Wednesday, 2020-05-13

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openstackgerritMatthew Oliver proposed openstack/python-swiftclient master: Ussuri contrib docs community goal  https://review.opendev.org/72763305:39
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openstackgerritTim Burke proposed openstack/swift master: Fix pep8 job  https://review.opendev.org/72764407:24
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openstackgerritMerged openstack/python-swiftclient master: Support v3 application credentials auth.  https://review.opendev.org/69945708:36
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rledisezmorning12:06
rledisezI was reading https://unixism.net/loti/index.html and one sentence in the intro caught my curiosity: "If you are going to be building something that deals with thousands or even hundreds of thousands of requests per hour, you need not bother with asynchronous I/O."12:06
rledisezSo I looked at my numbers and my most solicited service (container) handles about 220 req/s per core, and the service with the most concurrent connection (proxy) seems to only handle about 100 concurrent connections.12:07
rledisezSo I took 1h to do a simple test: bench container server with one worker pinned on one core with two implementations: the normal/eventlet wsgi server and a threadpool-based wsgi server (pool size=500). Actually, the performance difference is not huge (between 3 and 4%) and as soon as I start to remove some eventlet code from common.utils, it improves12:08
rledisezSo I'm now wondering if we really need asynchronicity. Maybe the Linux kernel is better than eventlet at managing concurrency (and how much concurrent connection do we expect on a service?)12:08
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openstackgerritMerged openstack/swift master: Fix pep8 job  https://review.opendev.org/72764414:59
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openstackgerritTim Burke proposed openstack/python-swiftclient master: Application credential support follow-up  https://review.opendev.org/72784517:30
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openstackgerritMerged openstack/swift master: py27: Suppress UnicodeWarnings in ShardRange setters  https://review.opendev.org/72545817:44
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kota_morning20:58
seongsoochokota_:  morning ~20:58
kota_seongsoocho: o/20:58
openstackgerritClay Gerrard proposed openstack/swift master: Breakup reclaim into batches  https://review.opendev.org/72787620:59
timburkealmost meeting time!20:59
zaitcev"<timburke> .... unfortunately i've been a bit distracted, so i'm not entirely sure myself." ... if I launched 6 replicator instances or only 5. So, do you feel lucky, punk?21:19
tdasilvamattoliverau: if need be, we could just use something like zoom too, no?21:57
mattoliverauyeah true!21:57
timburkewe want to keep things to21:57
timburkegenerally-accessible means where possible, but i'm not opposed to moving to zoom or something if we're running out of slotted time for an in-progress discussion21:58
timburkethe nice thing about the centralized PTG rooms (i expect) will be that people know where to go to find swift folks, ask questions, etc21:59
mattoliverau+122:11
timburkeadded a new "PTG Patches" section to https://wiki.openstack.org/wiki/Swift/PriorityReviews22:19
timburke(of course, listing a patch there doesn't prevent us from looking at, thinking about, reviewing, or merging the patch *before* the PTG ;-)22:27
timburkethink of it as an opportunity to list things where you'd be disappointed if *no progress* was made on it that week -- if we can get that progress before then, so much the better22:31
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