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#openstack-nova - 2017-05-05
07:55:35 openstackgerrit jichenjc proposed openstack/nova master: Remove the rebuild extension help methods https://review.openstack.org/451346
08:00:10 openstackgerrit Alex Xu proposed openstack/nova master: Totally freeze the extension_info API https://review.openstack.org/462825
08:06:32 openstackgerrit Rodolfo Alonso Hernandez proposed openstack/nova master: Read Neutron port 'binding_profile' during boot https://review.openstack.org/449257
08:17:06 openstackgerrit Roman Podoliaka proposed openstack/nova master: service: use restart_method='mutate' for all services https://review.openstack.org/462600
08:19:27 openstackgerrit falseuser proposed openstack/nova master: [BugFix] Change the parameter of the exception error message https://review.openstack.org/461985
08:26:05 ygl Hi all
08:26:23 ygl can some one explain to me why boot from volume is faster than boot from image ?
08:40:15 openstackgerrit jichenjc proposed openstack/nova master: Use plain routes list for os-migrations endpoint instead of stevedore https://review.openstack.org/461628
08:40:50 openstackgerrit sahid proposed openstack/nova master: network: update pci request spec to handle trusted tags https://review.openstack.org/458820
08:40:50 openstackgerrit sahid proposed openstack/nova master: libvirt: configure trust mode for vfs https://review.openstack.org/458514
08:40:51 openstackgerrit sahid proposed openstack/nova master: network: add command to configure trusted mode for VFs https://review.openstack.org/458513
08:54:23 openstackgerrit jichenjc proposed openstack/nova master: Use plain routes list for os-services endpoint instead of stevedore https://review.openstack.org/460818
09:05:13 openstackgerrit Matthew Booth proposed openstack/nova master: libvirt: Pass instance to connect_volume and disconnect_volume https://review.openstack.org/450383
09:06:26 mdbooth johnthetubaguy: ^^^ was a rebase after a merge conflict. Would you mind a fast re-approve?
09:09:03 johnthetubaguy sure
09:09:23 mdbooth Thanks
09:10:34 mdbooth Does anybody else use os-log-merger, btw?
09:26:15 cdent mdbooth: a) first I've heard of it but b) probably would have if I had known about it
09:26:40 mdbooth I've been using it for a bit, just about to start submitting patches
09:26:41 cdent there's a lot of opinion about logs: separate is better! merged is better! stop it you grapes, use journald!
09:26:47 cdent etc
09:27:08 mdbooth I'd previously written my own which performed the same function
09:27:30 mdbooth Merged is the only way to go in my experience :)
09:28:28 kashyap mdbooth: Yeah, first ajo called it "oslogmerger"
09:28:36 kashyap My brain used to read it as "Oslo GMerger"
09:28:56 mdbooth Unfortunately, os-log-merger unfortunately uses stupid sorting which makes it slow and a memory hog
09:29:11 mdbooth But it suffices and I don't have to maintain it myself
09:29:36 mdbooth The one I wrote in bash and awk was a lot faster, if a little obtuse :)
09:30:34 kashyap Ah, os-log-merger is part of OpenStack upstream repos
09:30:39 mdbooth Yep
09:31:22 kashyap mdbooth: Your `bash` / `awk` equivalent, all lives in one file I suppose?
09:31:47 mdbooth Yep
09:32:44 mdbooth http://paste.openstack.org/show/608943/
09:34:07 mdbooth Basically it creates an awk process per input file which munges the inputs, then merge sorts the output of the multiple awk processes
09:34:21 mdbooth Like I said, it's very fast but a little obtuse :)
09:34:43 mdbooth Also not very flexible with multiple timestamp formats
09:36:02 kashyap What's obtuse in that line! :P -
09:36:03 kashyap if ($2 ~ /[0-9]{2}:[0-9]{2}:[0-9]{2}\.[0-9]{3}/)
09:36:11 openstackgerrit NidhiMittalHada proposed openstack/python-novaclient master: Nova volume-attach doesn't care for device name https://review.openstack.org/454048
09:36:25 mdbooth kashyap: What? Nothing could be clearer!
09:37:11 kashyap I recall you've done Tcl, too
09:37:17 mdbooth Indeed
09:37:41 mdbooth And Java, C, and OCaml.
09:38:15 mdbooth Professionally, anyway.
09:38:52 sfinucan ...and Tcl, for that matter
09:38:57 sfinucan everything's a string, my ass
09:39:12 kashyap LOL
09:39:18 mdbooth sfinucan: Perl doesn't have a bug up it's arse about being a proper language :P
09:39:27 mdbooth It's right there in the name
09:39:42 mdbooth It's a disgusting bunch of hacks for sysadmins to use to get stuff done quickly with
09:39:57 mdbooth Same as Python, but python is delusional
09:41:01 sfinucan mdbooth: We had a test framework for OVS when I worked in Intel
09:41:55 sfinucan Interacted with some (outrageously expensive) IXIA traffic generators to run nightly performance benchmarking tests
09:42:06 sfinucan Bash. Thousands of lines of bash.
09:42:32 mdbooth Haha
09:42:57 mdbooth My rule of bash is that as soon as you need the manpage, you need to be planning a rewrite :)
09:42:59 sfinucan with some Tcl thrown in because IXIA knew how to build traffic generators but had zero idea about writing usable APIs
09:43:18 sfinucan :D very true
09:43:57 sfinucan I insist of 'set -e' at the top of any script
09:44:41 sfinucan *set -u, rather
09:45:08 kashyap "Treat unset variables and parameters other than the special parameters ‘@’ or ‘*’ as an error when performing parameter expansion. An error message will be written to the standard error, and a non-interactive shell will exit."
09:45:18 sfinucan -e is quit on any exit
09:45:21 sfinucan -u is that ^ :)
09:45:24 kashyap sfinucan: Yeah, was wondering about '-e', which is about exit rules involving pipelines
09:45:28 sfinucan *uit on any error
09:46:56 sfinucan Still better than what my college buddies who chose the hardware engineering track have to deal with
09:47:46 sfinucan Hardware testers with the cruftiest APIs you've ever seen (many using VB, oddly), and none of the skills to write wrappers and make things usable :( poor guys
09:49:03 mdbooth sfinucan: But it's Friday :) Also, I feel like I haven't moaned about Python in months.
09:50:08 sfinucan mdbooth: It is! And the suns out and people are cutting their lawns. No better day to embrace the way of Python ;)
09:50:31 mdbooth Hehe, from datetime: "An aware object is used to represent a specific moment in time that is not open to interpretation [1]."
09:50:40 mdbooth "[1]If, that is, we ignore the effects of Relativity"
09:54:16 openstackgerrit Sylvain Bauza proposed openstack/nova master: WIP: Delete existing allocations for move operations or retries https://review.openstack.org/460433
09:54:17 openstackgerrit Sylvain Bauza proposed openstack/nova master: WIP: Allocate instance by the conductor https://review.openstack.org/460455
09:54:17 openstackgerrit Sylvain Bauza proposed openstack/nova master: Don't delete allocation if instance being scheduled https://review.openstack.org/460177
09:59:45 mdbooth cdent: I'd copyright it, but I expect it's not original
10:00:12 cdent seems likely to be plenty of independent developments
10:01:52 johnthetubaguy we may have just out nerded that author
10:02:00 mdbooth lol
10:02:03 cdent \o/
10:02:24 sfinucan 🙈
10:02:27 openstackgerrit Rodolfo Alonso Hernandez proposed openstack/nova master: Read Neutron port 'binding_profile' during boot https://review.openstack.org/449257
10:02:50 openstackgerrit suzhengwei proposed openstack/nova master: compute_model problem https://review.openstack.org/462897
10:04:16 openstackgerrit suzhengwei proposed openstack/nova master: compute_model problem https://review.openstack.org/462897
10:11:19 openstackgerrit Sylvain Bauza proposed openstack/nova master: WIP: Allocate instance by the conductor https://review.openstack.org/460455
10:11:19 openstackgerrit Sylvain Bauza proposed openstack/nova master: WIP: Delete existing allocations for move operations or retries https://review.openstack.org/460433
10:40:34 bauzas cdent: good point on the allocations being deleted when adding new ones
10:42:14 cdent bauzas: It's kind of non-obvious
10:42:27 bauzas cdent: I think that's the main problem
10:42:34 bauzas cdent: maybe we should be explicit ?
10:43:07 bauzas cdent: also, the problem is that if the scheduler doesn't provide a new destination, then we should still have the wrong allocation
10:43:22 bauzas cdent: so, probably something being discussed at the summit
10:43:22 cdent well it depends on how we want things to mean. The way in which it is possible to replace allocations is something that we added in the late rush at the end of newton
10:43:40 cdent I do agree that managing the information explicitly is usually a good idea
10:58:57 openstackgerrit falseuser proposed openstack/nova master: [BugFix] Release the memory quota for video ram when deleting an instance. https://review.openstack.org/456050
11:03:40 openstackgerrit falseuser proposed openstack/nova master: [BugFix] Release the memory quota for video ram when deleting an instance. https://review.openstack.org/456050
11:45:52 openstackgerrit Stephen Finucane proposed openstack/nova master: libvirt: remove scality volume driver https://review.openstack.org/449364
11:49:20 ygl hi all
11:49:40 ygl can anyone explain to me why boot from volume is faster than boot from image ?
12:07:25 openstackgerrit Stephen Finucane proposed openstack/nova master: conf: Rename qemu_enable_gluster_storage_driver https://review.openstack.org/447091
13:23:23 openstackgerrit Matt Riedemann proposed openstack/nova master: [BugFix] Release the memory quota for video ram when deleting an instance. https://review.openstack.org/456050

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