https://bugzilla.wikimedia.org/show_bug.cgi?id=57249
--- Comment #34 from Antoine hashar Musso has...@free.fr ---
Is that still an issue? We can enable varnish log on the mobile cache as
described in Comment #17.
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Chris McMahon cmcma...@wikimedia.org changed:
What|Removed |Added
Status|NEW |RESOLVED
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--- Comment #31 from Gerrit Notification Bot gerritad...@wikimedia.org ---
Change 103376 had a related patch set uploaded by Faidon Liambotis:
varnish: adjust first_byte_timeout for mobile too
https://gerrit.wikimedia.org/r/103376
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Gerrit Notification Bot gerritad...@wikimedia.org changed:
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--- Comment #32 from Gerrit Notification Bot gerritad...@wikimedia.org ---
Change 103376 merged by Faidon Liambotis:
varnish: adjust first_byte_timeout for mobile too
https://gerrit.wikimedia.org/r/103376
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Faidon Liambotis fai...@wikimedia.org changed:
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--- Comment #28 from Chris McMahon cmcma...@wikimedia.org ---
I figured out what's going on here, and I created a workaround in the Mobile
browser tests for it. Here is some more information:
We have four tests that use the Barack_Obama
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--- Comment #29 from Arthur Richards aricha...@wikimedia.org ---
Glad we at least have a workaround for now, thanks Chris!
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--- Comment #30 from Antoine hashar Musso has...@free.fr ---
Some entries from /data/project/logs/archive/slow-parse.log, that logs the
parsing time of articles that takes longer than X seconds
2013-12-18 06:56:11 deployment-apache32 enwiki:
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--- Comment #27 from Chris McMahon cmcma...@wikimedia.org ---
As of Dec 12 we see 503s on beta for Firefox and also for Chrome:
https://wmf.ci.cloudbees.com/job/MobileFrontend-en.m.wikipedia.beta.wmflabs.org-linux-firefox/218/
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--- Comment #22 from Antoine hashar Musso has...@free.fr ---
One issue is that puppet keep restarting Apache. I haven't correlated the
restarts mentioned in /data/project/logs/apache-error.log with the 503 errors
reported in varnish log.
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--- Comment #23 from Antoine hashar Musso has...@free.fr ---
RT #6500 fixed, puppet is no more restarting Apache every time it runs. That
impacted production as well. It was definitely the root cause for some of the
503 we were receiving
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--- Comment #24 from Gerrit Notification Bot gerritad...@wikimedia.org ---
Change 100988 had a related patch set uploaded by Hashar:
beta: dont restart apache on fake mwsync
https://gerrit.wikimedia.org/r/100988
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Gerrit Notification Bot gerritad...@wikimedia.org changed:
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--- Comment #25 from Gerrit Notification Bot gerritad...@wikimedia.org ---
Change 100988 merged by ArielGlenn:
beta: dont restart apache on fake mwsync
https://gerrit.wikimedia.org/r/100988
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Antoine hashar Musso has...@free.fr changed:
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--- Comment
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--- Comment #17 from Antoine hashar Musso has...@free.fr ---
I have started a background varnishlog process on
deployment-cache-text1.pmtpa.wmflabs instance. Started as root using:
nohup varnishlog -w
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--- Comment #18 from Antoine hashar Musso has...@free.fr ---
The log files is not that great for human consumption/filtering. One can review
the logs by connection on deployment-cache-text1 and then using
varnishlog -r
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--- Comment #19 from Arthur Richards aricha...@wikimedia.org ---
Thanks so much Antoine, I am really happy you are on the path to getting to the
bottom of this :)
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Ryan Kaldari rkald...@wikimedia.org changed:
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--- Comment #21 from Ryan Kaldari rkald...@wikimedia.org ---
I'm getting the 503s in Firefox (regarding comment 15):
Request: GET
http://en.wikipedia.beta.wmflabs.org/wiki/This_page_has_issues?action=purge,
from 216.38.130.164 via
https://bugzilla.wikimedia.org/show_bug.cgi?id=57249
--- Comment #15 from Chris McMahon cmcma...@wikimedia.org ---
I took a look at the historical browser test failures and to my surprise
discovered that all of the 503 errors are happening in Chrome and none (or very
few) are happening in
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--- Comment #16 from Matthew Flaschen mflasc...@wikimedia.org ---
(In reply to comment #15)
I took a look at the historical browser test failures and to my surprise
discovered that all of the 503 errors are happening in Chrome and none (or
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dan d_ent...@yahoo.com changed:
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--- Comment #11 from Antoine hashar Musso has...@free.fr ---
On beta I had a 503 on http://en.m.wikipedia.beta.wmflabs.org/wiki/Barack_Obama
Error: 503, Service Unavailable at Fri, 06 Dec 2013 11:04:16 GMT
The related slow-parse.log entry is:
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--- Comment #12 from Bartosz DziewoĆski matma@gmail.com ---
Another report (just reopened) is bug 57026.
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--- Comment #13 from Matthew Flaschen mflasc...@wikimedia.org ---
I'm not sure if it's the same underlying cause (we may or may not need a
separate bug). However, the intermittent 503's on en.beta.wmflabs.org are not
limited to Barack Obama,
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Krinkle krinklem...@gmail.com changed:
What|Removed |Added
Summary|intermittent 503 errors |intermittent 503 errors
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--- Comment #8 from Faidon Liambotis fai...@wikimedia.org ---
Is this still happening?
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--- Comment #9 from Antoine hashar Musso has...@free.fr ---
I am not sure how to confirm. I was looking for some varnish metric in Ganglia
which would give us the number of backend requests that timeout but haven't
found such metric :(
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--- Comment #10 from Chris McMahon cmcma...@wikimedia.org ---
This is still occurring as of 5 Dec. A fresh request for the Barack Obama page
still often yields a 503 error.
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--- Comment #7 from Andre Klapper aklap...@wikimedia.org ---
(In reply to comment #6)
or the Labs infrastructure being overloaded and vCPUs running slower.
Reminded me of bug 57968 but that only refers to the non-HTTP Labs website.
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Jon jrob...@wikimedia.org changed:
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--- Comment #5 from Arthur Richards aricha...@wikimedia.org ---
Just like we don't want to disable the tests because they keep failing and
generating noise, we should really get the underlying problem fixed rather than
come up with a
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--- Comment #6 from Faidon Liambotis fai...@wikimedia.org ---
esams has nothing to do with betalabs -- betalabs runs exclusively on pmtpa and
there's no cross-datacenter traffic that would be affected by networking
issues.
I don't think anyone
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--- Comment #3 from Arthur Richards aricha...@wikimedia.org ---
I'm still getting occasional 503 errors on betalabs on the Barack Obama
article. This is causing a lot of noise as we have automated browser tests
failing as a result that use that
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Arthur Richards aricha...@wikimedia.org changed:
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Andre Klapper aklap...@wikimedia.org changed:
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Priority|Unprioritized |High
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