[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-02-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #29 from Nemo federicol...@tiscali.it ---
This is a frequent question but admittedly I can't find it in FAQ:

(In reply to comment #28)
 Couldn't the ULS team also use JavaScript to query client systems for their
 font lists [...]

No, not really. Asking font lists is a known privacy-invading practice and the
team said it's being increasingly restricted by browsers; moreover, it's not
even reliable.

However, all the comments above are superseded by the tofu detection mechanism,
see bug 56292 comment 10 and please continue there. Up to date information is
being collected by the team in
https://www.mediawiki.org/wiki/Universal_Language_Selector/WebFonts#Can.27t_the_webfonts_system_detect_whether_a_local_computer_has_font_for_a_language_and_download_fonts.3F

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-02-11 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

Bryce Glover randomdsde...@gmail.com changed:

   What|Removed |Added

 CC||randomdsde...@gmail.com

--- Comment #28 from Bryce Glover randomdsde...@gmail.com ---
(In reply to comment #11)
 Another approach would be to use information available at run-time to
 determine
 the probability that a user requires additional fonts to render text on the
 page. This would entail checking whether the user-agent string matches
 against
 a list of platforms which are known to require support. It could also entail
 using JavaScript to programmatically inspect the appearance of text on the
 page
 to determine which alphabets may require additional support before they can
 be
 displayed correctly.

Couldn't the ULS team also use JavaScript to query client systems for their
font lists before searching through them to see if any of the fonts installed
on such client systems include the characters necessary to display text
correctly in articles that require additional fonts to load properly?  Such
programmatic logic could then be used to determine if the ULS needs to load any
additional web fonts to finish displaying an article.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-21 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #24 from MZMcBride b...@mzmcbride.com ---
Related:

* https://gerrit.wikimedia.org/r/92562
* https://gerrit.wikimedia.org/r/108735

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-21 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

Nemo federicol...@tiscali.it changed:

   What|Removed |Added

   See Also||https://bugzilla.wikimedia.
   ||org/show_bug.cgi?id=46306

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-21 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

Nemo federicol...@tiscali.it changed:

   What|Removed |Added

 Blocks||56292

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-21 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

Nemo federicol...@tiscali.it changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |DUPLICATE

--- Comment #25 from Nemo federicol...@tiscali.it ---
(In reply to comment #22)
 OK, then I'd like to request that the language engineering team implement
 that
 approach for now [...]

In practice, for now, this was implemented via bug 46306 (by reversing the
default), as confirmed by bug 46306 comment 99: marking as dupe. (I don't know
what happened in the last 24h to override last week's decision and they were
not necessarily dupes because there were other ways, but this bug is
superseded.)

Bug 60304 was already filed to eventually reverse what happened in the last
day; the general discussion can continue at bug 56292.

*** This bug has been marked as a duplicate of bug 46306 ***

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-21 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

MZMcBride b...@mzmcbride.com changed:

   What|Removed |Added

 Depends on||46306
 Resolution|DUPLICATE   |FIXED

--- Comment #26 from MZMcBride b...@mzmcbride.com ---
While I think it's probably fine to mark this bug as resolved/duplicate, I
think resolved/fixed is probably the better option here. This bug and bug 46306
are obviously closely related, but I'm concerned that marking this bug as a
duplicate of bug 46306 might obscure important conversation that took place
here. And copying the comments over to bug 46306 would be tedious and noisy.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-21 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #27 from Nemo federicol...@tiscali.it ---
(In reply to comment #26)
 I'm concerned that marking this bug as a
 duplicate of bug 46306 might obscure important conversation that took place
 here.

I doubt it. :) Duplicate bugs are more visible than fixed bugs, not less,
because they turn up in default searches. Moreover, both are in the same list
of blockers of bug 56292.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-16 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

MZMcBride b...@mzmcbride.com changed:

   What|Removed |Added

 Status|PATCH_TO_REVIEW |NEW

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-13 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #19 from Erik Moeller e...@wikimedia.org ---
It's important to recognize that ULS provides:

- UI language selection for logged in users (not for logged out users due to
cache fragmentation);

- input method selection for all users;

- default font selection for all users (e.g. for enabling the OpenDyslexic
font);

- automatic WebFonts delivery for all users.

It's this fourth category that seems most contentious, because font files can
be very large and are often loaded unnecessarily. In the case of the Autonym
font, it is even loaded to display Latin characters, overriding the default
font and sometimes causing display issues. 

Would it be reasonable to set the font loading behavior to default-off, with a
preference for logged-out users (cookie or localstorage) and logged-in users
(actual preference) to enable automatic font delivery?

If so, attaching EventLogging to that preference might also yield some initial
data where this functionality is needed most.

Are there major performance concerns with functionality other than the font
delivery? If not, I would prefer an approach that focuses on that specific
issue.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-13 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #20 from Ori Livneh o...@wikimedia.org ---
(In reply to comment #19)
 Are there major performance concerns with functionality other than the font
 delivery?

Not to my knowledge, provided font delivery is understood to encompass the
automatic loading of ext.uls.webfonts.repository and the inspection of each DOM
node under body.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-13 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #21 from Ori Livneh o...@wikimedia.org ---
(In reply to comment #19)
 Would it be reasonable to set the font loading behavior to default-off, with
 a preference for logged-out users (cookie or localstorage) and logged-in users
 (actual preference) to enable automatic font delivery?

And, yeah: +1. I think that's the right approach, at least for now.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-13 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #22 from Erik Moeller e...@wikimedia.org ---
OK, then I'd like to request that the language engineering team implement that
approach for now, unless there are issues we're overlooking. As noted, we can
attach EventLogging to font activation, and we could potentially also run
notices or calls-to-action in specific affected wikis. We can figure out in the
next couple weeks if we want to prioritize getting back into a default-on state
for automatic font delivery for some users/languages quickly, or if this should
take a backseat to the language team's other priorities.

But, considering the significant payload added by automatic font delivery, I
think that's a reasonable compromise for now. I appreciate the team's efforts
to improve ULS performance across the board.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-13 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #23 from Gerrit Notification Bot gerritad...@wikimedia.org ---
Change 107014 abandoned by MZMcBride:
Scale back deployment of UniversalLanguageSelector (ULS)

Reason:
While I continue to believe that disabling ULS until it has acceptable
performance is the appropriate solution, it seems fairly clear that this
proposed change is not going to be merged and deployed.

https://gerrit.wikimedia.org/r/107014

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #14 from Niklas Laxström niklas.laxst...@gmail.com ---
(In reply to comment #11)
 The need to quantify the impact has not gone away. My contention is that the
 when in doubt, load font strategy taken by UniversalLanguageSelector is the
 wrong strategy to take, and that its impact on user experience is severe.
 
 I therefore ask for the team's permission and support to disable font loading
 temporarily, so we can collect enough data to estimate the impact of
 UniversalLanguageSelector on site performance. This would provide us with the
 data we need to determine whether the extension's architecture needs to be
 revisited.

It seems certain that doing this will lead to some predictable results:
* People who hate it will rebel to prevent turning web fonts back on
* People who most need web fonts will have their user experience severely
impacted during the test
* Because the acceptable impact has not been defined, the estimated impact is
judged to be severe enough to justify rollback
* If the regression is not fixed first, we will be comparing no web fonts to
too much web fonts.

You might be able to prevent web font functionality by short-circuiting apply
and load methods in lib/jquery.webfonts.js. This is however untested and will
leave the font selection UI visible, but non-functional.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

Nemo federicol...@tiscali.it changed:

   What|Removed |Added

   Keywords|shell   |
 Whiteboard||shellpolicy

--- Comment #15 from Nemo federicol...@tiscali.it ---
I don't currently see any realistic consensus/analysis/rationale/rational
discourse/reasoning/justification/whatever for this yet, only anecdotal
numbers; compare what requested in comment 2 and comment 10. Additionally, not
actionable due to missing scope definition (for instance, says phase0 wikis but
that's obviously not going to work).

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #16 from Ori Livneh o...@wikimedia.org ---
(In reply to comment #14)
 * If the regression is not fixed first, we will be comparing no web fonts to
too much web fonts.

Yes, that is true. But the frequency of regressions and their explosive cost
does reflect on the architecture.

 * Because the acceptable impact has not been defined

So define it. There is desperate need for the team to show some leadership and
articulate a coherent and studied response to this issue instead of running
away. Some back-of-the-envelope calculations about latency impact, bandwidth
costs, and developer time would go a long way.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #17 from Kunal Mehta (Legoktm) legoktm.wikipe...@gmail.com ---
(In reply to comment #14)
 It seems certain that doing this will lead to some predictable results:
 * People who hate it will rebel to prevent turning web fonts back on

People hate it because it's slow. If the performance issues were resolved, I
doubt people would care that much.

 * People who most need web fonts will have their user experience severely
 impacted during the test

In comment 4, I gave two options on how to safely disable ULS. I would advocate
for option #2 here, because it addresses the performance issues for the
majority of users, and those who need web fonts can enable them and take the
performance hit.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

Faidon Liambotis fai...@wikimedia.org changed:

   What|Removed |Added

 CC||fai...@wikimedia.org

--- Comment #18 from Faidon Liambotis fai...@wikimedia.org ---
Can we have some numbers showing the performance  bandwidth effect that ULS
has, both from the client-side performance perspective, as well as from the
backend performance (mostly bandwidth, I assume)? Similarly, can we get some
hard numbers on the benefit that ULS has (presumably, % of users)?

Quantifying this would personally help me understand the feature better and
have a more informed opinion. I know that e.g. the extra bandwidth can be
detrimental on users' usage in some countries, the extra page latency (load
performance) has been directly correlated to user retention by multiple studies
and the extra CPU  bandwidth can be directly mapped to an increase in
operational costs (very rough calculations of the bandwidth cost of ULS for the
interlanguage links as deployed between July-September was 40-50k USD).

On the flip side, I'm sure there are arguments about e.g. user/editor retention
in favor of ULS. I don't know much about them, but I'd certainly like to hear
more as I currently have a skewed perception of the issue; pointers welcome.

In the end, we have to make a comparison of what we gain and what we lose in
each case, evaluate the tradeoff and possibly compromise.

It is my opinion that this case has to be made by the people wishing to
*enable* this feature, not by the ones arguing to disable it. We can't make
this the single performance engineer's problem (or, similarly, ops' problem)
and ask them to make the comparative analysis for every single feature that is
being developed  deployed in production. 

Since this has been clearly controversial and has produced issues in the past,
and until we do have such a preliminary analysis, it is also my opinion that we
need to temporarily disable ULS in production or at least limit its deployment
considerably (e.g. only small non-Latin wikis and/or beta features).

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-12 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

MZMcBride b...@mzmcbride.com changed:

   What|Removed |Added

 Depends on||42942

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-11 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

Ori Livneh o...@wikimedia.org changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 CC||o...@wikimedia.org
 Resolution|WONTFIX |---

--- Comment #11 from Ori Livneh o...@wikimedia.org ---
(In reply to comment #10)
 (In reply to comment #8)
 
  I suppose my comment was ambiguous. Do you think UniversalLanguageSelector
  (ULS) is currently in good enough shape, with acceptable performance for
  Wikimedia wikis?
 
 I do think it's fine to keep ULS deployed and to iteratively improve it, so
 closing as WONTFIX (if new information surfaces that justifies at least a
 discussion about that option, feel free to reopen).

Reopening, in light of bug 59958.

UniversalLanguageSelector's strategy is to search the document for occurrences
of nonlatin text and to load an appropriate font for each alphabet it
encounters, minus some manual exemptions. The criterion employed by
UniversalLanguageSelector is: if there exists a class of users for which the
text may not render correctly, load the font.

Other approaches exist. Instead of loading fonts automatically, you could
provide a prominent user interface element that the user may click on to
indicate that some text is not rendering correctly. You would then load the
font and set a cookie to make the font-loading behavior stick. This approach
would eliminate false positives -- that is, cases in which ULS decides to load
fonts even though they are not required or desired. It would also mean that
users that have configured a specific local font for their language would not
need to update their preferences to indicate that their choice should not be
overridden.

Another approach would be to use information available at run-time to determine
the probability that a user requires additional fonts to render text on the
page. This would entail checking whether the user-agent string matches against
a list of platforms which are known to require support. It could also entail
using JavaScript to programmatically inspect the appearance of text on the page
to determine which alphabets may require additional support before they can be
displayed correctly.

The strategy of these alternative approaches is to do nothing by default before
establishing some probable cause. This minimizes the impact on page performance
and appearance by restricting the loading of fonts to the subset of users that
plausibly require them.

The ULS team chose the first, blanket approach, because it is easiest to
implement. It is also easy to see that it avoids false negatives. If you load
the fonts for everybody, you can be sure you didn't miss anyone.

The choice was predicated on the assumption that the impact of loading fonts
where they are not needed would be minimal. There appears to have been no
serious attempt to validate this assumption by quantifying the impact on
usability and performance. We know now that the impact was not assessed
correctly, because (to cite one example) it saturated bandwidth on the
production cluster, requiring repeated manual interventions.

The need to quantify the impact has not gone away. My contention is that the
when in doubt, load font strategy taken by UniversalLanguageSelector is the
wrong strategy to take, and that its impact on user experience is severe.

I therefore ask for the team's permission and support to disable font loading
temporarily, so we can collect enough data to estimate the impact of
UniversalLanguageSelector on site performance. This would provide us with the
data we need to determine whether the extension's architecture needs to be
revisited.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-11 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

MZMcBride b...@mzmcbride.com changed:

   What|Removed |Added

   Keywords|community-consensus-needed  |shell
 CC||s...@reedyboy.net

--- Comment #12 from MZMcBride b...@mzmcbride.com ---
(In reply to comment #11)
 Reopening, in light of bug 59958.

From bug 59958, I looked at
http://www.webpagetest.org/result/140111_D1_TEV/1/details/. For bytes
downloaded, 588.2 KB of the 953.1 KB downloaded was for fonts. I don't see how
this can possibly be considered acceptable.

I strongly recommend scaling back the deployment of UniversalLanguageSelector
(ULS) immediately. It should only be enabled on the phase 0 wikis until it's
re-engineered.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-11 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

Gerrit Notification Bot gerritad...@wikimedia.org changed:

   What|Removed |Added

 Status|REOPENED|PATCH_TO_REVIEW

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-11 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #13 from Gerrit Notification Bot gerritad...@wikimedia.org ---
Change 107014 had a related patch set uploaded by MZMcBride:
Scale back deployment of UniversalLanguageSelector (ULS)

https://gerrit.wikimedia.org/r/107014

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-10 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

Erik Moeller e...@wikimedia.org changed:

   What|Removed |Added

 Status|REOPENED|RESOLVED
 Resolution|--- |WONTFIX

--- Comment #10 from Erik Moeller e...@wikimedia.org ---
(In reply to comment #8)

 I suppose my comment was ambiguous. Do you think UniversalLanguageSelector
 (ULS) is currently in good enough shape, with acceptable performance for
 Wikimedia wikis?

I do think it's fine to keep ULS deployed and to iteratively improve it, so
closing as WONTFIX (if new information surfaces that justifies at least a
discussion about that option, feel free to reopen).

I have requested that we continue to assess ways to reduce the footprint of the
autonym font - it's small but it's loaded in some situations where it may not
need to be (e.g. only Latin characters).

Longer term, we should get more data to further optimize when we deliver fonts
for content, as they're a huge payload with sometimes dubious benefit, but
again, I don't think those issues are severe of frequent enough to warrant
scaling back deployment. There may be more severe issues experienced in
communities of specific languages where fonts are delivered by default, but
those should be tracked separately.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-09 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

MZMcBride b...@mzmcbride.com changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 Resolution|WONTFIX |---

--- Comment #6 from MZMcBride b...@mzmcbride.com ---
(In reply to comment #1)
 As far as I know, none of the remaining performance issues are severe enough
 that scaling back deployment is warranted at this time. However, I have
 requested that we investigate and address remaining issues with high priority.

Re-opening this bug for now in light of further ULS and overall site
performance analysis. I'll leave it to Erik to re-close as appropriate, but I
think he'll agree that this bug should remain open for now.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-09 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #7 from Erik Moeller e...@wikimedia.org ---
Which further ULS analysis are you referring to?

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-09 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #8 from MZMcBride b...@mzmcbride.com ---
(In reply to comment #7)
 Which further ULS analysis are you referring to?

There have been repeated discussions about the performance of ULS.

I suppose my comment was ambiguous. Do you think UniversalLanguageSelector
(ULS) is currently in good enough shape, with acceptable performance for
Wikimedia wikis?

If so, please feel free to re-close this bug as a wontfix and I'll apologize
for a simple misunderstanding on my part. Otherwise, we should keep this bug
report open and consider temporarily disabling the extension until it has
acceptable performance. Comment 4 suggests this is impossible, but I'm willing
to bet otherwise.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2014-01-09 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #9 from MZMcBride b...@mzmcbride.com ---
https://meta.wikimedia.org/wiki/Wikimedia_Forum/Archives/2013-11#Autonym_font_in_the_multilingual_portals

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2013-11-11 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

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

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |WONTFIX

--- Comment #5 from Andre Klapper aklap...@wikimedia.org ---
WONTFIX as per comment 1.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2013-11-10 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

MZMcBride b...@mzmcbride.com changed:

   What|Removed |Added

   Keywords||shellpolicy

--- Comment #3 from MZMcBride b...@mzmcbride.com ---
There's now bug 56856 as well.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2013-11-10 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #4 from Kunal Mehta (Legoktm) legoktm.wikipe...@gmail.com ---
Fully undeploying ULS isn't an option because other extensions like Translate
depend on it (via ResourceLoader dependencies).

There's an option called $wgULSEnable (and $wgULSEnableAnon for anons), except
regardless of that setting, 'ext.uls.init' is still loaded on every page view,
which in turn loads jquery.uls and jquery.uls.data, which are pretty large.

Some options:

1) Move the checks on $wgULSEnable earlier in the code (specifically
UniversalLanguageSelectorHooks::addModules) so they actually stop most of the
JS from loading, and set that value to false on WMF wikis until performance
issues are fixed. This would have the downside of disabling it for everyone.

2) Merge gerrit change #92562 (option to disable ULS), set the default to false
on WMF wikis, which would allow users to enable it if they wanted to, and
disables it for everyone else until the performance issues are fixed.

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2013-11-02 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

MZMcBride b...@mzmcbride.com changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 Ever confirmed|0   |1

--- Comment #2 from MZMcBride b...@mzmcbride.com ---
Given bug 56509 comment 0, I'm comfortable marking this bug as confirmed. From
that bug report:

---
action=ulslocalization is the most common API request on the cluster at the
moment, amounting to ~41% of all requests.
---

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2013-11-01 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

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

   What|Removed |Added

   Priority|Unprioritized   |Low
   Severity|normal  |enhancement

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[Bug 56433] Temporarily scale back deployment of UniversalLanguageSelector (ULS) to Wikimedia wikis

2013-10-31 Thread bugzilla-daemon
https://bugzilla.wikimedia.org/show_bug.cgi?id=56433

--- Comment #1 from Erik Moeller e...@wikimedia.org ---
As far as I know, none of the remaining performance issues are severe enough
that scaling back deployment is warranted at this time. However, I have
requested that we investigate and address remaining issues with high priority.

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