Tuesday, 2017-12-26

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kota_morning day after the Christmas01:47
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kota_hugokuo: is that really from proxy-server? the possibility is from internal client via proxy app. object-expirer is able to cause 412 response via x-if-delete-at header.01:49
kota_412 response from object-server.01:49
kota_IIRC, it may happen when two different x-delete-at timestamp requests called.01:51
kota_though, I don't think it's EC specific but replication as well.01:52
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hugokuokota_: `swift: - - 24/Dec/2017/05/59/33 DELETE /v1/AUTH_abc/abc-retrieval-mnl2/411532108/XX/XXxxx.xx HTTP/1.0 499 - Swift%20Object%20Expirer - - 43 - txbdcbd052190f49ed94af9-005a3f4240 - 5.0295 - - 1514095168.785039902 1514095173.814532995 0 (txn: txe288cf7703614f0a9737c-005a3f4245) `07:00
hugokuoSomething like this. So,it's issued by object-expirer07:00
kota_hugokuo: hi, hmm... it's 499 though.07:01
hugokuohold on07:01
hugokuokota_: https://pastebin.com/GTZuFUEY07:08
hugokuoIt's a multiple log lines transaction for deleting an exipred object by object-expirer07:08
hugokuosome fragments are 404 and several 412. The object-expirer seems got 499 in the nd.07:09
kota_hugokuo: curious, let me look at later, sorry, just another meeting has started since 5 min ago.07:09
hugokuoI'm confused about the workflow while deleting an EC object.07:10
hugokuokota_: no rush. thx man and merry christmas07:10
kota_hugokuo: you too07:10
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openstackgerrityanwei proposed openstack/swift master: fix the swift-ring-builder's default command raises exception in command line environment  https://review.openstack.org/52979108:21
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hugokuohow `X-If-Delete-At` been added to an object?09:23
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kota_hugokuo: https://gist.github.com/bloodeagle40234/055732e0495633b61f00a791a182b9ee may mitigate your frastration09:50
kota_hugokuo: i think it's a solution for https://bugs.launchpad.net/swift/+bug/1675650 as well.09:50
openstackLaunchpad bug 1675650 in OpenStack Object Storage (swift) "HTTP 499 status code from expirer" [Undecided,New]09:50
kota_hugokuo: I didn't reach whole thing on 412 from object-server but part of your issue could be at the patch above.09:51
kota_imo 412 can happen if many requests for updating same object with x-delete-at is incoming so... need to know what's exactly problem for us...09:52
kota_anyway, it's good time to go dinner. let me take a time more with your log message.09:54
kota_maybe i could have time to circle back again tommorow.09:54
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hugokuosounds good. I'm still trying to understand the exact cause of those 412 in our case.16:05
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