[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2013-05-06 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #65 from MZMcBride b...@mzmcbride.com ---
Given the deployment of Scribunto/Lua to all Wikimedia wikis, I'm inclined to
mark this bug as resolved/fixed. Certain pages such as [[wikt:a]] are still
taking over 30 seconds to parse, however these individual cases should be split
out into individual bugs so that appropriate modules can be written on specific
wikis, in my opinion.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2013-05-06 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #66 from Mark A. Hershberger m...@everybody.org ---
(In reply to comment #65)
 Given the deployment of Scribunto/Lua to all Wikimedia wikis, I'm inclined to
 mark this bug as resolved/fixed.

Agreed for all the reasons MZ gave.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2013-05-06 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Ryan Kaldari rkald...@wikimedia.org changed:

   What|Removed |Added

 Status|REOPENED|RESOLVED
 Resolution|--- |FIXED

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2013-03-18 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Andre Klapper aklap...@wikimedia.org changed:

   What|Removed |Added

 Whiteboard||aklapper-fixedbyLua?

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2013-03-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Sumana Harihareswara suma...@wikimedia.org changed:

   What|Removed |Added

 CC||suma...@wikimedia.org

--- Comment #64 from Sumana Harihareswara suma...@wikimedia.org ---
Project LibX, now that we've deployed Scribunto to English Wikipedia, it's a
good time to engage with the English Wikipedia template editors regarding COinS
metadata at
https://en.wikipedia.org/wiki/Template_talk:Citation/core#LUA_deployed , if you
haven't already.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2013-02-14 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Aude aude.w...@gmail.com changed:

   What|Removed |Added

 CC||aude.w...@gmail.com

--- Comment #63 from Aude aude.w...@gmail.com ---
*** Bug 44982 has been marked as a duplicate of this bug. ***

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-17 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #59 from Bawolff bawolff...@gmail.com 2012-11-17 19:42:33 UTC ---
(In reply to comment #58)
 So - reimplement here means that COinS will just show up again, or will you
 provide metadata in a different format.
 
 If you provide again COinS, it would be nice if you improved your
 implementation and made it compliant with NISO Z39.88's context object format.
 That would help tremendously in making items findable more easily.

Well the you in that sentence is a bit ambiguous. We (MW devs) didn't have
anything to do with the COinS metadata. Presumably when it gets re-added it
will be done by the Wikipedians, so you would have to talk to them about
different formats to use.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-17 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #60 from Mark A. Hershberger m...@everybody.org 2012-11-17 
19:54:06 UTC ---
(In reply to comment #59)
 We (MW devs) didn't have
 anything to do with the COinS metadata. Presumably when it gets re-added it
 will be done by the Wikipedians, so you would have to talk to them about
 different formats to use.

Note that you should talk to the wiki editors on-wiki.  You probably need to
post something about COinS on [[WP:VPT]].  They will at least be able to direct
you to the right place.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-17 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #61 from Bawolff bawolff...@gmail.com 2012-11-17 19:59:17 UTC ---
There's conversation about the removal at [[template_talk:Citation/core]].

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-17 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #62 from Project LibX libx@gmail.com 2012-11-17 21:54:53 UTC 
---
Thanks. At the URL you link to, there's talk about an existing API for metadata
extraction.  Is this true?  We would be fine with an API, as long as it's REST
so we can run it from the user's browser, and as long as it allows accessing
the metadata for specific references on a page.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #51 from Project LibX libx@gmail.com 2012-11-16 14:15:16 UTC 
---
So I read through this thread, and I'm amazed, to put it politely.

There is a performance problem that affects only people logged into Wikipedia,
which has got to be a small percentage of Wikipedia users, probably just
contributors and editors.  In response, you disable a crucial feature that
allows average users to actually find the article Wikipedia cites.  Not only do
you disable it for editors, you disable it for everyone!

You know that people make fun of Wikipedia for its lack of reliable sources,
and the circularity that sometimes results:
http://itst.net/wp-content/uploads/2009/06/informationsgesellschaft-wikipedia-presse-1024x768.jpg

I conclude a number of things. First, editors don't seem to be in the business
of checking cited sources. Otherwise, clicking on a COinS, getting the primary
source would be a *frequent* operation for them, and they'd be clamoring for
tools like LibX that streamline this process.

Second, why was this disabled both for editors (where, I'm guessing, the page
is rendered every time a visit occurs), and ordinary users (who, I'm guessing,
fetch a cached, prerendered page?)  Why can't the COinS be in the cached page
the majority of users sees?

Third, there doesn't seem to be any metadata in the page right now. See point
#1 - how are editors checking primary sources efficiently? Why did you disable
this feature *before* you had a replacement?

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #52 from p858snake p858sn...@gmail.com 2012-11-16 19:15:51 UTC ---
(In reply to comment #51)
 So I read through this thread, and I'm amazed, to put it politely.
 
 There is a performance problem that affects only people logged into Wikipedia,
 which has got to be a small percentage of Wikipedia users, probably just
 contributors and editors.

[Citation Needed] The issue affects the ability to edit and save the pages
which in turns affects the non logged in users because people don't edit the
pages to update.


 In response, you disable a crucial feature that
 allows average users to actually find the article Wikipedia cites.  Not only
 do you disable it for editors, you disable it for everyone!

This isn't a crucial feature, The primary data (the refernces) are still in the
page.


 I conclude a number of things. First, editors don't seem to be in the business
 of checking cited sources.

[Citation Needed]


 Second, why was this disabled both for editors (where, I'm guessing, the page
 is rendered every time a visit occurs), and ordinary users (who, I'm guessing,
 fetch a cached, prerendered page?)  Why can't the COinS be in the cached page
 the majority of users sees?

Because we currently don't have a system where we can do that.

 Third, there doesn't seem to be any metadata in the page right now. See point
 #1 - how are editors checking primary sources efficiently? Why did you disable
 this feature *before* you had a replacement?

Because most people would view actually editing the page is more important than
metadata making source checking easier.


Also it would be nice if you changed your Bz account from showing that your a
role account for a business/website to a individual so we know who were
actually talking to.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #53 from Project LibX libx@gmail.com 2012-11-16 20:57:16 UTC 
---

libx@gmail.com is backed by the LibX Team; I'm in charge of the technical
aspects.  LibX is no business - it's open source; though we have received
federal grants to employ some students, it's primarily community driven. Our
key community are thousands of librarians who have set it up for their own
local communities.

Currently, I'm happy that this happened this week, and not 3 months from now,
because I was just able to recruit one student to (finally) improve support for
COinS - Wikipedia was our primary target. We were going to analyze the quality
of the COinS (which btw wasn't good - I think that's because you had Wikitags
in the metadata, like brackets), then decide on which services we needed to use
to make sure the user can get to the item cited.  Note that libraries have been
slow to provide services that expose their knowledge base of what they hold and
how their users can get access to it, which is why it's taken so many years
that such a project has become feasible at all. Today, it is. Discovery systems
like Summon provide full-text indices that not only include the combined
content of many traditional abstracting and indexing databases, but also news
paper archives, traditional library catalogs, and even local institutional
sources like electronic theses and dissertation databases.

In any event, consider doing something - if the performance of your template
structure is the issue, use other techniques.  Provide an AJAX service, or
embed the data in client-side JavaScript (like nytimes.com does), then put it
together on the client.  From our perspective, the goal is to show the user,
upon a mouse gesture, whether they have access to an item that's cited in a
Wikipedia article.  If so, a single click of the mouse should get them there. 
This goal is difficult to achieve if only the unstructured, formatted data is
present. But it's a worthwhile goal and, I'm convinced, would truly help
editors if/when they check sources.

 - Godmar Back (libx@gmail.com)

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #54 from Chad H. innocentkil...@gmail.com 2012-11-16 21:10:16 UTC 
---
(In reply to comment #53)
 In any event, consider doing something - if the performance of your template
 structure is the issue, use other techniques.


We are doing something different and it's under active development (and much
further along than starting fresh with some AJAXy hacks). It's called
Lua/Scribunto, and it was mentioned in comment 50.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #55 from Project LibX libx@gmail.com 2012-11-16 21:26:52 UTC 
---
I'm familiar with Lua (the programming language), and googling Scribunto leads
to http://www.mediawiki.org/wiki/Extension:Scribunto which, upon 10 second
inspection, doesn't explain how you'll be providing metadata.

My use of the acronym 'AJAX' was referring to the asynchronous nature any
service would need to have to avoid holding up the rendering of the page, which
seemed to be your main concern. In other words, the page would be rendered and
sent to the user without metadata, just containing a quickly-generated key for
each item. Only when the user accesses it, such as by hovering over an item,
would a separate service be accessed that provides the metadata in usable form.
You can see this technique in action in many webpages, and it's not a hack at
all.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #56 from Chad H. innocentkil...@gmail.com 2012-11-16 22:18:46 UTC 
---
(In reply to comment #55)
 I'm familiar with Lua (the programming language), and googling Scribunto leads
 to http://www.mediawiki.org/wiki/Extension:Scribunto which, upon 10 second
 inspection, doesn't explain how you'll be providing metadata.
 

It's not just about metadata...the point is that we'll be able to (re)introduce
complex things to templates without causing them to take ages to render (which
was the whole reason for removing it).

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #57 from Ryan Kaldari rkald...@wikimedia.org 2012-11-16 22:29:37 
UTC ---
The current plan is to deploy Scribunto to the production wikis in early 2013
(although I don't know personally if we are still on target for that). One of
the first things that Scribunto will be used for is re-implementing the
Citation/core template on English Wikipedia. Scribunto will allow our citation
templates to be generated with a real programming language (Lua), rather than
through a convoluted Turing machine of Wikitext. It is also expected that this
conversion will dramatically improve page parsing time so that we are no longer
teetering on the edge of the parser timeout abyss.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #58 from Project LibX libx@gmail.com 2012-11-17 01:53:19 UTC 
---
So - reimplement here means that COinS will just show up again, or will you
provide metadata in a different format.

If you provide again COinS, it would be nice if you improved your
implementation and made it compliant with NISO Z39.88's context object format.
That would help tremendously in making items findable more easily.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-15 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Project LibX libx@gmail.com changed:

   What|Removed |Added

 CC||libx@gmail.com

--- Comment #49 from Project LibX libx@gmail.com 2012-11-15 19:59:49 UTC 
---
LibX (libx.org) is a COinS processor, used by over 200,000 users affiliated
with over 1,000 libraries worldwide.  We link users to their OpenURL resolvers
to obtain referenced items - journal and newspaper articles and books.

We are in the middle of a project to greatly improve COinS processing, with
Wikipedia as the primary beneficiary.  Whereas the current implementation
simply links users; our planned implementation would contact the user's library
through such APIs as the Summon API and directly find links to where the user
can get the item.  This is of tremendous benefit, particularly to users of
academic libraries with subscriptions to journal database or news paper
archives.

Please restore this functionality, either by restoring COinS, ajaxing COinS, or
using alternative microformats; please provide this functionality such that not
only metadata extraction is facilitated (like Zotero needs), but also such that
a user interface can be provided that alerts users that an agent has processed
the metadata - LibX, for instance, places a 'cue' where a COinS appears; we
would like to add a tooltip.  See an example of our envisioned design here:
http://libx.org/how-to-set-up-libx-with-the-summon-api/  (This shows what we
right now do for ISBNs on a page - we are working on doing just that for COinS,
though would probably stop this project if Wikipedia drops COinS since you are
the major provider at this point.)

Thank you for your consideration.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-15 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #50 from Bawolff bawolff...@gmail.com 2012-11-16 02:48:22 UTC ---
(In reply to comment #49)
 LibX (libx.org) is a COinS processor, used by over 200,000 users affiliated
 with over 1,000 libraries worldwide.  We link users to their OpenURL resolvers
 to obtain referenced items - journal and newspaper articles and books.
 
 We are in the middle of a project to greatly improve COinS processing, with
 Wikipedia as the primary beneficiary.  Whereas the current implementation
 simply links users; our planned implementation would contact the user's 
 library
 through such APIs as the Summon API and directly find links to where the user
 can get the item.  This is of tremendous benefit, particularly to users of
 academic libraries with subscriptions to journal database or news paper
 archives.
 
 Please restore this functionality, either by restoring COinS, ajaxing COinS, 
 or
 using alternative microformats; please provide this functionality such that 
 not
 only metadata extraction is facilitated (like Zotero needs), but also such 
 that
 a user interface can be provided that alerts users that an agent has processed
 the metadata - LibX, for instance, places a 'cue' where a COinS appears; we
 would like to add a tooltip.  See an example of our envisioned design here:
 http://libx.org/how-to-set-up-libx-with-the-summon-api/  (This shows what we
 right now do for ISBNs on a page - we are working on doing just that for 
 COinS,
 though would probably stop this project if Wikipedia drops COinS since you are
 the major provider at this point.)
 
 Thank you for your consideration.

There's probably a good chance the Wikipedians will add back COinS metadata
once scribunto is deployed assuming the assumed performance predictions hold
true. At this point I'd recommend just waiting it out.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Andre Klapper aklap...@wikimedia.org changed:

   What|Removed |Added

 CC||aklap...@wikimedia.org,
   ||ro...@wikimedia.org

--- Comment #43 from Andre Klapper aklap...@wikimedia.org 2012-11-12 14:40:07 
UTC ---
Ryan: As you bumped this back to highest priority, is anybody working on this?
I'd like to have an assignee for this...

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #44 from Tim Starling tstarl...@wikimedia.org 2012-11-12 22:31:40 
UTC ---
(In reply to comment #43)
 Ryan: As you bumped this back to highest priority, is anybody working on this?
 I'd like to have an assignee for this...

Three members of the platform team are working on Lua support, and I removed
the COINS metadata from {{Citation/core}} on the English Wikipedia, reducing
the parse time for articles with many citations by about 25%. [[Muammar
Gaddafi]] now takes only 23 seconds.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Ryan Kaldari rkald...@wikimedia.org changed:

   What|Removed |Added

   Priority|Highest |High

--- Comment #45 from Ryan Kaldari rkald...@wikimedia.org 2012-11-13 00:06:26 
UTC ---
Thanks. I was considering doing that myself, but your edit+opinion carries a
lot more weight :)

Moving priority back to High for now.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Andre Klapper aklap...@wikimedia.org changed:

   What|Removed |Added

 CC|ro...@wikimedia.org |

--- Comment #46 from Andre Klapper aklap...@wikimedia.org 2012-11-13 00:14:41 
UTC ---
(In reply to comment #44)
 I removed the COINS metadata from {{Citation/core}} on the English Wikipedia

Thanks for the workaround!

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #47 from Tim Starling tstarl...@wikimedia.org 2012-11-13 00:38:26 
UTC ---
I've opened a discussion about the Wiktionary problem here: 

https://en.wiktionary.org/wiki/Wiktionary:Grease_pit/2012/November#Expanding_the_list_templates

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #48 from Ryan Kaldari rkald...@wikimedia.org 2012-11-13 01:40:01 
UTC ---
I also left a couple messages on the Arabic Wikipedia (in English
unfortunately):
http://ar.wikipedia.org/wiki/%D9%86%D9%82%D8%A7%D8%B4_%D8%A7%D9%84%D9%82%D8%A7%D9%84%D8%A8:%D8%A7%D8%B3%D8%AA%D8%B4%D9%87%D8%A7%D8%AF
http://ar.wikipedia.org/wiki/%D9%88%D9%8A%D9%83%D9%8A%D8%A8%D9%8A%D8%AF%D9%8A%D8%A7:%D8%B3%D9%81%D8%A7%D8%B1%D8%A9#Technical_issue_with_citation_templates

Perhaps Uwe could help translate them for us.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-11 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Ryan Kaldari rkald...@wikimedia.org changed:

   What|Removed |Added

   Priority|High|Highest

--- Comment #41 from Ryan Kaldari rkald...@wikimedia.org 2012-11-12 02:51:59 
UTC ---
Confirmed that it is no longer possible to edit the Gaddafi article without
parser timeout (http://en.wikipedia.org/wiki/Muammar_Gaddafi). That makes 3
reports of significantly important articles suffering read timeout in the past
week (on 3 different wikis). Since this is a more significant bug than any of
the others currently assigned to Highest priority, I'm going to bump it to
Highest as well.

Would it be possible for us to adjust the parser timeout time until Scribunto
is deployed?

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-11 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #42 from Tim Starling tstarl...@wikimedia.org 2012-11-12 03:51:43 
UTC ---
(In reply to comment #41)
 Confirmed that it is no longer possible to edit the Gaddafi article without
 parser timeout (http://en.wikipedia.org/wiki/Muammar_Gaddafi). That makes 3
 reports of significantly important articles suffering read timeout in the past
 week (on 3 different wikis). 

According to slow-parse.log on fluorine, parse times for [[Muammar Gaddafi]]
have been stable at 30-35 seconds since the log began in May. The [[a]] article
on en.wiktionary.org has been taking more than 30 seconds since June 4. This is
not a new or rapidly-changing problem.

 Since this is a more significant bug than any of
 the others currently assigned to Highest priority, I'm going to bump it to
 Highest as well.
 
 Would it be possible for us to adjust the parser timeout time until Scribunto
 is deployed?

I don't think that would be a good idea, I think it would worsen our exposure
to DoS attacks, and encourage template editors to make articles render even
more slowly.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-10 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Andre Klapper aklap...@wikimedia.org changed:

   What|Removed |Added

 CC||bardi_harbo...@yahoo.com.au

--- Comment #40 from Andre Klapper aklap...@wikimedia.org 2012-11-10 13:27:28 
UTC ---
*** Bug 41941 has been marked as a duplicate of this bug. ***

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-09 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

uwe maysara.abdul...@gmail.com changed:

   What|Removed |Added

 CC||maysara.abdul...@gmail.com

--- Comment #39 from uwe maysara.abdul...@gmail.com 2012-11-10 00:43:01 UTC 
---
Also it is impossible to edit article
https://ar.wikipedia.org/wiki/%D8%A5%D8%B3%D9%84%D8%A7%D9%85 (arabic article
about Islam)

Request: POST
http://ar.wikipedia.org/w/index.php?title=%D8%A5%D8%B3%D9%84%D8%A7%D9%85action=submit,
from 41.43.16.246 via cp1006.eqiad.wmnet (squid/2.7.STABLE9) to 10.64.0.141
(10.64.0.141)
Error: ERR_READ_TIMEOUT, errno [No Error] at Sat, 10 Nov 2012 00:09:00 GMT

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-08 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Derk-Jan Hartman hartman.w...@gmail.com changed:

   What|Removed |Added

 CC||cmcma...@wikimedia.org

--- Comment #38 from Derk-Jan Hartman hartman.w...@gmail.com 2012-11-08 
09:18:33 UTC ---
*** Bug 41863 has been marked as a duplicate of this bug. ***

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-11-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #37 from Ryan Kaldari rkald...@wikimedia.org 2012-11-04 08:49:34 
UTC ---
It seems that it is currently very difficult to edit
http://en.wiktionary.org/wiki/a due to this bug. It typically times out when
trying to save. Here is the report for the page:

Preprocessor visited node count: 479524/100
Preprocessor generated node count: 132979/150
Post-expand include size: 1772116/2048000 bytes
Template argument size: 224175/2048000 bytes
Highest expansion depth: 31/40
Expensive parser function count: 219/500

Looking forward to the deployment of Scribunto :)

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-02-28 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Mark A. Hershberger john.n...@gmx.com changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 CC|b...@mzmcbride.com,|john.n...@gmx.com
   |bawolff...@gmail.com,   |
   |innocentkil...@gmail.com,   |
   |m...@everybody.org,  |
   |p858sn...@gmail.com,|
   |platoni...@gmail.com,   |
   |rkald...@wikimedia.org, |
   |roan.katt...@gmail.com  |
 Resolution||WONTFIX

--- Comment #37 from Mark A. Hershberger john.n...@gmx.com 2012-02-28 
20:46:37 UTC ---
Won't. Ahahahahaha!

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2012-02-28 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Bugmeister Bot mhershber...@wikimedia.org changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 CC|john.n...@gmx.com   |b...@mzmcbride.com,
   ||bawolff...@gmail.com,
   ||innocentkil...@gmail.com,
   ||m...@everybody.org,
   ||p858sn...@gmail.com,
   ||platoni...@gmail.com,
   ||rkald...@wikimedia.org,
   ||roan.katt...@gmail.com
 Resolution|WONTFIX |

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-11-30 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Brion Vibber brion.vib...@ymail.com changed:

   What|Removed |Added

 CC||brion.vib...@ymail.com

--- Comment #37 from Brion Vibber brion.vib...@ymail.com 2011-11-30 19:08:11 
UTC ---
Fixed in r108765.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-11-30 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Reedy s...@reedyboy.net changed:

   What|Removed |Added

 CC|brion.vib...@ymail.com  |

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-10-24 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

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

   What|Removed |Added

 CC||tstarl...@wikimedia.org

--- Comment #36 from Tim Starling tstarl...@wikimedia.org 2011-10-24 22:23:32 
UTC ---
Just removing the COINS metadata from {{Citation/core}} would speed up article
rendering significantly.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-10-11 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

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

   What|Removed |Added

   Keywords||platformeng
   Priority|Highest |High
 AssignedTo|ro...@wikimedia.org |wikibugs-l@lists.wikimedia.
   ||org

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-09-06 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #35 from Rob Lanphier ro...@wikimedia.org 2011-09-07 05:04:38 UTC 
---
Here's what I'm saying:  current performance is too slow.  We know it's too
slow, and we have at least a couple initiatives that should make things
significantly faster, along with other less dramatic improvements that we
should also implement if we still have problems.

However, what I'm also saying is that there's no way to give people a general
purpose programming environment, and then expect that it's going to perform
well no matter what anyone throws at it.  It's just not possible.  It can
perform well for most reasonable tasks, and we're not *aware* of any tasks that
are unreasonable, but there's no guarantee that everything that every
programmer does is going to be reasonable.  The programmer may be trying to
accomplish something reasonable, but I've seen even very good programmers make
very poor performance choices in their code.  On a wiki anyone can edit, there
will almost always be someone(s) who is/are doing it wrong.

I believe that Brion's comment in 2006 was a reaction to the prevailing mood at
the time.  If I recall his account of things correctly, there was a lot of
pseudoscientific thou shalt not use the foobar template, for you will anger
the performance gods, and they will smite the server kittehs.  He saw that
people were overreacting to advice about template performance, with no one
actually doing any genuine profiling.

So, now the pendulum seems to have swung in the other direction.  Yes, we need
references in articles.  Yes, there are plenty of other perfectly reasonable
uses of templates.  Don't stop doing those things.   That said, if there are
more efficient ways of achieving the same end using a more efficient template,
please, for pete's sake, make the template more efficient.  Also, please help
us figure out which templates are expensive and why they're expensive.  If we
can actually narrow down which parts of templates suck, developers may have a
better idea of what parts should be implemented directly in PHP or even C if
need be.

My point is this: there's not a problem.  There are problems.  Having this
all in a single bug suggests there is a single problem, and that's what I
have a problem with.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-09-04 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #34 from Ryan Kaldari rkald...@wikimedia.org 2011-09-04 20:59:59 
UTC ---
Well, it seems Rob's comments have muddied the waters a bit. Correct me if I'm
wrong, but Rob seems to be saying that no matter how much effort the developers
put into back-end performance and optimization, the current degree of template
complexity means that well-cited articles are always going to be slow. If that
is the case, then I think we need to tell that to the community and have them
work on template optimization. If that isn't the case, then we need to be clear
about that as well, and make sure that this bug stays a high priority for the
developers.

As for this bug being too vague to fix, I will personally consider it fixed
when I no longer get read timeouts from trying to view diffs, which I still do
as of today.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-09-03 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

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

   What|Removed |Added

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

--- Comment #33 from Roan Kattouw roan.katt...@gmail.com 2011-09-03 10:01:24 
UTC ---
(In reply to comment #32)
 But when it takes 35+ seconds to load a page, performance does matter!
No one said it didn't matter. We all agree this is a problem, it's just that
we're saying this is something for *us* (developers) to fix, not for template
editors necessarily.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-09-02 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #28 from Rob Lanphier ro...@wikimedia.org 2011-09-02 20:58:25 UTC 
---
This isn't really a single issue.  Every page is going to have a different
specific reason for taking a long time to load.  Generally, the problem will be
some combination of the following problems:
1.  Our template language is too slow
2.  Our PHP interpreter is too slow
3.  The templates being used by the page are too complicated or inefficient

We have initiatives to solve the first two problems (#1: use a new template
language like Wikiscript, Lua, or Javascript; #2: use HipHop).  However, if a
page is taking over a minute to parse, chances are that the templates
themselves need to be made more efficient.  No matter how efficient we make the
template language, it will always be possible to more than offset the
efficiency gain with more complicated templates.  The more efficient we make
templates, the more complicated people will make templates.

I think more sandbox testing like what MZMcBride did (see comment #2) would be
very valuable to isolate specific templates that are ripe for optimization.

I'm not sure if this particular bug is going to be valuable to keep open.  It's
not specific enough to ever be closed.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-09-02 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #29 from Ryan Kaldari rkald...@wikimedia.org 2011-09-02 21:52:44 
UTC ---
Thanks for the enlightening post Rob. If template complexity is really to
blame, we need to make a concerted effort to communicate this to the community.
For the past several years the community has been told the opposite: That they
should not worry about template costs or server performance issues. For
example:

Generally, you should not worry much about little things like templates and
'server load' at a policy level. If they're expensive, we'll either fix it or
restrict it at a technical level; that's our responsibility... -- Brion
Vibber, 2006

In fact, there's an entire essay on en.wiki: Wikipedia:Don't worry about
performance

Clearly this mindset is now outdated. Perhaps you or Brion could post about
this issue on the Wikimedia Blog so that we can start to change this mindset
and get people working on template optimization.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-09-02 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #30 from j.mccra...@comcast.net 2011-09-02 23:16:57 UTC ---
When I first posted this, it was taking 35 seconds or longer.  It got worse. 
But I checked it today on IE and Firefox and it was fast - about 2 seconds. 
Has something been fixed?

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-09-02 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #31 from MZMcBride b...@mzmcbride.com 2011-09-03 02:34:02 UTC ---
(In reply to comment #29)
 In fact, there's an entire essay on en.wiki: Wikipedia:Don't worry about
 performance
 
 Clearly this mindset is now outdated. Perhaps you or Brion could post about
 this issue on the Wikimedia Blog so that we can start to change this mindset
 and get people working on template optimization.

That's most certainly not the solution. This can't be stressed enough. Tim and
I have discussed this (though he comes down on your side still, I think, or did
at one point).

The scope of Wikimedia projects is the dissemination of free educational
material. When you make it the job of wiki users to debug complex
wiki-templates and try to fine-tune them, it's a very bad and very undesirable
situation.

Users should not be worried about performance, by and large. They certainly
shouldn't be concerned that they're using too many calls to citation templates
(of all things!). We want users to be encouraged to cite information and build
content. That's the goal. We want to discourage mindless optimizations
(without any real debugging tools) that users will inevitably and invariably
make in the name of fixing a system that they didn't break and that's not their
responsibility to maintain.

(In reply to comment #28)
 This isn't really a single issue.  Every page is going to have a different
 specific reason for taking a long time to load.

Err, prove it. The pages that I've seen that are slower all have the same root
cause: too many calls to particular types of templates. Citation templates are
the biggest issue, but the coord(inates) family and the convert family have
also caused problems in the past.

 I think more sandbox testing like what MZMcBride did (see comment #2) would be
 very valuable to isolate specific templates that are ripe for optimization.

It's valuable when there's a dearth. But at the moment, finding large pages
that take an excessive amount of time to load/render/parse is easy. And the
solution(s) are already known (as Domas would say, this is very low-hanging
fruit from an optimization standpoint). It's a matter of implementing the
solutions (which I guess Tim and Victor are working on).

(And, going forward, users ideally won't even have a real concept of templates
outside of those things that make wiki-editing more standardized. We want to
get users away from thinking about {{cite web}} or {{coord}} or anything
like that. That's echoing what Brion and many others have said, especially as
work on the new parser ramps up. Trying to get users to care about these
templates and then trying to get them to make them faster is a step in the
wrong direction.)

 I'm not sure if this particular bug is going to be valuable to keep open.  
 It's
 not specific enough to ever be closed.

This bug is fine. When there is a better system (or systems) in place that make
the pages load faster, this bug can be closed. Just because a bug is difficult
or is going to likely remain open for a long time doesn't make it any less
valid. There's certainly something problematic and actionable here.

(In reply to comment #30)
 When I first posted this, it was taking 35 seconds or longer.  It got worse. 
 But I checked it today on IE and Firefox and it was fast - about 2 seconds. 
 Has something been fixed?

Sounds like you just hit cache. (Or I suppose it's possible someone drastically
reduced the number of template calls in the page you're looking at.) Do you
have a particular example page/URL? Have you tried with ?action=purge appended?

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-09-02 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

--- Comment #32 from j.mccra...@comcast.net 2011-09-03 02:43:50 UTC ---
But when it takes 35+ seconds to load a page, performance does matter!  Many
readers are not going to wait that long and will miss the content.

And when it takes 2 minutes to get a diff or an edit screen, performance does
matter.  Some editors (including me) are just not going to wait for that long
of a time just to get to the edit screen or to check other's edits.

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-08-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

Ryan Kaldari rkald...@wikimedia.org changed:

   What|Removed |Added

Summary|Pages with a high number of |Pages with a high number of
   |citation templates suffer   |templates suffer extremely
   |extremely slow rendering or |slow rendering or read
   |read timeout for logged in  |timeout for logged in users
   |users   |

--- Comment #27 from Ryan Kaldari rkald...@wikimedia.org 2011-08-12 17:12:56 
UTC ---
It looks like this issue affects more than just citation templates. Articles
with large numbers of Coord templates are also taking extremely long to load.

For example:
http://en.wikipedia.org/wiki/List_of_United_Kingdom_locations:_Am-Ar
took 59 seconds (excluding images and javascript)

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[Bug 19262] Pages with a high number of templates suffer extremely slow rendering or read timeout for logged in users

2011-08-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=19262

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

   What|Removed |Added

   Priority|Normal  |Highest

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