https://bugzilla.wikimedia.org/show_bug.cgi?id=46976
Web browser: ---
Bug ID: 46976
Summary: Thumbnail cache purging issues
Product: Wikimedia
Version: wmf-deployment
Hardware: All
OS: All
Status: NEW
Keywords: ops
Severity: major
Priority: Unprioritized
Component: General/Unknown
Assignee: [email protected]
Reporter: [email protected]
Blocks: 41371
Classification: Unclassified
Mobile Platform: ---
There are several recent threads about thumbnail cache purging issues.
Some currently still miss more information and this could turn out to be more
than one problem, but listing them here:
*
https://en.wikipedia.org/wiki/Wikipedia:Village_pump_%28technical%29#Problems_with_images
*
https://en.wikipedia.org/wiki/Wikipedia:Village_pump_%28technical%29#New_vector_image_won.27t_update
* https://en.wikipedia.org/wiki/User_talk:Nowyouseeme#Question about
https://en.wikipedia.org/wiki/File:US_Senators_Supporting_SSM.svg
This one has nice testcase:
* https://en.wikipedia.org/wiki/Wikipedia:HD#Purge_image_thumbnail
I can confirm that
https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/NRHP_Illustrated_Counties.svg/400px-NRHP_Illustrated_Counties.svg.png
sometimes shows the old outdated version, but most of the time shows the
updated version (I'm in Europe).
I've went to
https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/NRHP_Illustrated_Counties.svg/400px-NRHP_Illustrated_Counties.svg.png?RandomNumberHere123456789
and then went to
https://en.wikipedia.org/wiki/File:NRHP_Illustrated_Counties.svg?action=purge
but the problem still persists.
$:andre\> wget -S -U Malyacko --header 'host: upload.wikimedia.org'
'http://upload-lb.eqiad.wikimedia.org/wikipedia/commons/thumb/c/cb/NRHP_Illustrated_Counties.svg/400px-NRHP_Illustrated_Counties.svg.png'
--2013-04-07 01:43:03--
http://upload-lb.eqiad.wikimedia.org/wikipedia/commons/thumb/c/cb/NRHP_Illustrated_Counties.svg/400px-NRHP_Illustrated_Counties.svg.png
Resolving upload-lb.eqiad.wikimedia.org... 208.80.154.235, 2620:0:861:ed1a::b
Connecting to upload-lb.eqiad.wikimedia.org|208.80.154.235|:80... connected.
HTTP request sent, awaiting response...
HTTP/1.1 200 OK
X-Object-Meta-Sha1base36: dql1a3r1xtnnop4b5i2xbnbnl2ko53y
Content-Disposition:
inline;filename*=UTF-8''NRHP_Illustrated_Counties.svg.png
Last-Modified: Wed, 03 Apr 2013 06:29:14 GMT
Etag: ef9acb99c896a9e9ec19047ee399d96a
X-Timestamp: 1364970554.37424
Content-Type: image/png
X-Varnish: 2378273142 2051365130, 4237763979
Via: 1.1 varnish, 1.1 varnish
Content-Length: 127301
Accept-Ranges: bytes
Date: Sat, 06 Apr 2013 23:43:03 GMT
Age: 215326
Connection: keep-alive
X-Cache: cp1028 hit (536), cp1034 frontend miss (0)
Access-Control-Allow-Origin: *
Length: 127301 (124K) [image/png]
Saving to: “400px-NRHP_Illustrated_Counties.svg.png.1”
$:andre\> wget -S -U Malyacko --header 'host: upload.wikimedia.org'
'http://upload-lb.esams.wikimedia.org/wikipedia/commons/thumb/c/cb/NRHP_Illustrated_Counties.svg/400px-NRHP_Illustrated_Counties.svg.png'
--2013-04-07 01:43:18--
http://upload-lb.esams.wikimedia.org/wikipedia/commons/thumb/c/cb/NRHP_Illustrated_Counties.svg/400px-NRHP_Illustrated_Counties.svg.png
Resolving upload-lb.esams.wikimedia.org... 91.198.174.234, 2620:0:862:ed1a::b
Connecting to upload-lb.esams.wikimedia.org|91.198.174.234|:80... connected.
HTTP request sent, awaiting response...
HTTP/1.1 200 OK
X-Object-Meta-Sha1base36: dql1a3r1xtnnop4b5i2xbnbnl2ko53y
Content-Disposition:
inline;filename*=UTF-8''NRHP_Illustrated_Counties.svg.png
Last-Modified: Wed, 03 Apr 2013 06:29:14 GMT
Etag: ef9acb99c896a9e9ec19047ee399d96a
X-Timestamp: 1364970554.37424
Content-Type: image/png
X-Varnish: 2377693018 2051365130, 707352624 707109699, 2426462443 2426369331
Via: 1.1 varnish, 1.1 varnish, 1.1 varnish
Content-Length: 127301
Accept-Ranges: bytes
Date: Sat, 06 Apr 2013 23:43:18 GMT
Age: 215340
Connection: keep-alive
X-Cache: cp1028 hit (534), cp3006 hit (3), cp3004 frontend hit (1)
Access-Control-Allow-Origin: *
Length: 127301 (124K) [image/png]
Saving to: “400px-NRHP_Illustrated_Counties.svg.png.2”
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