Last modified: 2014-05-28 19:22:06 UTC

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Bug 62848 - Number of Wikipedia Zero increasing drastically in mid March 2014
Number of Wikipedia Zero increasing drastically in mid March 2014
Status: NEW
Product: Analytics
Classification: Unclassified
General/Unknown (Other open bugs)
unspecified
All All
: Normal normal
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2014-03-19 21:09 UTC by christian
Modified: 2014-05-28 19:22 UTC (History)
7 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description christian 2014-03-19 21:09:44 UTC
It seems the number of log lines has increased a lot over the
last few weeks from ~2.5M/day to 3.3M/day [1].

Is this increase sane?

(Is the increase related to switching on HTTPS for zero?)



[1]
___________________________________________________________
qchris@stat1002 // 0 // 21:01:43
cwd: ~
for i in /a/squid/archive/zero/zero.tsv.log-201403* ; do echo "$i: $(zcat $i | wc -l)" ; done
/a/squid/archive/zero/zero.tsv.log-20140301.gz: 2572772
/a/squid/archive/zero/zero.tsv.log-20140302.gz: 2550606
/a/squid/archive/zero/zero.tsv.log-20140303.gz: 2687931
/a/squid/archive/zero/zero.tsv.log-20140304.gz: 2749754
/a/squid/archive/zero/zero.tsv.log-20140305.gz: 2669759
/a/squid/archive/zero/zero.tsv.log-20140306.gz: 2733986
/a/squid/archive/zero/zero.tsv.log-20140307.gz: 2680985
/a/squid/archive/zero/zero.tsv.log-20140308.gz: 2517903
/a/squid/archive/zero/zero.tsv.log-20140309.gz: 2577466
/a/squid/archive/zero/zero.tsv.log-20140310.gz: 2845407
/a/squid/archive/zero/zero.tsv.log-20140311.gz: 2945301
/a/squid/archive/zero/zero.tsv.log-20140312.gz: 3010404
/a/squid/archive/zero/zero.tsv.log-20140313.gz: 2871820
/a/squid/archive/zero/zero.tsv.log-20140314.gz: 2880289
/a/squid/archive/zero/zero.tsv.log-20140315.gz: 2744255
/a/squid/archive/zero/zero.tsv.log-20140316.gz: 2771308
/a/squid/archive/zero/zero.tsv.log-20140317.gz: 2958194
/a/squid/archive/zero/zero.tsv.log-20140318.gz: 3192418
/a/squid/archive/zero/zero.tsv.log-20140319.gz: 3352401
Comment 1 Bingle 2014-03-24 16:52:01 UTC
Prioritization and scheduling of this bug is tracked on Mingle card https://wikimedia.mingle.thoughtworks.com/projects/analytics/cards/cards/1488
Comment 2 Toby Negrin 2014-03-27 00:20:41 UTC
Hi Dan -- can you please triage?

thanks,

-Toby
Comment 3 Dan Foy 2014-03-27 00:29:47 UTC
(In reply to Toby Negrin from comment #2)
> Hi Dan -- can you please triage?
> 
> thanks,
> 
> -Toby

Sure I'll investigate. 

- Dan
Comment 4 dr0ptp4kt 2014-03-27 20:55:50 UTC
Dan asked me to review. I'll examine over the next few days. Need tomorrow to think about it, then probably Monday to analyze and Tuesday to do a second pass.
Comment 5 christian 2014-03-28 16:48:17 UTC
Since numbers reported by our monitoring went to >5M today, I had a
quick look, just to make sure our infrastructure is not badly broken.

Lines for SSL requests since yesterday skyrocketed.
Lines for carrier 470-01 since yesterday skyrocketed.

So to me it currently does not look like a problem with the analytics
infrastructure.
Comment 6 Jesús Martínez Novo (Ciencia Al Poder) 2014-03-28 17:07:50 UTC
I don't know if this may be related: bug 62980
Comment 7 christian 2014-03-28 21:40:49 UTC
(In reply to Jesús Martínez Novo (Ciencia Al Poder) from comment #6)
> I don't know if this may be related: bug 62980

Thanks for the pointer!

It's a bit subtle, but the difference between bug 62980 and this bug is
between plain number of log lines (this bug) and which of those log lines
get counted as page views (bug 62980).

So to me, they are separate things.
Comment 8 Greg Grossmeier 2014-05-28 19:04:51 UTC
What's the current thinking here? Has there been any more investigation?
Comment 9 dr0ptp4kt 2014-05-28 19:22:06 UTC
(In reply to Greg Grossmeier from comment #8)
> What's the current thinking here? Has there been any more investigation?

We've played whack-a-mole, and will probably need to keep doing so, until the root cause is addressed with the operator.

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