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| gmmaha | brtknr: anytime.. sorry had to rush to pick up the kids from school.. | 04:09 |
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| gmmaha | yes, let us chat soon. i would like to see how/why beeGFS does what it does w.r.t performance | 04:10 |
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| kata-irc-bot | <graham.whaley> Hi folks. this is a heads up/rfc - I'm intending to add @penny.zheng to the Kata CI (Jenkins) admin team via github permissions. Any acks or nacks, file here or contact me direct etc. :slightly_smiling_face: /cc @salvador.fuentes | 08:57 |
| kata-irc-bot | <penny.zheng> :heart_eyes::star-struck:x) | 09:00 |
| brtknr | gmmaha: no worries, i'll be producing a flame graph while running fio to pin down why in the case of beegfs, we dont get the same performace as ceph mount | 09:30 |
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| kata-irc-bot | <salvador.fuentes> @graham.whaley agree :slightly_smiling_face: | 13:09 |
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| brtknr | gmmaha: hmm i dont even seem to be able to run fio for a beegfs mount... ceph seems to be fine | 14:21 |
| brtknr | but also, it looks like for ceph, things are committed to memory | 14:21 |
| gwhaley | brtknr: fio has a number of modes for trying to bypass memory caches and things - you may be able to tweak it to force a store out to the actual server etc. but, you might already know this ;-) We have an fio test in the kata repos - it is a little simple, but let me grab a link | 14:23 |
| gwhaley | https://github.com/kata-containers/tests/blob/master/metrics/storage/fio.sh | 14:24 |
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| brtknr | gwhaley: just figured that the fio tests are failing when using libaio engine... works with falloc | 14:30 |
| brtknr | gwhaley: although your default ioengine also appears to be libaio | 14:31 |
| kata-irc-bot | <graham.whaley> this rings a small bell far away in my head.... let me see, did I put a note in that test... | 14:31 |
| kata-irc-bot | <graham.whaley> I have this in the test... possibly relevant: ```# When running 'direct', the file size should not really matter as nothing should be # cached. # If you are running cached (direct=0), then it is likely this whole file will fit in # the buffercache. You can make this filesize larger than the container RAM size to # make a cached test mostly miss the cache - but, depending on the runtime and setup, # you might just end up | 14:32 |
| kata-irc-bot | hitting the host side buffercache. You could of course make the # filesize bigger than the host RAM size... it might take fio some time to create that # testfile though. FIO_FILESIZE=${FIO_FILESIZE:-1G} FIO_IOENGINE=${FIO_IOENGINE:-libaio} FIO_IODEPTH=${FIO_IODEPTH:-16} ``` | 14:32 |
| kata-irc-bot | <graham.whaley> iirc, I hit some issues around file/buffer sizes and libaio - I think you have to get the correct combo. Been a while though, and fio is somewhat compled! | 14:33 |
| kata-irc-bot | <graham.whaley> s/compled/complex/ | 14:33 |
| brtknr | gwhaley: I do not have any problems running fio in qemu/9p setup, only hitting issues in the nemu/virtiofs setup | 14:35 |
| brtknr | but I see in the notes that falloc causes problems with 9p | 14:35 |
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| kata-irc-bot | <graham.whaley> OK, it's official, I don't seem to get on or like either of our test frameworks (BATS and ginkgo).... @julio.montes @salvador.fuentes - I'm trying to set ginkgo FOCUS to just run the tests at https://github.com/kata-containers/tests/blob/master/integration/docker/user_test.go#L33 that are under `Describe("users and groups")` - can you clue me in to what FOCUS='regexp' you think I should be setting??? coz, I seem to be failing to | 16:45 |
| kata-irc-bot | find it or find useful examples .... thx! | 16:45 |
| kata-irc-bot | <salvador.fuentes> `FOCUS="users and groups"` should work | 16:46 |
| kata-irc-bot | <graham.whaley> that's what I thought (and am trying). hmm, let me check then - I do get 18 tests run, but, afaict I modified something and they should fail - maybe I have gotten something else missing etc. thx for confirming I'm not completely mad though :slightly_smiling_face: | 16:47 |
| kata-irc-bot | Action: graham.whaley switched the postgress image used for that test to busybox, but the 'as user postgress' tests still seem to run. I need to understand what is happening more it seems | 16:49 |
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