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# HHVM at Etsy Presentation Notes
[Slides available here](https://speakerdeck.com/jazzdan/hhvm-at-etsy)
## Introduction
* [How Etsy Deploys 50 times a day](http://www.infoq.com/news/2014/03/etsy-deploy-50-times-a-day)
## What is hhvm?
* [How Three Engineers Rebuilt the Foundation of Facebook](http://www.wired.com/2013/06/facebook-hhvm-saga/all/)
* [Enterprise Grade at Consumer Speed: The Road to HHVM](http://tech.blog.box.com/2014/11/box-on-hhvm/)
* [How we Made Editing Wikipedia Twice as Fast](http://blog.wikimedia.org/2014/12/29/how-we-made-editing-wikipedia-twice-as-fast/)
* [Include Hack - HHVM - PHP++](https://www.youtube.com/watch?v=JrPGa1JDX38)
## Why?
* ["API First" Development](https://speakerdeck.com/jazzdan/api-first-development)
* [Concurrent PHP in the Etsy API](https://vimeo.com/channels/phpday/104905610)
* [What Hardware Powers Etsy.com?](https://codeascraft.com/2012/08/31/what-hardware-powers-etsy-com/)
## How?
* [Patch to add missing memcached constants](https://github.com/facebook/hhvm/pull/3833)
* [geoip Extension](https://github.com/vipsoft/hhvm-ext-geoip)
* [msgpack Extension](https://github.com/reeze/msgpack-hhvm)
## The test
* [Data-driven Done Right](https://vimeo.com/115099249)
* [Memcached::drecrement patch](https://github.com/facebook/hhvm/pull/4307)
* [Memcached::setOption patch](https://github.com/facebook/hhvm/pull/4364)
* [Patch for thread-local setlocale()](https://github.com/facebook/hhvm/pull/4736)
## What else can HHVM do?
* [Flame Graphs](https://github.com/wikimedia/arc-lamp)
* [HHVM Debugger](http://www.mediawiki.org/wiki/Manual:How_to_debug#HHVM)
* [pfff](https://github.com/facebook/pfff)
## The Future
* [Rasmus' sunshinephp 2015 Presentation](http://talks.php.net/sunshinephp15#/perf2014)