Monday, 2014-09-29

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notmynamehackathon kicked off14:07
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omameenjoy14:15
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openstackgerritA change was merged to openstack/swift: Remove unused option from ObjectReplicator.__init__  https://review.openstack.org/12355614:23
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glangedrink lots of gatorade and eat your orange slices, it's a grueling event14:32
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openstackgerritA change was merged to openstack/swift: use get_container_info in ratelimit  https://review.openstack.org/12410617:02
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zaitcevERROR: test_quarantine_on_well_formed_zero_byte_file (test.unit.obj.test_server.TestZeroCopy)17:02
zaitcevgaierror: [Errno -9] Address family for hostname not supported17:02
notmynameI tagged python-swiftclient 2.3.1 this weekend, and it was just pushed to pypi17:04
zaitcevI rushed to check tags when you mentioned that 2.2.0 is coming Swift release and saw that 2.3.117:07
notmynamezaitcev: swift 2.2.0. swiftclient 2.3.117:07
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mahaticnotmyname, hello. busy all day in hackathon?17:26
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mahaticnotmyname, wanted to talk about the bug17:27
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cschwedenotmyname: acoles_away: https://review.openstack.org/12481217:32
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kbeetorgomatic: zaitcev: can we close on https://review.openstack.org/#/c/122225/17:59
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claygnotmyname: how's the hack-a-thon going?18:41
claygnotmyname: saw some pictures on twitter!18:41
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openstackgerritPete Zaitcev proposed a change to openstack/swift: Fix up the return value of launch()  https://review.openstack.org/12483118:58
zaitcevclayg: duuude. they discussed Kinetic but didn't invite me18:58
notmynameclayg: good! lots of great discussion so far19:00
notmynamekinetic talk (with coffee cups)19:00
notmynamesingle-process swift stuff19:01
notmynamelots of ec talk19:01
claygcool!19:03
notmynamecurrent ec conversation I was just in was around some improvements to handling of small objects19:03
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swift_fanHi -- How do you configure/tweak memcached configurations for better performance?19:06
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swift_fanOr in general, what's the best way to see where your Swift cluster's performance bottlenecks are, and how to optimize for performance - ??19:29
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openstackgerritChristian Schwede proposed a change to openstack/swift: Fix bug in swift-ring-builder list_parts  https://review.openstack.org/12189319:39
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openstackgerritChristian Schwede proposed a change to openstack/swift: Add option to log container metadata  https://review.openstack.org/6728220:00
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openstackgerritJiri Suchomel proposed a change to openstack/python-swiftclient: Do not crash "swift list --lh" for Ceph RadosGW.  https://review.openstack.org/12485620:17
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swift_fanFor the consistency services / background daemons, what is the difference between the parameters "interval" and "slowdown" ??20:28
swift_fanThanks.20:28
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NM1swift_fan: interval is time (in ms) to start a new pass, like 'start do to your stuff'.20:33
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NM1swift_fan: slowdown is how much it will wait between update stuff20:34
NM1swift_fan: if it find 3 object that should be updated and you slowdown is 1, the process will update 1 object, wait 1 second, and update the second object and go on...20:35
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mahaticNM1, hi, about the other day, instead of changing port in swift, i just killed the process id for proxy-server like you suggested and it worked :) thank you20:37
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NM1mahatic: I'm glad to hear that :)20:47
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openstackgerritPete Zaitcev proposed a change to openstack/swift: Fix up the return value of launch()  https://review.openstack.org/12483120:56
zaitcevI can't blame sleep for this debacle, because it's only 2 hours difference20:57
swift_fanNM1 : When you say "if it finds 3 objects that should be updated", what exactly do you mean here?21:00
swift_fanupdated in terms of replicating the newest version, or some other concept ?21:00
swift_fanNM1 : How do you see what your default config values for the daemons are, if they appear as just a -blank- inside the .conf files?21:02
swift_fanI've tried "swift-config <server-type>.conf" but this doesn't seem to reveal all the information, either :(21:02
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zaitcevwhat about https://github.com/openstack/swift/blob/master/etc/proxy-server.conf-sample21:04
openstackgerritOpenStack Proposal Bot proposed a change to openstack/python-swiftclient: Updated from global requirements  https://review.openstack.org/8925021:05
openstackgerritOpenStack Proposal Bot proposed a change to openstack/swift: Updated from global requirements  https://review.openstack.org/8873621:05
NM1swift_fan: complementing zaitcev answer, you can check here: https://github.com/openstack/swift/tree/master/etc - The commented values are the default21:08
NM1zaitcev: Don't you think that this should be docummented somewhere? Like 'If want to know the default values…'21:10
NM1swift_fan: yes, in terms of replacement21:11
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swift_fanI'm using a modified version of the community version.21:15
swift_fanNM1 zaitcev : So the configs publicly available on the web do not reflect most of my current configurations.21:16
NM1swift_fan: Who create the modified version? Can you ask then?21:17
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swift_fanNM1 : If that's the only method that's available, then I must.21:48
swift_fanI'm not sure if they have all the info in a nice list, though.21:49
swift_fanI am looking at container-server.conf-sample (the one that's publicly available), and I see [container-replicator] values as follow:21:49
swift_fan# vm_test_mode = no21:49
swift_fan# per_diff = 100021:49
swift_fan# max_diffs = 10021:49
swift_fan# concurrency = 821:49
swift_fan# interval = 3021:49
swift_fan# node_timeout = 1021:49
swift_fan# conn_timeout = 0.521:49
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swift_fanHow do I get an understanding of what each one of those mean?21:49
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swift_fanAlso, what is container replicator "reclamation" / "reclamation age"?21:53
openstackgerritSamuel Merritt proposed a change to openstack/swift: Make proxy compute object etag if not sent by client  https://review.openstack.org/12490321:53
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zaitcevyeah well... it's kinda long to explain21:56
zaitcevall objects in container DBs are numbered with increasing integer21:56
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zaitcevso, when you look for changed ones, you say "start with N and up to limit X" by use of one SQL statement.21:57
zaitcevX is per_diff21:57
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zaitcevmax_diffs is home many such fetches replicator can make before it falls through to main loop and does the sleep set by 'interval'.21:58
zaitcevIt's basically concurrency control setings for large clouds21:58
openstackgerritA change was merged to openstack/swift: Incorrect variable name in the diskfile.py  https://review.openstack.org/12460021:59
zaitcevlooks at swift/container/replicator.py:get_misplaced_since21:59
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swift_fanzaitcev : When you said "max_diffs is home many such fetches replicator can make before it falls through to main loop and does the sleep set by 'interval'." what exactly is the replicator fetching for ?22:04
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mattoliverauMorning all22:12
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mattoliverauFor those of you who are at the hackathon, how's it going? Solved all the things yet?22:13
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claygtorgomatic: is there any notion that MIME encoding format of the object requests might be configurable at the proxy?  obviously it needs to speak both for rolling swift upgrades, but it might be convienent for testing if I could flip a bit on an object server conf to make it act like it doesn't want the new format (either for testing mixed backend requests, or just doing a/b comparison in overall transfer speed?)22:23
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