| Mava | hey guys, help me to understand: one of my friends told me that he was running some experiments on a one server containing 256 CPU cores. Is he lying to me or can it be "relatively" easily achieved ? | 04:04 |
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| nicolas17 | Mava: for *only* $13.34 per hour you can use an AWS server with 128 cores and 2TB of RAM | 04:06 |
| Mava | nicolas17: is the processing then spanned somehow over several hardwares ? | 04:07 |
| Mava | on the other hand you might have quad socket with xeon platinum 8180 (56 threads): that means 224 threads in a single server | 04:09 |
| nicolas17 | apparently that particular AWS server uses multi-socket Xeon E7-8880 v3 (Haswell) | 04:10 |
| Mava | thats an old server | 04:10 |
| Mava | or a cpu | 04:10 |
| nicolas17 | and obviously it's NUMA | 04:10 |
| Mava | must be | 04:12 |
| cpaelzer_ | good morning | 04:39 |
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| lordievader | Good morning | 06:06 |
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| coreycb | jamespage: do you have any opinions on keeping/dropping uwsgi support for openstack merges? | 12:17 |
| coreycb | jamespage: for example, sahara-api uses uwsgi for py3. seems we might want to drop it and get apache2/eventlet working. | 12:19 |
| jamespage | coreycb: just switch it over to mod-wsgi - if we place all of the binaries in python in python{3}-<module> then if someone wants to use uwsgi they can do so without packaging bits | 12:20 |
| jamespage | i.e. apt install python3-sahara + uwsgi | 12:20 |
| jamespage | avoiding any mod-wsgi stuff we default to for more automated installs via pkging | 12:20 |
| coreycb | jamespage: ok, similar to what we have for gnocchi then | 12:22 |
| coreycb | jamespage: i debated moving libapache2-mod-wsgi-(py3) to python(3)-<module> but decided not to. suppose i could be convinced otherwise though for ease of switch to py3. | 12:25 |
| blackflow | but it's not a python module. maybe tehre should be some consistency in what is python3-*, as in actual python modules (those you can 'import'). | 12:26 |
| coreycb | blackflow: yes, seems that should be the case. for openstack it just might be simpler for users to have a consistent way to move to python 3, where all you'd have to do is install the python3-<module> across all projects, rather than having to know to install libapache2-mod-wsgi-py3 or perhaps other deps. (where python3-<module> and libapache2-mod-wsgi-py3 are alternative dependencies) | 12:31 |
| blackflow | yea but mod-wsgi is an apache module not a python module, that's my point. | 12:32 |
| coreycb | blackflow: agreed | 12:32 |
| coreycb | blackflow: thanks for the input | 12:33 |
| blackflow | yw | 12:33 |
| jamespage | coreycb: I think we need to not have that dependency | 12:44 |
| jamespage | python*-<component> will work with either | 12:44 |
| jamespage | so our '<component>-api' package can be opinionated and install python3-sahara + libmod-wsgi-py3 | 12:45 |
| jamespage | leaving others to use uwsgi + python3-sahara if they want without pulling in apache | 12:45 |
| jamespage | but I think you got to that point anyway! | 12:45 |
| coreycb | jamespage: ok right, that's where i am now. so sahara-api depends on libapache2-mod-wsgi-py | libapache2-mod-wsgi-py3. but installing the sahara-api is optional if someone wants to use uwsgi. | 12:46 |
| coreycb | and sahara-api depends on python-sahara | python3-sahara | 12:46 |
| coreycb | jamespage: thanks for the input | 12:47 |
| jamespage | coreycb: I think the quicker we can get through the 'alternatives' stage the better - we can have an opinionated default of py3 + mod-wsgi - but if someone wants to use py2 + mod-wsgi or py2/3 + uwsgi that's also doable, but not via dependencies - i.e. explicit install of components | 12:50 |
| coreycb | jamespage: true but if we don't have a simple py2 api path then we're going to get a lot of bugs incoming like the gnocchi one. it's not that much work to have libapache2-mod-wsgi-py | libapache2-mod-wsgi-py3. | 12:53 |
| jamespage | ok | 12:54 |
| coreycb | jamespage: the apache config is the same. i think? | 12:54 |
| jamespage | I think we reduce the risk of people getting things wrong with reference to alternative dependencies if we do one thing i.e. py3 + mod-wsgi | 12:54 |
| jamespage | but I also appreciate that's not working everywhere yet | 12:54 |
| jamespage | so hence 'quicker through the alternatives phase' rather than 'just don't do it' | 12:55 |
| jamespage | if that makes sense | 12:55 |
| coreycb | part of the problem is that upstream is not fully py3 supported | 12:56 |
| coreycb | jamespage: ^ i'm picturing just dropping libapache2-mod-wsgi-py and python-<module> with a breaks/replaces on all projects at once when py3 is fully supported | 12:57 |
| jrewing | Hi. are anyone good @ pxe servers? Ive followed thos manuals that I can find and I cant get it work.. so my question is, is there anyone here that can help me? | 13:53 |
| rbasak | jrewing: please ask your question. People who can help usually don't volunteer themselves without knowing what the question is first. | 13:55 |
| jrewing | rbasak: sorry.. I need help to install an PXE- server | 13:57 |
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| rbasak | jrewing: start by reading https://wiki.ubuntu.com/IRC/Guidelines and http://www.sabi.co.uk/Notes/linuxHelpAsk.html please - that'll help you ask the right questions here to get the most useful help. | 13:58 |
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| jrewing | rbasak: thanks, i did read some of it...i will resend my question :) | 14:12 |
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| jrewing | Im trying to install an PXE server and I cant get it work... it wont start ftpboot. ive tryed to reinstall all as the manuals said byt i still get the same problem and i wonder if there is anyone here that can help med to install through some remoteprogram? | 14:15 |
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| SliderFish | Hi, I've got a question re .htaccess redirect problem I'm having, I thought someone here might be able to help maybe? I'm trying to redirect all files in directory from (domain.com/other)/transfer/ to (domain.com/other)/files/, but the rules that I'm entering redirect me to (domain.com)/var/www/html/other/files/. I haven't found anything useful after searching for a while so I thought I'd try here. Thanks! | 20:41 |
| Aison | what could be wrong here? | 21:29 |
| Aison | man: error while loading shared libraries: libmandb-2.8.3.so: cannot open shared object file: Permission denied | 21:29 |
| Aison | I get this error whenever I try to read a manpage | 21:29 |
| Aison | as root! | 21:29 |
| sarnold | Aison: check your dmesg or audit logs, there's a possibility your apparmor profiles are too tight | 21:31 |
| Aison | oh, strange: [ 572.147660] audit: type=1400 audit(1528752452.004:86): apparmor="DENIED" operation="sendmsg" profile="/usr/bin/man" pid=2220 comm="man" laddr=10.0.0.14 lport=899 faddr=10.0.0.2 fport=2049 family="inet" sock_type="stream" protocol=6 requested_mask="send" denied_mask="send" | 21:32 |
| sarnold | okay that's curious | 21:34 |
| sarnold | why exactly is your man process using the network? | 21:34 |
| sdeziel | NFS mounts maybe? | 21:35 |
| Aison | yes, exactly, nfs mounts | 21:35 |
| Aison | it used to work over an year now. strange things are happening now ;) | 21:36 |
| sdeziel | Aison: man is apparently contained by apparmor now | 21:36 |
| sdeziel | this is one of the annoying thing with Apparmor and NFS | 21:38 |
| Aison | going to remove apparmor | 21:38 |
| Aison | it is a complete closed box anyway | 21:39 |
| sarnold | sdeziel: dude, nice crystal ball :) | 21:39 |
| sarnold | sdeziel: I guess the 2049 should have said it all | 21:39 |
| sdeziel | sarnold: TCP/2049 ;) | 21:39 |
| sarnold | still :D | 21:39 |
| jdstrand | Aison: you can update /etc/apparmor.d/local/usr.bin.man to have: 'network inet,' then do: 'sudo apparmor_parser -r /etc/apparmor.d/usr.bin.man' and it should start to work | 21:45 |
| jdstrand | Aison: if you could file a bug at https://bugs.launchpad.net/ubuntu/+source/manpages/+filebug, then a dev can get it fixed for everyone | 21:45 |
| sdeziel | jdstrand: if the NFS server is referenced by a DNS name, would it need <abstractions/nameservice>? | 21:50 |
| jdstrand | sdeziel: yes, to get nsswitch.conf | 21:51 |
| sdeziel | jdstrand: OK, thanks | 21:52 |
| jdstrand | it may not need all of abstractions/nameservice. I've not tried it | 21:52 |
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