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| openstackgerrit | Tim Burke proposed openstack/liberasurecode master: Use zlib for CRC-32 https://review.openstack.org/459023 | 00:14 |
|---|---|---|
| openstackgerrit | Tim Burke proposed openstack/liberasurecode master: Stop pretending to support SSE4-optimized CRC-32C https://review.openstack.org/480776 | 00:14 |
| zaitcev | wait, which one is it | 00:14 |
| timburke | both. i realized ripping out the never-been-used code might be more reasonable as a separate change | 00:15 |
| zaitcev | ok | 00:15 |
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| clayg | thurloat: handoffs_first mode can help with that! | 00:23 |
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| thurloat | clayg oh that's neat, it priotizes shipping off files that would be otherwise missing? | 00:25 |
| thurloat | you have to restart the object server to apply that though? | 00:25 |
| clayg | it's an object-replicator option | 00:26 |
| clayg | it prioritizes replication of partitions that are not in the right place - which could cause 404/missing | 00:26 |
| thurloat | cool beans | 00:27 |
| thurloat | if I apply that on the object server nodes where I know the data currently exists that I want to be found again asap, that could help speed up the process | 00:27 |
| thurloat | I could imagine a situation where the replicator is backed up with actual new data replication tasks that don't get shipped off in time | 00:28 |
| thurloat | could that be an issue/ | 00:28 |
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| openstackgerrit | Tovin Seven proposed openstack/swift master: OSprofiler in OpenStack Swift https://review.openstack.org/468316 | 01:08 |
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| zaitcev | I'm trying to rebuild liberasurecode on Fedora, it blows up because it links with the installed version and then checks fail. | 01:37 |
| zaitcev | Using libtool is (almost) always a mistake these days. You can use LDFLAGS on everything, including OSX and Windows. | 01:38 |
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| kota_ | back to online | 02:07 |
| kota_ | oh, increase part power get merged!? congrats | 02:07 |
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| openstackgerrit | Pete Zaitcev proposed openstack/liberasurecode master: Undo parts of I0e79bed7755a1f286b746a70fcf56fdc972bfd5d https://review.openstack.org/480821 | 03:55 |
| zaitcev | Sorry, kota_ | 03:55 |
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| kota_ | zaitcev: no worries, it looks like you need that | 03:58 |
| zaitcev | https://kojipkgs.fedoraproject.org//work/tasks/1144/20351144/build.log | 03:58 |
| zaitcev | but it reproduces on my laptop too | 03:58 |
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| kota_ | zaitcev: perhaps, you may run the test via /build/BUILD/liberasurecode-1.5.0/test/liberasurecode_test ? | 04:26 |
| kota_ | ah, no, it looks like you are calling just `make test` | 04:27 |
| zaitcev | yes | 04:27 |
| kota_ | AFAIK, test/liberasurecode_test is a script to run .libs/lt-liberasurecode_test with relink to ../src/.libs/liberasurecode.so | 04:29 |
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| kota_ | hmm... interesting | 04:29 |
| zaitcev | The point is, "make test" used to work in 1.4.0. I tried to figure out in detail what went wrong, but ended in the innards of libtool very quickly. | 04:30 |
| kota_ | hmm | 04:31 |
| kota_ | ok I was missing something, thanks for bringing up | 04:33 |
| kota_ | zaitcev: ^ | 04:33 |
| zaitcev | Things happen when software gets used. | 04:33 |
| kota_ | exactly | 04:36 |
| kota_ | the interesting point is `make test` works with 1.5.0 in my ubuntu box | 04:38 |
| kota_ | that sounds from version diff for libtool (or automake?) ? idk | 04:39 |
| zaitcev | do you have it installed by any chance too? | 04:39 |
| zaitcev | It will link to one in /usr/lib or /usr/local/lib without telling you | 04:40 |
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| kota_ | lemme check | 04:43 |
| kota_ | liberasurecode.1.5.0 located in /usr/local/lib but even i remove the library with `sudo rm /usr/local/lib/liberasurecode.so*`, `make test` runs successfully so that it looks to point out the correct local .so files in the repository | 04:45 |
| zaitcev | right... you can also verify with ldd | 04:46 |
| kota_ | ldd shows like "liberasurecode.so.1 => /opt/stack/liberasurecode/src/.libs/liberasurecode.so.1 " | 04:48 |
| kota_ | /opt/stack/liberasureode is a clone from github repo | 04:48 |
| kota_ | hmm... | 04:49 |
| zaitcev | There's something fishy about it. If I capture the build directory and re-run configure in it, everything works too. | 04:49 |
| zaitcev | even if I just run ./config.status | 04:50 |
| zaitcev | So, the only way to reproduce it is to let RPM to build it. | 04:51 |
| kota_ | :/ | 04:53 |
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| kota___ | hmm... irc disconnected :/ | 05:15 |
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| acoles | good morning | 08:04 |
| openstackgerrit | Daniele Pizzolli proposed openstack/swift master: Add full working example of sharing a container with another user https://review.openstack.org/473862 | 08:40 |
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| kota_ | acoles: hi | 12:13 |
| acoles | kota_: hi are you feeling better? | 12:13 |
| kota_ | better than yesterday | 12:14 |
| kota_ | acoles: i have a bad news for isa_l_rs_vand discussed in the irc meeting | 12:14 |
| kota_ | acoles: at least, i found a bad combination with isa_l_rs_vand k=24, m=4 | 12:14 |
| kota_ | that means m <= 4 could have bad parameters as discussed the issue board | 12:15 |
| kota_ | I've been running gready check for the k x m combinations but it looks it needs more time to finish whole calculation | 12:16 |
| acoles | kota_: :( so that is 24 data, 4 parity? | 12:16 |
| kota_ | yes | 12:16 |
| kota_ | I'll continue the calculation tommorow and summarize what is actually bad parameters | 12:17 |
| kota_ | just notify you for current status | 12:17 |
| kota_ | and, the better news is the newer pyeclib and liberasurecode can raise an error for the bad combination | 12:18 |
| kota_ | so that it results in just an error, not making a new bad fragment. | 12:18 |
| acoles | so, in terms used on https://github.com/01org/isa-l/issues/10#issuecomment-310944022 , that is (k=24, m-k=4) so, yeah, outside the bounds described there | 12:18 |
| acoles | kota_: thanks for sharing that result | 12:19 |
| acoles | kota_: so does pyeclib raise an error when failing to decode or when creating the encoder/decoder? | 12:19 |
| kota_ | yes | 12:20 |
| kota_ | wait a bit | 12:20 |
| acoles | I mean, can swift use (24,4)? (I think so, I am just confirming your statement) | 12:20 |
| kota_ | i think https://github.com/openstack/liberasurecode/commit/74eaa374c107d1a9e140fc7a8c1bf91386619940 <- this commit saves us | 12:21 |
| kota_ | yes, swift can use. current k + m constraint is just... k + m <=32 and m !>= 5 for isa_l | 12:22 |
| kota_ | isal_rs_vand | 12:22 |
| kota_ | ah | 12:24 |
| kota_ | for pyeclib raise an error, pyeclib can detect un-recoverable fragment combination when calling *decode* | 12:25 |
| kota_ | and raise an error if it is not possible to decode | 12:25 |
| kota_ | (or reconstruct) | 12:25 |
| kota_ | so it still is able to store (PUT/encode) objects into the k=24, m=4 isa_l_rs_vand policy, IIRC. | 12:26 |
| mattoliverau | kong: just been re-testing patch 470158. Looks great. Works well, deletes and only uses the minimum extra .ts files as needed based on the partitions number of primary locals (affinity). | 12:26 |
| patchbot | https://review.openstack.org/#/c/470158/ - swift - Write-affinity aware object deletion | 12:26 |
| mattoliverau | kong: so given it the +2/+A. Nice work! | 12:27 |
| mattoliverau | and on that note. I'm going to bed :) | 12:27 |
| mattoliverau | night all | 12:27 |
| acoles | mattoliverau: g'night, good work! | 12:27 |
| acoles | kota_: yep, that's what I thought | 12:27 |
| kota_ | mattoliverau: good night! | 12:28 |
| kota_ | acoles: kk, i'm willing to update the status more tommorow after calculating which parameter can be chosen and not good. | 12:29 |
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| acoles | kota_: are you running tests on other schemes e.g. 22+4? | 12:30 |
| kota_ | for all combinations, in k + m <= 32 | 12:30 |
| kota_ | greedy testing takes a long time | 12:30 |
| acoles | kota_: fantastic! thanks | 12:31 |
| kota_ | i hope it finished today but it looks still in mid of whole testing yet :/ | 12:32 |
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| kong | mattoliverau: thanks! | 13:04 |
| kong | seems I got a good news before i go to bed :-) | 13:05 |
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| openstackgerrit | Merged openstack/swift master: Write-affinity aware object deletion https://review.openstack.org/470158 | 14:00 |
| openstackgerrit | OpenStack Proposal Bot proposed openstack/swift master: Updated from global requirements https://review.openstack.org/88736 | 14:05 |
| openstackgerrit | Alex Szarka proposed openstack/swift master: Use more specific asserts in test/unit/account tests https://review.openstack.org/476464 | 14:08 |
| openstackgerrit | Alex Szarka proposed openstack/swift master: Use more specific asserts in tests https://review.openstack.org/476464 | 14:08 |
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| thurloat | clayg thanks again for the handoffs_first tip yesterday, worked out perfectly most objects are resolved again. | 14:19 |
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| notmyname | kota_: thanks for the info on EC | 14:55 |
| notmyname | remind me why we use vand instead of cauchy? | 14:55 |
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| openstackgerrit | Christopher Bartz proposed openstack/python-swiftclient master: Option to ignore mtime metadata entry. https://review.openstack.org/481117 | 15:31 |
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| clayg | kong: wtg! thanks for that fix! | 16:46 |
| clayg | kong: what's next!? | 16:47 |
| clayg | kota_: omg - thank you so much for doing that | 16:47 |
| clayg | timburke notmyname: if we change the "requirements" for isa-l rs_vand do you think we have to do a whole 'nother cycle of "warning this is bad" before we switch "newly" bad policies to proxies wont' start unless deprecated? | 16:48 |
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| notmyname | if requirements for isa-l change, we don't have to do anything in swift, I think | 16:54 |
| notmyname | (un)fortunately, we don't have any way to even enforce a new isa-l dependency. at least currently | 16:56 |
| notmyname | that is, there isn't a hard dependency. we could write something in libec to check the version and enforce it, but still, does that mean anything for swift? | 16:57 |
| notmyname | tertiary dependencies, no fun | 16:57 |
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| openstackgerrit | Tim Burke proposed openstack/python-swiftclient master: Option to ignore mtime metadata entry. https://review.openstack.org/481117 | 17:23 |
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| openstackgerrit | Tim Burke proposed openstack/liberasurecode master: Use zlib for CRC-32 https://review.openstack.org/459023 | 17:43 |
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| openstackgerrit | Tim Burke proposed openstack/liberasurecode master: Un-inline get/set_metatdata_chksum https://review.openstack.org/459028 | 18:01 |
| openstackgerrit | Tim Burke proposed openstack/swift master: WIP: Move listing formatting out to proxy middleware https://review.openstack.org/449394 | 18:09 |
| notmyname | FYI http://lists.openstack.org/pipermail/openstack-dev/2017-July/119354.html | 18:11 |
| openstackgerrit | Merged openstack/swift master: Switch from oslosphinx to openstackdocstheme https://review.openstack.org/478402 | 18:16 |
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| notmyname | rledisez: if you've got more specific points for the LOSF, that would be great to add before the PTG. i'd love to walk into the conversation with a set of actual questions instead of just "what should we talk about with LOSF" | 18:47 |
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| timburke | thanks for the libec reviews zaitcev! | 19:06 |
| zaitcev | you did all the work | 19:06 |
| timburke | only five months after kicking over that rock :P | 19:06 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/swift master: Updated from global requirements https://review.openstack.org/88736 | 19:11 |
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| openstackgerrit | Tim Burke proposed openstack/python-swiftclient master: Allow --meta on upload https://review.openstack.org/481202 | 19:43 |
| openstackgerrit | John Dickinson proposed openstack/swift master: docs migration from openstack-manuals https://review.openstack.org/481221 | 20:21 |
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| tdasilva | timburke, kota_, clayg: can you confirm i'm following the correct approach for this bug: https://bugs.launchpad.net/swift/+bug/1665242 | 20:23 |
| openstack | Launchpad bug 1665242 in OpenStack Object Storage (swift) "Reconstruction with liberasurecode_rs_vand can get memory leak" [Undecided,New] | 20:23 |
| tdasilva | since it has been fixed in libec, i want to set it to released in swift too??? | 20:23 |
| timburke | i wonder if we should just remove swift from the bug or mark it invalid... we're not really "affected" except insofar as we may have noticed it originally in swift -- but if we noticed some memory leak as the result of cpython or eventlet, would we have a swift bug to track the upstream bug? | 20:26 |
| tdasilva | timburke: yeah, i wasn't really sure why it was created like that, even for pyeclib, it's the same, right? I noticed the comment said: "Note that this leak caused at the liberasurecode layer so what both pyeclib and Swift users can do is just upgrading your *liberasurecode* after the fix get merged" | 20:28 |
| clayg | yay, patch 481221 is going to be amazing! | 20:31 |
| patchbot | https://review.openstack.org/#/c/481221/ - swift - docs migration from openstack-manuals | 20:31 |
| notmyname | clayg: remains to be seen ;-) | 20:31 |
| notmyname | if this is the right way, then there's one more thing to do (move the existing install-guide to docs/source/install), but I think that's pretty much it | 20:32 |
| clayg | tdasilva: timburke: does swift say it depends on a fixed version of libec? Otherwise maybe that can be our bug? | 20:33 |
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| notmyname | tdasilva: https://docs.openstack.org/swift/latest/ is ugly now ;-) | 20:37 |
| notmyname | no, wait. "it's big because we're all old" now | 20:37 |
| tdasilva | heh | 20:37 |
| clayg | i think it's fine | 20:38 |
| tdasilva | https://docs.openstack.org/swift/latest/overview_object_versioning.html that's just messed up | 20:38 |
| notmyname | yes, well you've already said you don't care about how it looks. I think you might be reading it in lynx or something | 20:38 |
| tdasilva | clayg: we do not specify a version of liberasurecode in bindep :/ | 20:44 |
| clayg | yeah... | 20:45 |
| clayg | ok, so fix released then! We could open a new bug that says "openstack should be able to specify versions for all (not-python) dependencies to downstream packagers" - but that may be a dupe of something else somewhere | 20:46 |
| clarkb | clayg: pretty sure that bindep does support that, problem is if you then try to use it on platform without that dep you will have a sad time | 20:47 |
| timburke | we *do* have a >=1.3.1 on pyeclib... | 20:47 |
| timburke | ...which in turn has a *warning* if it's using (was built against?) libec<1.3.1 ... | 20:48 |
| clarkb | "Version constraints are a comma separated list of constraints where each constraint is (== | < | <= | >= | > | !=) VERSION, and the constraints are ANDed together (the same as pip requirements version constraints)." from https://docs.openstack.org/infra/bindep/readme.html | 20:49 |
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| clayg | clarkb: yeah i was seeing that, none of the examples include version specifiers - not sure I've seen them used in practice - but that's probably what we need to do!? | 20:52 |
| lcurtis | hello all - wondering if someone knows of any good openstack swift training? Need to bring a guy up to speed. | 20:52 |
| clarkb | clayg: ya if you want to signal that old versions are a no go that is what I would do | 20:53 |
| clayg | could be weird/strange during development cycle when newer versions aren't packaged "in the wild" yet | 20:53 |
| clarkb | clayg: ya that is likely where you will haev trouble | 20:53 |
| clarkb | clayg: perhaps leave a commetn about it in bindep for now? | 20:53 |
| timburke | lcurtis: out of curiosity, for more of a dev or op role? | 20:54 |
| timburke | not that anything immediately springs to mind for either :-/ | 20:54 |
| tdasilva | lcurtis: funny you ask that, i've been thinking if we should/could build a curated Wiki page with different reading/watching resources for learning swift, sort of start with swift 101, to a more in-depth topics list... | 20:55 |
| tdasilva | not thinking about creating new content, but just listing what we know exists already... | 20:56 |
| clayg | I think http://shop.oreilly.com/product/0636920033288.do is still a thing - lots of swift concepts evolve rather than get replaced | 20:56 |
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| tdasilva | clayg: yep, that's a very good book! | 20:59 |
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| lcurtis | timburke - an op role | 21:45 |
| lcurtis | thank you guys, as always, for your input | 21:46 |
| zaitcev | I suppose he could buy Joe Arnold's book if he reads English. | 21:47 |
| lcurtis | yeah we have the book | 21:48 |
| lcurtis | kind of want to inject the knowledge asap into this guy | 21:48 |
| lcurtis | along with what he has already been picking up | 21:48 |
| clayg | obligatory joe arnold book joke: https://www.amazon.com/Yo-Yo-Tricks-Beginner-Mario-Govia/dp/0761522026 | 21:49 |
| lcurtis | lol | 21:49 |
| lcurtis | nice | 21:49 |
| clayg | maybe https://docs.openstack.org/swift/latest/ops_runbook/index.html ??? | 21:49 |
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| lcurtis | thats good link | 21:53 |
| lcurtis | have not seen that before | 21:53 |
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| notmyname | clarkb: timburke: what does it take to get a new version of liberasurecode in the gate? the warning causes problems | 23:37 |
| notmyname | http://logs.openstack.org/21/481221/1/check/gate-swift-docs-ubuntu-xenial/4236d03/console.html#_2017-07-06_20_23_06_518283 | 23:37 |
| clarkb | notmyname: we just install from the distro so you will need to get it into the distro, or enable UCA if UCA has what you need | 23:39 |
| timburke | i thought that was fixed in p 469314 ? | 23:39 |
| patchbot | https://review.openstack.org/#/c/469314/ - swift - Stop having Sphinx treat warnings as errors (MERGED) | 23:39 |
| notmyname | ah, yeah, that sounds familiar | 23:39 |
| clarkb | enabling UCA in the templated jobs taht all projects share is probably something that we should talk about in a wider audiene though ( or maybe swift just has a one off until UCA isn't required) | 23:39 |
| notmyname | timburke: ah! that's where I was remembering that. I was sure we did the warning-as-error thing, then i couldn't find it. part of the docs migration instructions include "be sure to turn on warnings-as-error" | 23:40 |
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| notmyname | (which we don't actually have to do, since libec is the only warning we have. I mean, it's better to have it on, but we're at the mercy of ubuntu packagers, ithink | 23:40 |
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| openstackgerrit | John Dickinson proposed openstack/swift master: docs migration from openstack-manuals https://review.openstack.org/481221 | 23:44 |
| -openstackstatus- NOTICE: nb03.openstack.org has been cleaned up and rebooted, and should return to building rotation | 23:45 | |
| timburke | notmyname: bonus! now the gate will complete *way* faster | 23:48 |
| notmyname | ah, right. since it's only docs jobs that will be rerun | 23:48 |
| timburke | there will be some others, but none of the dsvm ones | 23:49 |
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