[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-10 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #48 from Paulo Perneta dar...@spamcop.net 2011-07-10 07:12:00 UTC 
---
This issue is not resolved at all and is causing significant disruption at
Commons.

See for instance:

http://commons.wikimedia.org/wiki/Commons:Administrators%27_noticeboard/Blocks_and_protections#Protection_of_File:Political_Regions_of_Sudan.2C_July_2006.svg

http://commons.wikimedia.org/wiki/Commons:Village_pump#Help:_I_cant.27t_restore_original_File:LocationSouthernSudan.svg

These situations are of particular significance, since it took only one user
uploading once the wrong version of one file to start a edit war with a lot
of users trying in good faith to revert it back to the original image. This is
bond to happen again and again and again, and is wasting a lot of server space,
since each time a file is reverted it is uploaded again to the servers. 

It's also forcing the files to be moved to new names in order to bypass that
bug, creating unnecessary redirects and name replacements in the projects using
those files, and making the file log quite hard to follow, since deleted
revisions are left behind each time the file is moved.

Please solve this bug as soon as you can, it is really damaging the project.

Paulo

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-10 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #49 from Paulo Perneta dar...@spamcop.net 2011-07-10 07:30:26 UTC 
---
By the way, this problem is not only about thumbnails. In the cases presented
above, as well as in many others, the actual file failed to update, while the
thumbnails themselves updated. The situation with this bug is now worse than it
has ever been.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-10 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #50 from Alexander Karnstedt alexander_ber...@gmx.de 2011-07-10 
08:35:32 UTC ---
Is there at least a workaround available? Restart a server every Sunday?

In the meantime a hint should be placed on Commons, that there is a known
problem with replacing images! Otherwise people are getting frustrated more and
more. There are endless discussions on Wikipedia and Commons every day, because
most users don't know about that bug.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-10 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #51 from Paulo Perneta dar...@spamcop.net 2011-07-10 08:58:27 UTC 
---
(In reply to comment #50)
 Is there at least a workaround available? Restart a server every Sunday?
 
 In the meantime a hint should be placed on Commons, that there is a known
 problem with replacing images! Otherwise people are getting frustrated more 
 and
 more. There are endless discussions on Wikipedia and Commons every day, 
 because
 most users don't know about that bug.

I agree, it should be in the site notice, indeed. I don't know how to do it or
what to write there, though, but hopefully someone following this thread does.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-09 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #47 from Saibo saibotr...@arcor.de 2011-07-09 22:22:29 UTC ---
examples:
http://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/%C3%96RF_2011.png/280px-%C3%96RF_2011.png
should show a font with white outline like this does:
http://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/%C3%96RF_2011.png/281px-%C3%96RF_2011.png

http://upload.wikimedia.org/wikipedia/commons/thumb/5/56/L%C3%B6rrach_-_Heilige_Familie6.jpg/800px-L%C3%B6rrach_-_Heilige_Familie6.jpg
should be cropped like this:
http://upload.wikimedia.org/wikipedia/commons/thumb/5/56/L%C3%B6rrach_-_Heilige_Familie6.jpg/801px-L%C3%B6rrach_-_Heilige_Familie6.jpg
using a wrong directory hash 5w leads, as always, to a correct thumb:
http://upload.wikimedia.org/wikipedia/commons/thumb/5/5w/L%C3%B6rrach_-_Heilige_Familie6.jpg/800px-L%C3%B6rrach_-_Heilige_Familie6.jpg

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-08 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Reedy s...@reedyboy.net changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution||FIXED

--- Comment #40 from Reedy s...@reedyboy.net 2011-07-08 16:56:55 UTC ---
This should be fixed now, as there has been some router replacements etc

So any new purge requests/reuploads should behave as expected

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-08 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Alexander Karnstedt alexander_ber...@gmx.de changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 CC||alexander_ber...@gmx.de
 Resolution|FIXED   |

--- Comment #41 from Alexander Karnstedt alexander_ber...@gmx.de 2011-07-08 
18:14:01 UTC ---
I have just tested it. It is NOT fixed. The bug is easy reproducable with the
given examples. So please first test it and then set it to fixed.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-08 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #42 from Reedy s...@reedyboy.net 2011-07-08 18:17:44 UTC ---
They look like they're working for me

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-08 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

misdre+mediaw...@gmail.com changed:

   What|Removed |Added

 CC||misdre+mediaw...@gmail.com

--- Comment #43 from misdre+mediaw...@gmail.com 2011-07-08 18:19:17 UTC ---
On a wiki not related to Wikipedia, we seems to have the same issue, so the
routers might not be involved. I should add that we have only one cache server.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-08 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #44 from Alexander Karnstedt alexander_ber...@gmx.de 2011-07-08 
18:20:41 UTC ---
http://commons.wikimedia.org/wiki/File:Kaulitz_Berlin_1708.jpg

.. I have tried new upload, purge, browser cache cleared - no success.

X-CacheHIT from amssq58.esams.wikimedia.org, HIT from
amssq61.esams.wikimedia.org
X-Cache-LookupHIT from amssq58.esams.wikimedia.org:3128, HIT from
amssq61.esams.wikimedia.org:80

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-08 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #45 from Bryan Tong Minh bryan.tongm...@gmail.com 2011-07-08 
18:34:34 UTC ---
See my comment #29. I don't believe this is a squid purge issue, so I wouldn't
have expected that problems with multicast were the cause. I suggest adding
logging in LocalFile::purgeThumbnails() per my patch in comment #35.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-08 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #46 from Bryan Tong Minh bryan.tongm...@gmail.com 2011-07-08 
19:18:08 UTC ---
I did some debugging with Roan and Sam on
http://commons.wikimedia.org/w/index.php?title=File:Kaulitz_Berlin_1708.jpg

* MediaWiki does not fail on the unlink() calls in purgeThumbnails()
* var_dump( wfFindFile( 'Kaulitz Berlin 1708.jpg' )-getThumbnails() ); returns
an empty array on fenari 
* ls /mnt/thumbs/wikipedia/commons/thumb/0/03/Kaulitz_Berlin_1708.jpg/ returns
an empty directory
*
http://upload.wikimedia.org/wikipedia/commons/thumb/0/03/Kaulitz_Berlin_1708.jpg/800px-Kaulitz_Berlin_1708.jpg?blsdsgfsd=dsgdry
gives two cache MISSes and a Last-Modified header on 20 November 2010

So, according to MediaWiki there are no thumbnails left. However according to
the webserver(?) they are still there. I'm not sure what the next step in
debugging this would be.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-05 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #37 from Mark A. Hershberger m...@everybody.org 2011-07-05 
20:42:59 UTC ---
Ariel says this issue may be related to multicast issues having to do
with our routers which are up for replacment.  From IRC:

apergos the image/thumb purge issues may be multicast issues which have to
  do with our broken routers
apergos as you might recall last time we had a flare up mark upgraded and
  rebooted those
apergos and we were ok for awhile
apergos anyways new ones are on order, they are simply old
hexmode so, what is the ETA on the new ones?
apergos mark's gonna try to find out about it
apergos they have to be custom built I guess, they are junipers
apergos we talked about it in the ops meeting
apergos he didn't know there was another round of issues
apergos and I had forgotten about the routers
apergos being bad.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-05 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #38 from Saibo saibotr...@arcor.de 2011-07-05 22:07:36 UTC ---
Another case:
http://upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Bfds_logo.svg/113px-Bfds_logo.svg.png
http://upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Bfds_logo.svg/563px-Bfds_logo.svg.png
Are broken. Should show a red-ish logo. Not a blue-ish. See e.g.
http://upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Bfds_logo.svg/363px-Bfds_logo.svg.png

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-05 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

bidgee-w...@virginbroadband.com.au changed:

   What|Removed |Added

 CC||bidgee-wiki@virginbroadband
   ||.com.au

--- Comment #39 from bidgee-w...@virginbroadband.com.au 2011-07-05 22:20:28 UTC 
---
Original photograph was corrupted and reuploaded the photograph (which is
uncorrupted) however the corrupted photograph thumbnails still show even after
purging and deleting the cache on the computer.
http://commons.wikimedia.org/wiki/File:Old_Wagga_Wagga_Police_Station_%281%29.jpg

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

TM mr.h...@gmx.de changed:

   What|Removed |Added

 CC||mr.h...@gmx.de

--- Comment #28 from TM mr.h...@gmx.de 2011-07-04 08:47:18 UTC ---
More broken files:
http://commons.wikimedia.org/wiki/File:Flies_1.JPG
http://commons.wikimedia.org/wiki/File:Flies3.JPG
http://commons.wikimedia.org/wiki/File:Flies4.JPG
I tried purging and even an other browser but nothing works. All thumbnails
show the old image.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #29 from Bryan Tong Minh bryan.tongm...@gmail.com 2011-07-04 
08:55:20 UTC ---
Checked the first image, it gives an cache hit. If I add a query string it
gives a cache miss, but still shows the wrong image. So probably not a squid
issue in this case?

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

crangasi2...@yahoo.com changed:

   What|Removed |Added

 CC||crangasi2...@yahoo.com

--- Comment #30 from crangasi2...@yahoo.com 2011-07-04 08:56:47 UTC ---
Another one:
http://commons.wikimedia.org/wiki/File:Bucharest-Metro-Map-2011.png

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Roan Kattouw roan.katt...@gmail.com changed:

   What|Removed |Added

 CC||roan.katt...@gmail.com

--- Comment #31 from Roan Kattouw roan.katt...@gmail.com 2011-07-04 08:57:57 
UTC ---
(In reply to comment #29)
 Checked the first image, it gives an cache hit. If I add a query string it
 gives a cache miss, but still shows the wrong image. So probably not a squid
 issue in this case?
What were the exact URLs you got hits and misses for? Are you sure you weren't
hitting the description page instead or something like that?

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #32 from Bryan Tong Minh bryan.tongm...@gmail.com 2011-07-04 
09:02:44 UTC ---
http://upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Flies_1.JPG/120px-Flies_1.JPG

GET /wikipedia/commons/thumb/d/d3/Flies_1.JPG/120px-Flies_1.JPG HTTP/1.1
Host: upload.wikimedia.org
User-Agent: Mozilla/5.0 (Windows NT 6.0; rv:5.0) Gecko/20100101 Firefox/5.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip, deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Connection: keep-alive
Referer: http://commons.wikimedia.org/wiki/File:Flies_1.JPG
Cookie: __qca=P0-1940361223-1289932920877

HTTP/1.0 200 OK
Server: nginx/0.7.65
Date: Mon, 04 Jul 2011 08:43:13 GMT
Content-Type: image/jpeg
Content-Length: 1033
Last-Modified: Thu, 03 Feb 2011 00:45:16 GMT
Accept-Ranges: bytes
Age: 411
X-Cache: HIT from sq80.wikimedia.org, MISS from sq84.wikimedia.org
X-Cache-Lookup: HIT from sq80.wikimedia.org:3128, MISS from
sq84.wikimedia.org:80


http://upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Flies_1.JPG/120px-Flies_1.JPG?test

GET /wikipedia/commons/thumb/d/d3/Flies_1.JPG/120px-Flies_1.JPG?test HTTP/1.1
Host: upload.wikimedia.org
User-Agent: Mozilla/5.0 (Windows NT 6.0; rv:5.0) Gecko/20100101 Firefox/5.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip, deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Connection: keep-alive
Cookie: __qca=P0-1940361223-1289932920877

HTTP/1.0 200 OK
Server: nginx/0.7.65
Date: Mon, 04 Jul 2011 09:01:45 GMT
Content-Type: image/jpeg
Content-Length: 1033
Last-Modified: Thu, 03 Feb 2011 00:45:16 GMT
Accept-Ranges: bytes
X-Cache: MISS from sq58.wikimedia.org, MISS from sq82.wikimedia.org
X-Cache-Lookup: MISS from sq58.wikimedia.org:3128, MISS from
sq82.wikimedia.org:80
Connection: keep-alive

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #33 from Bryan Tong Minh bryan.tongm...@gmail.com 2011-07-04 
09:04:09 UTC ---
(In reply to comment #26)
 Now, to get the debugging code.

Remove the error suppression operator on @unlink() in
LocalFile::purgeThumbnails(), catch the E_NOTICES that it generates and log
them somewhere?

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Paulo Perneta dar...@spamcop.net changed:

   What|Removed |Added

 CC||dar...@spamcop.net

--- Comment #34 from Paulo Perneta dar...@spamcop.net 2011-07-04 09:32:59 UTC 
---
I removed the border from this image in June 23:

http://commons.wikimedia.org/wiki/File:Southern_Railway_USA_class_on_the_Swanage_Railway.jpg

After 11 days, it is still showing the wrong version, though the thumbnail
seems to have been updated meanwhile.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #35 from Bryan Tong Minh bryan.tongm...@gmail.com 2011-07-04 
17:09:01 UTC ---
Created attachment 8740
  -- https://bugzilla.wikimedia.org/attachment.cgi?id=8740
Patch that logs failed unlink()s

(In reply to comment #26)
 Now, to get the debugging code.
Here you go. Please find somebody to deploy it; it appears that this bug is
manifesting itself much more lately.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Ashar Voultoiz has...@free.fr changed:

   What|Removed |Added

 CC||has...@free.fr

--- Comment #36 from Ashar Voultoiz has...@free.fr 2011-07-04 17:33:32 UTC ---
Cant(In reply to comment #35)
 Created attachment 8740 [details]
 Patch that logs failed unlink()s

Shouldn't we use wfSuppressWarnings() and wfRestoreWarnings() around the
@unlink() call?

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-03 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Roan Kattouw roan.katt...@gmail.com changed:

   What|Removed |Added

 CC||e...@wannee.nl

--- Comment #27 from Roan Kattouw roan.katt...@gmail.com 2011-07-03 12:31:38 
UTC ---
*** Bug 29691 has been marked as a duplicate of this bug. ***

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-02 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #26 from Mark A. Hershberger m...@everybody.org 2011-07-02 
16:03:11 UTC ---
itwiki looks like it would make a good wiki to set the debugging code up on. 
Simple is small enough, too, I think.

Now, to get the debugging code.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-01 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #22 from Derk-Jan Hartman hart...@videolan.org 2011-07-01 
19:48:25 UTC ---
This one doesn't work either. Note that this is an original file, not a
thumbnail

http://upload.wikimedia.org/wikipedia/commons/5/5e/Opera_Release_Timeline.png

This works:
http://upload.wikimedia.org/wikipedia/commons/5/5e/Opera_Release_Timeline.png?test

Tried purging and everything, can't get it fixed.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-01 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #23 from Mark A. Hershberger m...@everybody.org 2011-07-01 
20:36:54 UTC ---
To track how purging and squids are working, Ryan and Ariel suggested
setting up some sort of logging so we could tell any time a thumbnail
was purged and track this on some small wiki.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-01 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Lorenzo Orlandi 1st.kiwides...@gmail.com changed:

   What|Removed |Added

 CC||1st.kiwides...@gmail.com

--- Comment #24 from Lorenzo Orlandi 1st.kiwides...@gmail.com 2011-07-01 
21:51:51 UTC ---
Another fresh one:
http://it.wikipedia.org/wiki/File:Mission_Impossible_-_Protocollo_fantasma.JPG

(all hours are GMT+2 - italian daylight saving time)

I uploaded a new version of the image at 5.43 PM
(the new version of the file is a little brighter and I cropped out a 10 pixel
gray border at the bottom of the image)

Immediately, neither the thumbnails nor the full size files were updated, as
the old version was shown everywhere - I tried purging the page from different
browsers, logged in and out, but nothing changed.

After a couple of hours, around 8 PM, the 800px thumbnail was updated to
reflect the changes, but anything else (the small thumbnails and the full-size
image) is not.

Hope this helps!

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-07-01 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #25 from Saibo saibotr...@arcor.de 2011-07-02 00:13:43 UTC ---
Some more cases:
*
http://commons.wikimedia.org/wiki/Commons:Help_desk#Uploading_a_new_version_of_a_file_does_not_replace_the_original_file
* http://commons.wikimedia.org/wiki/Commons:Help_desk#Strange_fog
* http://commons.wikimedia.org/wiki/File:Junge_Zeit_kritisiert_WP_Juni_2011.jpg
→
http://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Junge_Zeit_kritisiert_WP_Juni_2011.jpg/787px-Junge_Zeit_kritisiert_WP_Juni_2011.jpg
works but
http://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Junge_Zeit_kritisiert_WP_Juni_2011.jpg/120px-Junge_Zeit_kritisiert_WP_Juni_2011.jpg
does not.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-06-30 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #21 from Brion Vibber br...@wikimedia.org 2011-06-30 22:18:59 UTC 
---
Quick summary of issue:

How it's supposed to work:

* during re-upload (between successful file save and 'image' table data
update), all previously-rendered thumbnails are removed from disk and then
purged from HTTP caches (LocalFile::purgeThumbnails)

* subsequent requests for previously-existing thumbnails should now cause a
cache miss on the HTTP caches, falling through to the upload server -- there is
no thumbnail file so it falls through to the image scaler backend which
produces a new file, outputs it over HTTP and saves it to disk

* subsequent requests for those thumbnails should return the new file, either
via the HTTP caches or directly if it falls out of cache again


The visible problem:

* sometimes after re-uploading, old thumbnails are still seen even when forcing
a reload (indicating old file is at least in HTTP cache), but new image can be
forced by changing query string (indicating that the new file can get created)


Some possibilities of 'tricky things' off the top of my head:

* the purges might be getting sent incorrectly (I don't see URL-escaping being
applied on the filename portion of purged thumbnail URLs -- however most of the
cases listed above show filenames that would not be affected by this.)

* some thumbnails might not be on disk, in which case they would not be purged
at all on reupload (would require something else that removes thumbnail files
but fails to send a successful purge, or else inability to save the original
file when it was generated?)

^ these above two can be tested by logging the purge requests and comparing
them to see if affected files were in fact purged.

* the purges might be getting sent correctly, but not taking effect somehow (?)

* the purges might be getting sent and taking effect, but something causes the
old file to be re-loaded and re-cached immediately (could this happen if some
cache servers have processed the clear and others haven't yet, and another
request comes in and gets passed from a server that just cleared it to a server
that hasn't cleared it yet, thus restoring the old file to cache?)

^ I'm not sure offhand how the internals work on the actual purge
implementation or how the cache servers handle peer requests, so this could be
either a legit issue or totally unbreakable.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-06-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Mark A. Hershberger m...@everybody.org changed:

   What|Removed |Added

   Priority|High|Highest

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-06-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Mark A. Hershberger m...@everybody.org changed:

   What|Removed |Added

 Blocks||29068

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-06-09 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #18 from Saibo saibotr...@arcor.de 2011-06-10 04:15:11 UTC ---
(copy from
http://commons.wikimedia.org/wiki/Commons:Village_pump#Bizarre_image_caching_problem
)

New one: [[:File:Rebbluete_1965-2010_GV_Krems.JPG]] was updated at
2011-06-09T09:32:46 to include 2011 (new bar on the right):
[http://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Rebbluete_1965-2010_GV_Krems.JPG/800px-Rebbluete_1965-2010_GV_Krems.JPG
800px is old],
[http://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Rebbluete_1965-2010_GV_Krems.JPG/801px-Rebbluete_1965-2010_GV_Krems.JPG
801 px is new]. Interesting: If I call this modified URL
[http://upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Rebbluete_1965-2010_GV_Krems.JPG/800px-Rebbluete_1965-2010_GV_Krems.JPG?78]
it works for this request. However, the URLs used by the thumbs do not work.
Cheers --Saibo

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-06-09 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Saibo saibotr...@arcor.de changed:

   What|Removed |Added

 CC||saibotr...@arcor.de

--- Comment #19 from Saibo saibotr...@arcor.de 2011-06-10 04:20:42 UTC ---
(where is the edit button here)  I tried again after submitting... now also the
correct URL works. Strange.  Btw: I had never viewed the image at its old
version - it cannot be my browser's cache.

What I did before trying this modified URL (hash and ?78 appended) is: purge
the file's page, make a nulledit to it. --Saibo

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-06-09 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #20 from Saibo saibotr...@arcor.de 2011-06-10 04:26:35 UTC ---
http://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Rebbluete_1965-2010_GV_Krems.JPG/220px-Rebbluete_1965-2010_GV_Krems.JPG
did still not work. Called (wrong hash)
http://upload.wikimedia.org/wikipedia/commons/thumb/d/a6/Rebbluete_1965-2010_GV_Krems.JPG/220px-Rebbluete_1965-2010_GV_Krems.JPG
and now also
http://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Rebbluete_1965-2010_GV_Krems.JPG/220px-Rebbluete_1965-2010_GV_Krems.JPG
works.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-06-06 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Reedy s...@reedyboy.net changed:

   What|Removed |Added

  Component|Images and files|General/Unknown
Version|(wikimedia-deployment)  |unspecified
Product|MediaWiki   |Wikimedia

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-06-06 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Rob Lanphier ro...@wikimedia.org changed:

   What|Removed |Added

   Priority|Normal  |High
 CC||ro...@wikimedia.org

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-31 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Derk-Jan Hartman hart...@videolan.org changed:

   What|Removed |Added

 CC||hart...@videolan.org

--- Comment #16 from Derk-Jan Hartman hart...@videolan.org 2011-05-31 
19:16:21 UTC ---
Still reproducible after purging for florida squids was fixed.
http://wikitech.wikimedia.org/index.php?title=Server_admin_logaction=historysubmitdiff=34235oldid=34234

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-31 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #17 from Derk-Jan Hartman hart...@videolan.org 2011-05-31 
19:26:01 UTC ---
Another example after action=purge on the description page:

Outdated thumb, note the Last modified of 2008
Request
URL:http://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/%C3%84lghult_vapen.svg/251px-%C3%84lghult_vapen.svg.png
Request Method:GET
Status Code:200 OK
Request Headersview source
Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Cache-Control:max-age=0
User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/535.1+
(KHTML, like Gecko) Version/5.0.5 Safari/533.21.1
Response Headersview source
Accept-Ranges:bytes
Age:807
Connection:keep-alive
Content-Length:31529
Content-Type:image/png
Date:Tue, 31 May 2011 19:08:44 GMT
Last-Modified:Sun, 09 Nov 2008 21:29:04 GMT
Server:nginx/0.7.65
X-Cache:HIT from sq85.wikimedia.org, MISS from sq55.wikimedia.org, HIT from
amssq58.esams.wikimedia.org, MISS from amssq49.esams.wikimedia.org
X-Cache-Lookup:HIT from sq85.wikimedia.org:3128, MISS from
sq55.wikimedia.org:80, HIT from amssq58.esams.wikimedia.org:3128, MISS from
amssq49.esams.wikimedia.org:80


Fresh different size:
Request
URL:http://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/%C3%84lghult_vapen.svg/255px-%C3%84lghult_vapen.svg.png
Request Method:GET
Status Code:200 OK
Request Headersview source
Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Cache-Control:max-age=0
User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/535.1+
(KHTML, like Gecko) Version/5.0.5 Safari/533.21.1
Response Headersview source
Accept-Ranges:bytes
Age:13
Connection:keep-alive
Content-Length:31007
Content-Type:image/png
Date:Tue, 31 May 2011 19:23:18 GMT
Server:nginx/0.7.65
X-Cache:HIT from amssq62.esams.wikimedia.org, MISS from
amssq56.esams.wikimedia.org
X-Cache-Lookup:HIT from amssq62.esams.wikimedia.org:3128, MISS from
amssq56.esams.wikimedia.org:80

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-28 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

J. Andrew Poth jap...@ieee.org changed:

   What|Removed |Added

 CC||jap...@ieee.org

--- Comment #15 from J. Andrew Poth jap...@ieee.org 2011-05-28 19:37:24 UTC 
---
This isn't just a Commons problem.  See
http://en.wikipedia.org/wiki/File:You_light_up_my_life_-_7_inch.jpg.

I uploaded the edited image three (3) times, with the newest thumb remaining
the wrong version, as described by Erwin Dokter, above.  I thought I was
inadvertently uploading the unedited file, until I finally figured out that
Wikipedia was screwed up.  Since then, I've only uploaded modified images to
Wikipedia or Wikimedia Commons once, and waited to see if the corrections would
eventually show up in the article.  A recent image,
http://commons.wikimedia.org/wiki/File:SolderGun.jpg, took almost 48 hours to
update the thumbnail on the image page and show the edited image in the
Wikipedia article.  Purging the thumbnail cache on Wikipedia/Wikimedia and
clearing my browser cache has zero effect.  Using a different browser has zero
effect.  The problem of thumbnails not being updated is entirely beyond the
user's control.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-23 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Erwin Dokter er...@darcoury.nl changed:

   What|Removed |Added

 CC||er...@darcoury.nl

--- Comment #13 from Erwin Dokter er...@darcoury.nl 2011-05-23 10:53:05 UTC 
---
Another testcase: http://commons.wikimedia.org/wiki/File:Gluehlampe_01_KMJ.jpg

No matter what, the newest thumb in the history remains the wrong version. Each
attempt to update moves the wrong version up, while the previous version is
properly updated. I did finally manage to purge the main file while logged out,
but all the thumbnails of the current version are still the wrong version.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-23 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #14 from Saibo saibotr...@arcor.de 2011-05-23 13:38:15 UTC ---
For more reports on this problem please see
http://commons.wikimedia.org/wiki/Commons:Village_pump#Bizarre_image_caching_problem
and the Help Desk section linked there.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-22 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #8 from Bryan Tong Minh bryan.tongm...@gmail.com 2011-05-22 
21:25:49 UTC ---
One broken:

http://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Lombardia_Pavia2_tango7174.jpg/800px-Lombardia_Pavia2_tango7174.jpg

GET
/wikipedia/commons/thumb/6/69/Lombardia_Pavia2_tango7174.jpg/800px-Lombardia_Pavia2_tango7174.jpg
HTTP/1.1
Host: upload.wikimedia.org
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0.1) Gecko/20100101
Firefox/4.0.1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip, deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 115
Connection: keep-alive

HTTP/1.0 200 OK
Server: nginx/0.7.65
Date: Fri, 20 May 2011 14:45:13 GMT
Content-Type: image/jpeg
Content-Length: 150250
Last-Modified: Sun, 19 Jul 2009 05:47:48 GMT
Accept-Ranges: bytes
Age: 196647
X-Cache: HIT from amssq50.esams.wikimedia.org, MISS from
knsq21.knams.wikimedia.org
X-Cache-Lookup: HIT from amssq50.esams.wikimedia.org:3128, MISS from
knsq21.knams.wikimedia.org:80
Connection: keep-alive

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-22 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #9 from Reedy s...@reedyboy.net 2011-05-22 21:26:53 UTC ---
I'm guessing this is potentially related to the cache purging issues we've got
atm...

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-22 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Marin b604...@klzlk.com changed:

   What|Removed |Added

   Platform|Macintosh   |All
 OS/Version|Mac OS X 10.6   |All

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-22 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #11 from Marin b604...@klzlk.com 2011-05-23 00:17:04 UTC ---
(but, there's not thumbnail problem with this image, the problem happens
everywhere with it)

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-22 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Marin b604...@klzlk.com changed:

   What|Removed |Added

 CC||b604...@klzlk.com

--- Comment #10 from Marin b604...@klzlk.com 2011-05-23 00:09:33 UTC ---
http://commons.wikimedia.org/wiki/File:Pronote.png : The last version is
uppercase, but it is lowercase with the first letter uppercase (old version)
for some people, and uppercase for other people... It is lowercase for me, I
tried with several browsers and emptied my cache many times.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-22 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #12 from Marin b604...@klzlk.com 2011-05-23 02:32:42 UTC ---
(the bug on http://commons.wikimedia.org/wiki/File:Pronote.png is now
corrected)

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-03 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Mark A. Hershberger m...@everybody.org changed:

   What|Removed |Added

   Keywords|triage  |

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-02 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

--- Comment #7 from Bryan Tong Minh bryan.tongm...@gmail.com 2011-05-02 
07:40:53 UTC ---
Presumably somebody purged the file. I forgot to save the headers from when it
was still broken.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-05-01 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Tim Starling tstarl...@wikimedia.org changed:

   What|Removed |Added

 CC||tstarl...@wikimedia.org

--- Comment #6 from Tim Starling tstarl...@wikimedia.org 2011-05-02 01:34:01 
UTC ---
Did someone break this test case? I get an Age header showing 6 minutes, and
Last-Modified 20 April.

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[Bug 28613] Some thumbnails [or squid cache of them] weren't purged when new version of file uploaded.

2011-04-20 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=28613

Bawolff bawolff...@gmail.com changed:

   What|Removed |Added

Summary|thumbnail version depends   |Some thumbnails [or squid
   |on login state  |cache of them] weren't
   ||purged when new version of
   ||file uploaded.

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