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rushiagr | I'm having a tough time setting up magnetodb-devstack behind the proxy | 06:03 |
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ajayaa | Hi dukhlov, | 08:22 |
openstackgerrit | Ilya Sviridov proposed a change to stackforge/magnetodb: DevStack installation hanging on ccm stage https://review.openstack.org/119458 | 08:30 |
dukhlov | Hello | 09:43 |
dukhlov | Hi, ajayaa | 09:43 |
ajayaa | dynamodb does not have support for List and dictionary data type it seems. | 09:44 |
dukhlov | correct | 09:44 |
ajayaa | Are we providing additional functionality? | 09:44 |
dukhlov | yes | 09:44 |
ajayaa | dukhlov, okay. | 09:45 |
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isviridov | Hello everybody | 09:45 |
ajayaa | Hi isviridov | 09:46 |
isviridov | ajayaa, hello | 09:46 |
ajayaa | dukhlov, Are we trying to support provisioned throughput as of now? | 09:47 |
ajayaa | in any way* | 09:48 |
isviridov | We are not. | 09:48 |
isviridov | We are not amazon and not all models are applicable for openstack. I mean mdb can be installed on different hardware and reach different performance. | 09:50 |
isviridov | However, the quota management isin roadmap and it is covers the case mostly. | 09:50 |
isviridov | BTW we have an opensourced benchmark for mdb. It is not under project ambrela yet, but available for usage. | 09:52 |
isviridov | Here it is https://github.com/AlexanderChudnovets/magnetodb-test-bench | 09:52 |
isviridov | rushiagr, what the problem? | 09:56 |
ajayaa | isviridov, ++ | 09:56 |
rushiagr | I've pinpointed it to command 'ccm test -v 2.0.8' command | 10:01 |
rushiagr | even when the proxy environment variables are set, it fails | 10:02 |
isviridov | rushiagr, how much memory? | 10:02 |
rushiagr | 4G total | 10:02 |
isviridov | rushiagr, all other openstack services are also enabled? nova, swift so on? | 10:03 |
rushiagr | no, only keystone and horizon | 10:04 |
rushiagr | let me check again. It should've started other services too I think | 10:04 |
rushiagr | here's the paste http://paste.openstack.org/show/108172/ | 10:05 |
isviridov | I see it first time. Will you file it as a bug? The usuall problem with memory. Each cassandra node requires 500Mb of memory by default. | 10:17 |
isviridov | rushiagr, FYI here is a patch where we experementing with memory https://review.openstack.org/#/c/119458/ | 10:18 |
isviridov | rushiagr, however have you managed to start C* cluster? | 10:19 |
rushiagr | the ccm itself don't have support for proxy it seems | 10:23 |
rushiagr | I downloaded cassdandra source, and was trying to run "ant jar" inside it, and it failed | 10:24 |
rushiagr | this 'ant jar' command I found out by looking into the code of ccm | 10:24 |
isviridov | rushiagr, not sure about proxy. It is easy to ask in cassandra channel. Have you exported it as env variable? | 10:32 |
rushiagr | sorry, in a meeting. Will be back in an hour, sorry | 10:32 |
isviridov | Another problem with ant, i think. You can try to pass JVM proxy setting like that | 10:32 |
isviridov | export JAVA_OPTIONS='-Dhttp.proxyHost=cache.com -Dhttp.proxyPort=3128' | 10:33 |
isviridov | rushiagr, sure. See you | 10:33 |
openstackgerrit | Ilya Sviridov proposed a change to stackforge/magnetodb: Added system memory info output https://review.openstack.org/119726 | 10:50 |
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rushiagr | ok, I'm back | 11:10 |
rushiagr | java_options didn't help | 11:10 |
rushiagr | isviridov_away: the review you posted is a different error | 12:09 |
rushiagr | isviridov_away: I'm filing a bug report for my problem, and will include all the details there | 12:09 |
rushiagr | here it is https://bugs.launchpad.net/magnetodb/+bug/1366788 | 12:15 |
isviridov_away | rushiagr, I know, I've added more output for shooting https://bugs.launchpad.net/magnetodb/+bug/1364469 | 12:15 |
rushiagr | isviridov_away: okay | 12:16 |
isviridov_away | rushiagr, first it is not target usecase for devstack and ccm to work behind proxy server. | 12:18 |
isviridov_away | rushiagr, but from your output i see that you have problems with DNS | 12:18 |
rushiagr | isviridov_away: atleast for devstack it is | 12:19 |
rushiagr | isviridov_away: I have seen bugs related to proxy variables in DevStack | 12:19 |
rushiagr | and in trove too | 12:19 |
rushiagr | isviridov_away: DNS I am not sure.. | 12:19 |
isviridov_away | another idea define -Dhttp.proxyHost as host without 'http://', and make sure that those paramaters are passed to java process. | 12:20 |
isviridov_away | with checking ps aux| grep java during running ant | 12:20 |
rushiagr | isviridov_away: okay. Trying.. | 12:20 |
isviridov_away | About DNS, /home/r/.ccm/repository/2.0.8/build.xml:274: java.net.UnknownHostException: repo2.maven.org looks like it can't resolve the host | 12:22 |
isviridov_away | could you wget http://repo2.maven.org from you VM? | 12:22 |
* isviridov_away have to leave right now for 30 mins | 12:23 | |
rushiagr | isviridov_away: sure, thanks for your help | 12:23 |
rushiagr | isviridov_away: I can do a wget for sure | 12:23 |
openstackgerrit | Andrei V. Ostapenko proposed a change to stackforge/magnetodb: Adds mechanism for request time measuring https://review.openstack.org/115314 | 12:33 |
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openstackgerrit | Ilya Sviridov proposed a change to stackforge/magnetodb: Added system memory info output https://review.openstack.org/119726 | 13:04 |
isviridov | dukhlov, ikhudoshyn_ please take a look at https://review.openstack.org/#/c/119726/ | 13:07 |
ikhudoshyn_ | isviridov, will do | 13:07 |
ajayaa | isviridov, Why dynamodb does not allow attribute definitions which are not present in either primary key and secondary index? | 13:19 |
ajayaa | https://bugs.launchpad.net/magnetodb/+bug/1268958 | 13:20 |
dukhlov | ajayaa, because it is not needed for dynamodb | 13:20 |
dukhlov | but magnetodb is based on cassandra | 13:21 |
dukhlov | and if you specify another attributes you will use native cassandra support for them | 13:21 |
ajayaa | dukhlov, okay. | 13:22 |
dukhlov | and inserting such attributes (predefined) will work faster then another attributes(dynamic) | 13:22 |
isviridov | ajayaa, good catch, it is not actual anymore. 'Won't fix' | 13:25 |
ajayaa | dukhlov, Does that mean that in dynamodb I can't have a table with more than six columns? | 13:26 |
ajayaa | dukhlov, Because it seems that I can't have more than five secondary indices. | 13:27 |
ajayaa | isviridov, I am confused now. Can I create such a table in dynamodb? | 13:28 |
ajayaa | Table where all attributes are not present in either primary or secondary index. | 13:29 |
isviridov | It is up to dynamodb. Have a look at http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Limits.html | 13:30 |
isviridov | For magnetodb such limits are very specific to hardware and workload. Benchmarking has to answer for such question. | 13:31 |
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isviridov | ajayaa, have I answered? | 13:38 |
ajayaa | isviridov, I haven't used dynamodb. So I don't know in detail about it. Just read the dynamodb paper. As you invalidated the bug, I can deduce that it is possible to create a table such that all attributes are not necessarily part of indices. | 13:40 |
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isviridov | ajayaa, not quite right. It is nessesary to mention all indexed attributes, all 'dynamic' attributes shouldn't be desccribed and will be defined during putting data. | 13:43 |
isviridov | ajayaa, it is possible to get 1 year free tier where dynamodb is included http://aws.amazon.com/free/ | 13:45 |
isviridov | You need only credit card for this | 13:45 |
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openstackgerrit | Oleksandr Minakov proposed a change to stackforge/magnetodb: Adds count table item in monitoring API https://review.openstack.org/118557 | 13:48 |
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isviridov | Hello SpyRay | 13:49 |
isviridov | SpyRay, welcome back | 13:49 |
SpyRay | Hi all! | 13:49 |
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isviridov | SpyRay, rushiagr has trables with installing devstack with mdb behind the proxy | 13:51 |
isviridov | SpyRay, here it is https://bugs.launchpad.net/magnetodb/+bug/1366788 | 13:51 |
isviridov | SpyRay, could you take a look? | 13:51 |
SpyRay | Sure | 13:52 |
isviridov | gr8! | 13:52 |
dukhlov | ajayaa, "Does that mean that in dynamodb I can't have a table with more than six columns?" - No | 13:56 |
dukhlov | you can but you can't specify types of them in table schema at table creation time | 13:57 |
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isviridov | Hello charlesw | 13:59 |
charlesw | Hi isviridov | 13:59 |
isviridov | Hello ominakov. How are you today? | 14:01 |
ominakov | hello guys | 14:02 |
ominakov | hello isviridov, i'am fine | 14:02 |
openstackgerrit | Ilya Sviridov proposed a change to stackforge/magnetodb: (WIP)Adds count table item in monitoring API https://review.openstack.org/118557 | 14:02 |
isviridov | ominakov, any success with getting table size? | 14:03 |
isviridov | Do we know how to get it from C*? | 14:03 |
ominakov | unfortunately no, I can't find this information in system table | 14:04 |
isviridov | What do guys from cassadnra say? | 14:05 |
ominakov | i've asked this question in C* irc channel, but not received any response | 14:06 |
openstackgerrit | Andrei V. Ostapenko proposed a change to stackforge/magnetodb: Fixes bug with put item predefined attributes https://review.openstack.org/119462 | 14:19 |
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charlesw | I don't believe C* maintains a row or key count on table. CQL's select count(*) from has a limit and can take very long time if limit is too high. nodetool cfstats can provide estimate of number of keys but there's no accurate count. | 14:41 |
openstackgerrit | A change was merged to stackforge/magnetodb: Added system memory info output https://review.openstack.org/119726 | 14:42 |
openstackgerrit | Alexei Vinogradov proposed a change to stackforge/magnetodb: Heap memory parameters are configurable now https://review.openstack.org/119458 | 14:46 |
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isviridov_away | jeromatron, hello | 15:23 |
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isviridov | jeromatron, we need your help with C* | 15:24 |
isviridov | :) | 15:24 |
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jeromatron | okay, what's up? | 15:25 |
isviridov | You know we are working on building monitoring api in mdb | 15:25 |
isviridov | The thing is we need to expose size of table in bytes | 15:25 |
isviridov | Is there any way in cassadnra to get such info? | 15:26 |
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* isviridov can't catch this guy | 15:32 | |
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isviridov | jeromatron, I can't catch you :) | 15:37 |
jeromatron | I'll be in the office shortly. the only way I know is through jmx, getting the column family stats on each node and add those up but that's not 100% accurate. | 15:37 |
jeromatron | the opscenter guys collect some of that and they expose it through their rest api. I can check with them on that | 15:37 |
jeromatron | brb | 15:37 |
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openstackgerrit | Oleksandr Minakov proposed a change to stackforge/magnetodb: (WIP) Adds count table item in monitoring API https://review.openstack.org/118557 | 15:40 |
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rushiagr | thanks guys for triaging the bug, and targetting it for j-rc1. Very much needed for our evaluation efforts.. | 17:24 |
openstackgerrit | Andrei V. Ostapenko proposed a change to stackforge/magnetodb: Adds mechanism for request time measuring https://review.openstack.org/115314 | 17:30 |
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openstackgerrit | Andrei V. Ostapenko proposed a change to stackforge/magnetodb: Adds mechanism for request time measuring https://review.openstack.org/115314 | 17:42 |
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openstackgerrit | Andrei V. Ostapenko proposed a change to stackforge/magnetodb: Adds mechanism for request time measuring https://review.openstack.org/115314 | 18:08 |
openstackgerrit | Andrei V. Ostapenko proposed a change to stackforge/magnetodb: Adds mechanism for request time measuring https://review.openstack.org/115314 | 18:19 |
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jeromatron | isviridov_away just checking with the opscenter guys now. it sounds like that's what they do. just get the jmx estimate and add it up through the cluster. | 19:03 |
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openstackgerrit | Oleksandr Minakov proposed a change to stackforge/magnetodb: (WIP) Adds count table item in monitoring API https://review.openstack.org/118557 | 20:58 |
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