this is json status stuff that John showed me in Atlanta. trusnak was having a problem with an install bailing on hive-server | 14:51 |
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| tmckay | elmiko, ^^ if you have any insight I'm sure he would love to talk to you tomorrow :) | 14:51 |
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| elmiko | yea, John showed me how to make queries against that server to find out the tasks. interesting stuff | 14:51 |
| elmiko | tmckay: i'm certinaly willing to listen in, not sure i can add much. but i'll give it my best :) | 14:52 |
| RobLevas | tmckay: what do you mean by "bailing" ? Are you using DevStack? | 14:53 |
| RobLevas | I am working on a problem where it appears that Sahara is failing to communicate with Ambari due to a network issue | 14:54 |
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| tmckay | RobLevas, I mean the cluster install failed in Sahara, and the only thing in the logs shows that the ambari server had a problem installing the hive-server but there is not a lot of info on what happened | 14:54 |
| tmckay | (hdp cluster, obviously :) ) | 14:54 |
| RobLevas | tmckay: Ah... I heard there is a lack of error messages going around bummer. | 14:54 |
| * tmckay looks for log messages | 14:55 | |
| tosky | and the instances should have proper external network access | 14:55 |
| tmckay | hmm, not worth posting. Looks to me like ambari reported that a subtask failed for hive-server during service install | 14:56 |
| tmckay | I don't have the whole log. | 14:56 |
| RobLevas | I am not familiar with the hive install... else I would gladly try to help out | 14:56 |
| tmckay | but, sahara and ambari definitely communicated. I'm thinking config issue or missing dependency or something. | 14:56 |
| tmckay | I'm not directly involved either, just received some questions :) | 14:57 |
| RobLevas | If you had my issue, the sahara log would indicate a network error | 14:57 |
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| dmitryme | tmckay: re “Looks to me like ambari reported that a subtask failed for hive-server during service install”. I know that you can actually look at the specific task and see what exactly failed. | 15:26 |
| tmckay | dmitryme, through the REST interface? | 15:27 |
| dmitryme | yep | 15:27 |
| dmitryme | Ambari REST | 15:27 |
| tmckay | http://10.3.11.225:8080/api/v1/clusters/test-hdp/requests/2/tasks/52 | 15:29 |
| tmckay | like that, I think | 15:29 |
| dmitryme | yep,that is what I mean | 15:29 |
| dmitryme | if you access it, it can give a description | 15:29 |
| elmiko | tmckay: apparently you can also issue commands to query tasks too | 15:29 |
| tmckay | dmitryme, thank you, that might be enough | 15:29 |
| dmitryme | though it can be vague like “”puppet timed out” in my case | 15:29 |
| elmiko | tmckay: https://github.com/apache/ambari/blob/trunk/ambari-server/docs/api/v1/index.md | 15:32 |
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| tmckay | elmiko, thank you | 15:33 |
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| openstackgerrit | Robert Nettleton proposed a change to openstack/sahara: Adds DataNode decommissioning support to HDP Plugin https://review.openstack.org/103596 | 16:29 |
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| openstackgerrit | pritesh proposed a change to openstack/python-saharaclient: Fixes ambiguous cli output between "None" and NoneType https://review.openstack.org/102955 | 16:39 |
| openstackgerrit | Trevor McKay proposed a change to openstack/sahara: Allow plugins to choose the EDP implementation https://review.openstack.org/101016 | 16:55 |
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| RobLevas | Has anyone experienced intermittent network issues using DevStack (pulled from github a week ago)? | 18:47 |
| elmiko | not me, but i haven't done much provisioning this week | 18:48 |
| RobLevas | From my DevStack host, pinging a VM instance, I get this from time to time: | 18:48 |
| RobLevas | 2014-07-01 11:19:00: 64 bytes from 172.21.194.4: icmp_req=499 ttl=63 time=0.335 ms | 18:48 |
| RobLevas | 2014-07-01 11:19:01: 64 bytes from 172.21.194.4: icmp_req=500 ttl=63 time=0.540 ms | 18:48 |
| RobLevas | 2014-07-01 11:19:02: 64 bytes from 172.21.194.4: icmp_req=501 ttl=63 time=0.205 ms | 18:48 |
| RobLevas | 2014-07-01 11:19:37: 64 bytes from 172.21.194.4: icmp_req=536 ttl=63 time=0.387 ms | 18:48 |
| RobLevas | 2014-07-01 11:19:38: 64 bytes from 172.21.194.4: icmp_req=537 ttl=63 time=0.327 ms | 18:48 |
| RobLevas | 2014-07-01 11:19:39: 64 bytes from 172.21.194.4: icmp_req=538 ttl=63 time=0.471 ms | 18:48 |
| RobLevas | Notice the jump from 11:19:02 to 11:19:37? | 18:49 |
| elmiko | hmm | 18:49 |
| elmiko | not sure why that would happen | 18:49 |
| RobLevas | me neither. :( | 18:49 |
| elmiko | oh, dropped packets | 18:49 |
| elmiko | icmp_req goes up by 35 | 18:49 |
| RobLevas | Maybe.. this is causing issue provisioning a cluster | 18:50 |
| elmiko | could be | 18:50 |
| elmiko | is this still all on one machine? | 18:50 |
| RobLevas | yup | 18:50 |
| RobLevas | Around the same time I get this error from Sahara: | 18:51 |
| RobLevas | 2014-07-01 11:19:59.703 30758 TRACE sahara.service.ops ConnectionError: HTTPConnectionPool(host='172.21.194.4', port=8080): Max retries exceeded with url: /api/v1/clusters/rlevas/requests/2/tasks?fields=Tasks/status (Caused by <class 'httplib.BadStatus | 18:51 |
| elmiko | makes sense given the ping results | 18:51 |
| elmiko | what distro you running? | 18:52 |
| RobLevas | It is possible the VM instance is halted or hung? | 18:52 |
| elmiko | oh yea vm, could be having issues switching contexts. poor performance causing dropouts | 18:53 |
| RobLevas | Ubuntu host, CentOS VM | 18:53 |
| elmiko | i've seen poor network performance caused by vm issues, but nothing concrete enough to make a bug out of it | 18:53 |
| RobLevas | but the box doesnt appear to be loaded | 18:53 |
| elmiko | mine didn't either, cpu never went above %30 load | 18:54 |
| elmiko | how big is the cluster you are creating? | 18:54 |
| RobLevas | this happens all the time.. | 18:54 |
| RobLevas | a single node cluster | 18:54 |
| elmiko | wow... | 18:54 |
| RobLevas | it never fails to fail.. just at different points. | 18:55 |
| openstackgerrit | Vitaly Gridnev proposed a change to openstack/sahara: Corrected a number of pep8 errors https://review.openstack.org/101845 | 18:55 |
| elmiko | have you tried running devstack on your host? (i realize you might need to test centos, just curious) | 18:55 |
| RobLevas | On my mac? | 18:55 |
| elmiko | i meant on the ubuntu host, or is that the vm? | 18:56 |
| RobLevas | ubuntu is the base OS on the server.. that is where DevStack is running | 18:56 |
| elmiko | ok, and it's creating centos instances for the cluster? | 18:57 |
| RobLevas | yup.. sorry my terminology may not be up to speed yet | 18:57 |
| elmiko | no worries, just trying to understand the setup | 18:57 |
| elmiko | just out of curiousity, is the ubuntu kernel using kvm? | 18:59 |
| RobLevas | I assume so, how do I tell? | 19:00 |
| elmiko | you could `dmesg | grep kvm` | 19:00 |
| RobLevas | empty | 19:00 |
| elmiko | what kernel is it? | 19:00 |
| RobLevas | 3.2.0-64-generic #97-Ubuntu SMP Wed Jun 4 22:04:21 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux | 19:01 |
| tosky | better try lsmod | grep kvm I guess | 19:01 |
| elmiko | yea, what tosky said | 19:01 |
| RobLevas | # lsmod | grep kvm | 19:01 |
| RobLevas | kvm_intel 137721 0 | 19:01 |
| RobLevas | kvm 415622 1 kvm_intel | 19:01 |
| RobLevas | tosky: thanks | 19:01 |
| elmiko | that looks good | 19:01 |
| elmiko | is that server doing other stuff in addition to devstack? | 19:02 |
| RobLevas | nope.. im the only one on it. I have DevStack and a stand-along Sahara running... Sahara dashboard in running on my Mac | 19:03 |
| elmiko | wow, strange | 19:03 |
| RobLevas | yup | 19:03 |
| elmiko | my guess would be some configuration related issue on the server | 19:04 |
| elmiko | but that's pretty generic | 19:04 |
| elmiko | if you want to get really deep, you could start your ping, and then monitor the network traffic on the virtual bridge to see what's happening | 19:04 |
| RobLevas | how do I monitor the traffic on the virtual bridge? | 19:05 |
| elmiko | sec | 19:05 |
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| RobLevas | sorry, this may be getting too involved for you. I dont mean to take this much of your time,. | 19:06 |
| elmiko | nah, it's ok. i need a break from working on this spec | 19:06 |
| RobLevas | feel free to tell me to go and Google more stuff. :) | 19:06 |
| RobLevas | ok.. thanks | 19:06 |
| RobLevas | spec writing can suck the life out of you | 19:07 |
| elmiko | i would recommend watching Phil Hopkins talk from the last summit about troubleshooting virtual networks. he shows some great techniques for attaching virtual interfaces to the bridge and then monitoring all traffic. | 19:08 |
| elmiko | https://www.openstack.org/summit/openstack-summit-atlanta-2014/session-videos/presentation/troubleshooting-neutron-virtual-networks | 19:08 |
| elmiko | it's a really neat talk | 19:08 |
| RobLevas | awesome.. thanks I will take a look at that | 19:08 |
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| elmiko | it's involved, and you will want to know the tools available | 19:08 |
| RobLevas | i bet | 19:08 |
| elmiko | basically, what you can do is add a virtual interface to the ovs bridge, and then use tcpdump to watch all the traffic. | 19:10 |
| elmiko | you should be able to watch your ping requests and see when they get rejected. it could provide insight as to why the network stops. | 19:10 |
| elmiko | this is basically, one more avenue of debugging | 19:11 |
| elmiko | unfortunately no simple answer from me :/ | 19:11 |
| RobLevas | would i be able to tell if the virtual network hiccuped or the VM instance hung? | 19:12 |
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| elmiko | you should be able to see if all traffic stops, or the vm starts rejecting packets, or something similar | 19:12 |
| RobLevas | I think you have provided me with some great information on how I can start to debug this... its much appreciated. | 19:12 |
| RobLevas | cool beans. | 19:13 |
| elmiko | cool, i know debugging these things can be a serious pain | 19:13 |
| RobLevas | yeah.. I just hope the data will make sense to me once I get to the point where I can read it. :) | 19:13 |
| elmiko | yeeeeaaa.... | 19:13 |
| elmiko | that's the next part :) | 19:13 |
| RobLevas | :) | 19:14 |
| elmiko | hopefully you can determine which part is causing the breakdown, then figure out what to do | 19:14 |
| elmiko | i mean, if you could determine the vm is misbehaving, or the network is stopping, you could fix it | 19:14 |
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| RobLevas | i hope... it looks like kvm eats about 105% of the CPU and then things start to get funky.. | 19:25 |
| crobertsrh | Here's some low hanging fruit (hopefully) reviews for the Sahara stuff in Horizon (well, at least the non-merge ones). This should take care of all the additional changes that went in since the merge process started. | 19:35 |
| crobertsrh | https://review.openstack.org/#/q/owner:%22Chad+Roberts%22+status:open,n,z | 19:35 |
| elmiko | got yer back crobertsrh ;) | 19:43 |
| crobertsrh | These reviews are considerably shorter :) | 19:43 |
| crobertsrh | Probably only 25-30 patch sets required | 19:44 |
| elmiko | cool, some of the merge ones were real bears... | 19:44 |
| elmiko | LOL | 19:44 |
| crobertsrh | Yeah. I couldn't really come up with a better way to merge that much code and keep it in meaningful chunks. | 19:44 |
| elmiko | hopefully we're finally rounding third base on those | 19:46 |
| crobertsrh | I'm really starting to have second, even third, thoughts about merging our goods into horizon. It seems to be quite a black whole even for reviews of "core horizon" things that a lot of people should care about. I'm losing confidence that future "data processing" changes will catch the attention of a critical mass of people to get it pushed through in a timely manner. | 19:51 |
| elmiko | i had a similar thought as i was looking at the changes that will be needed for the auth stuff | 19:51 |
| crobertsrh | These "extra" patches that I just sent up should serve as a good canary to see how well "more manageable" changes can get merged. | 19:51 |
| elmiko | crobertsrh: were some of these changes you pulled out of the bigger merges? | 20:01 |
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| crobertsrh | No, they were added to sahara-dashboard after the merge started | 20:35 |
| crobertsrh | sort of a "forward porting" of those changes. | 20:35 |
| elmiko | ahh, ok. i thought they looked familiar | 20:37 |
| crobertsrh | For the record, you +1 https://review.openstack.org/#/c/92833/ :) All of the sudden you're all picky :) | 20:38 |
| * elmiko checking | 20:39 | |
| elmiko | yea, it didn't occur to me then i guess lol | 20:39 |
| elmiko | i think it's because i looked at too many of the pep8 cleanup reviews | 20:39 |
| crobertsrh | Ha! | 20:39 |
| elmiko | might as well cleanup now lol | 20:40 |
| elmiko | i feel so bad putting a -1 on any of these horizon reviews because i know what a pita it's been :/ | 20:40 |
| crobertsrh | Nah, these are much easier....no monster dep chain tagging along on the backend of these | 20:41 |
| openstackgerrit | Andrew Lazarev proposed a change to openstack/sahara: Fixed volumes mount in case of existing volumes https://review.openstack.org/103691 | 20:42 |
| elmiko | yea, much easier to digest | 20:43 |
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| RobLevas | elmiko: just got done watching that video you sent me a link to. Awesome, thanks. Now to try out some of the tips. :) | 20:48 |
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| elmiko | RobLevas: cool, i'm glad you enjoyed it :) | 20:53 |
| elmiko | and good luck! | 20:53 |
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| RobLevas | thanks | 20:57 |
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| sballe_ | elmiko, Hi I now have my hadoop cluster working and running in devstack. Is there a place I can get a quick program to test taht it is actually working? I see reference in the docs to edp-wordcount but cannot find it. Thanks for anyhelp | 22:04 |
| RobLevas | sballe_: Are you running an instance of HDP? If so, you can install Hue and run through the tutorials - http://hortonworks.com/tutorials/ | 22:06 |
| elmiko | yea, that's a good place to start | 22:07 |
| sballe_ | no I am running the vanilla plugin vanilla 1.2.1 | 22:07 |
| RobLevas | sballe_: The latest version of the HDP plugin will install Hue for you. | 22:07 |
| sballe_ | RobLevas, ok. Maybe I should switch | 22:08 |
| RobLevas | sballe_: oh.. maybe the tutorials will work with that, but you may need to manually install Hue | 22:08 |
| sballe_ | RobLevas, ok | 22:08 |
| sballe_ | let me try... and I'll get back to yu :) thanks | 22:09 |
| openstackgerrit | A change was merged to openstack/sahara: Use immutable arg rather mutable arg https://review.openstack.org/103793 | 22:12 |
| sballe_ | RobLevas, What version of the HDP should I use? 1.3 or 2.0.6? | 22:12 |
| elmiko | sballe_: also look at https://github.com/openstack/sahara-extra , it has some examples | 22:13 |
| RobLevas | sballe_: 2.0.6 should have the option to install Hue | 22:13 |
| sballe_ | oh cool! I'll start with wordcount and then move on to HDF | 22:14 |
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