It turns out that the media viewer (on desktop; don't know about mobile) does a lot of caching so just because an image is loaded from swift, it doesn't mean it is viewed. We'd like to provide more accurate stats to the GLAM folks, so yes, I think this needs to be added eventually. Let's leave it out of scope for now.
-Toby
On Thu, Feb 5, 2015 at 8:46 AM, Oliver Keyes okeyes@wikimedia.org wrote:
We want to include these files in the pageview definition? :/.
My point was more that we should try to avoid traffic-generating requests that exist solely as a hack for analytics purposes; it's artificial work for both users and us. If this is the only way of doing things that's totally fine.
On 5 February 2015 at 11:38, Toby Negrin tnegrin@wikimedia.org wrote:
Hi Gergo -- I like this idea. As far as capacity, any EL-Hadoop based solution would be basically doing the same thing as you propose.
Can you please run it past ops (especially the 404 v 204) part?
Oliver -- the issue is that we'd like to figure out a way to provide accurate views of the media files; because of client side caching, we
can't
use the current requests. But your point is a good one -- we'll need to
add
this to the PV definition.
-Toby
On Thu, Feb 5, 2015 at 5:18 AM, Oliver Keyes okeyes@wikimedia.org
wrote:
A nice theory, but if they appear in the webrequest table (presumably they would, and we're not creating an entirely new set of varnishes for the transmission of dummy images?) they have to be factored in. Again, however, the new definition automatically filters them by checking the webrequest source and MIME type, so this is not a problem, as I originally stated.
On 5 February 2015 at 08:10, Erik Zachte ezachte@wikimedia.org wrote:
Oliver, this is not about pageviews, but about media file views.
These will be collected and dumped separately, as per
https://www.mediawiki.org/wiki/Requests_for_comment/Media_file_request_count...
.
Erik
From: analytics-bounces@lists.wikimedia.org [mailto:analytics-bounces@lists.wikimedia.org] On Behalf Of Nuria
Ruiz
Sent: Wednesday, February 04, 2015 22:28 To: A mailing list for the Analytics Team at WMF and everybody who has an interest in Wikipedia and analytics. Subject: Re: [Analytics] Virtual file view hack for Media Viewer views
We would add a rule to Vagrant to make sure it does not try to look up such requests in Swift but returns a 404 immediately.
I bet ops would like it a lot better if this is a 204 and it kind of makes sense as it is the code used for beacons and such. Otherwise they
might
get alarms on 404s increasing.
On Wed, Feb 4, 2015 at 12:38 PM, Oliver Keyes okeyes@wikimedia.org wrote:
Not really; the new pageviews definition wouldn't include those files anyway. It seems silly, thought, be deliberately generating a large amount of automated noise and client requests for this :/.
On 4 February 2015 at 15:00, Gergo Tisza gtisza@wikimedia.org
wrote:
Hi all,
Erik Zachte is working on file view stats and is looking for a way to track Media Viewer image views (for which there is no 1:1 relation between server hits and actual image views); after some back and forth in https://phabricator.wikimedia.org/T86914 I proposed the following
hack:
whenever the javascript code in MediaViewer determines that an image view happened (e.g. an image has been displayed for a certain amount of time), it makes a request to a certain fake image, say
upload.wikimedia.org/wikipedia/commons/thumb/0/00/Virtual-imageview-
<real
image name>/<size>px-thumbnail.<ext> . These hits can than be easily filtered from the varnish request logs and added to the normal requests. We would add a rule to Vagrant to make sure it does not try to look up such requests in Swift but returns a 404 immediately.
This would be a temporary workaround until there is a proper way to
log
virtual image views, such as EventLogging with a non-SQL backend.
Do you see any fundamental problem with this?
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-- Oliver Keyes Research Analyst Wikimedia Foundation
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