[Wikitech-ambassadors] Roadmap and deployment highlights - week of Sept 22nd

[Greg Grossmeier]

Hello and welcome to the latest edition of the WMF Engineering Roadmap
and Deployment update.

The full log of planned deployments next week can be found at:


A quick list of notable items...

== Tuesday ==

* MediaWiki deploy
** group1 to 1.24wmf22: All non-Wikipedia sites (Wiktionary, Wikisource,
   Wikinews, Wikibooks, Wikiquote, Wikiversity, and a few other sites)
** 


== Thursday ==

* MediaWiki deploy
** group2 to 1.24wmf22 (all Wikipedias)
** group0 to 1.24wmf23 (test/test2/testwikidata/mediawiki)


Thanks and as always, questions and comments welcome,

Greg

-- 
| Greg GrossmeierGPG: B2FA 27B1 F7EB D327 6B8E |
| identi.ca: @gregA18D 1138 8E47 FAC8 1C7D |


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[Wikitech-ambassadors] Fwd: Phabricator update

[Quim Gil]

More Phabricator updates. The technical people in your communities might be
interested in joining this session on Wednesday:

The Very Basics of Phabricator
https://plus.google.com/events/c8qe7l0vtf4v6u07k3o059du2lg

More below.

-- Forwarded message --
From: *Quim Gil* 
Date: Friday, September 19, 2014
Subject: Phabricator update
To: Wikimedia developers 


Important Phabricator news:

A single migration timeline with all the important details is available.
https://www.mediawiki.org/wiki/Phabricator#Migration_timeline


A video-streamed session "The Very Basics of Phabricator" is scheduled for
Wednesday, September 24.
https://plus.google.com/events/c8qe7l0vtf4v6u07k3o059du2lg


Registration to phabricator.wikimedia.org is opening for those that really
need access to work on any of the existing projects.
https://www.mediawiki.org/wiki/Phabricator#Access_to_phabricator.wikimedia.org


-- 
Quim Gil
Engineering Community Manager @ Wikimedia Foundation
http://www.mediawiki.org/wiki/User:Qgil



-- 
Quim Gil
Engineering Community Manager @ Wikimedia Foundation
http://www.mediawiki.org/wiki/User:Qgil
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Re: [Wikitech-ambassadors] Invitation to beta-test HHVM

[This, that and the other]

I should point out that any sysops, importers, stewards etc. who use
Special:Import should not enable the HHVM beta feature, as importing does not
currently work on HHVM [1].

Only once that issue is fixed, and the API is running via HHVM, will I be able
to get excited...

TTO

[1] https://bugzilla.wikimedia.org/show_bug.cgi?id=66023

--
"Ori Livneh"  wrote...

(apologies for cross-posting)

I'm happy to announce that HHVM is available on all Wikimedia wikis for
intrepid beta testers. HHVM, you'll recall, is an alternative runtime for
PHP that provides substantial performance improvements over the standard
PHP interpreter. Simply put: HHVM is software that runs on Wikimedia's
servers to make your reading and editing experience faster.

You can read more about HHVM here: https://www.mediawiki.org/wiki/HHVM

* How do I enable HHVM?

You can enable HHVM by opting in to the beta feature. This short animated
gif will show you how: .

Enabling the beta feature will set a special cookie in your browser. Our
servers are configured to route requests bearing this cookie to a pool of
servers that are running HHVM.

* How do I know that it's working?

Opting-in to the beta feature does not change the user interface in any
way. If you like, you can copy the following code snippet to the global.js
subpage of your user page on MetaWiki:

https://meta.wikimedia.org/wiki/User:Ori.livneh/global.js

If you copy this script to your global.js, the personal bar will be
annotated with the name of the PHP runtime used to generate the page and
the backend response time. It looks like this:

http://people.wikimedia.org/~ori/hhvm_script.png

Edits made by users with HHVM enabled will be tagged with 'HHVM'. The tag
is there as a precaution, to help us clean up if we discover that HHVM is
mangling edits somehow. We don't expect this to happen.

* What sort of performance changes should I expect?

We expect HHVM to have a substantial impact on the time it takes to load,
preview, and save pages.

At the moment, API requests are not being handled by HHVM. Because
VisualEditor uses the API to save articles, opting in to the HHVM beta
feature will not impact the performance of VisualEditor. We hope to have
HHVM handling API requests next week.

* What sort of issues might I encounter?

Most of the bugs that we have encountered so far resulted from minute
differences in how PHP5 and HHVM handle various edge-cases. These bugs
typically cause a MediaWiki error page to be shown.

If you encounter an error, please report it on Bugzilla and tag with it the
'HHVM' keyword.


We're not done yet, but this is an important milestone. The roll-out of
HHVM as a beta feature caps many months of hard work from many developers,
both salaried and volunteer, from the Wikimedia Foundation, Wikimedia
Deutschland, and the broader Wikimedia movement.  I want to take this
opportunity to express my appreciation to the following individuals, listed
in alphabetical order:

Aaron Schulz, Alexandros Kosiaris, Brad Jorsch, Brandon Black, Brett
Simmers, Bryan Davis, Chad Horohoe, Chris Steipp, Erik Bernhardson, Erik
Möller, Faidon Liambotis, Filippo Giunchedi, Giuseppe Lavagetto, Greg
Grossmeier, Jack McBarn, Katie Filbert, Kunal Mehta, Mark Bergsma, Max
Semenik, Niklas Laxström, Rob Lanphier, and Tim Starling.

More good things to come! :)
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