Phpyahoo
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Yahoo chose PHP as its primary web development language in 2002 due to its high performance, large community support through open source contributions, and ease of learning. PHP powers many of Yahoo's sites and serves billions of pageviews daily. Yahoo developed its own architecture and methodology for PHP development that focuses on security, performance, and globalization to support its large international user base.
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Session One is directed at senior leaders and others interested in leading change and will focus on “why” the Contracting organization must change / evolve from an unnecessary cost to a competitive differentiator.
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Who are the key stakeholders (internal and external) that will be impacted by and / or facilitate the change?
What are the Stakeholder Decision Drivers?
Why it is important to move from competing to collaborating?
Why do adversarial relationships with trading partners destroy value?
What is the business benefit of making the change happen?
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The Why - Contracting Must Change and What will Happen if We Don't?
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- 1. PHP at Yahoo! http://public.yahoo.com/~radwin/ Michael J. Radwin October 20, 2005
- 3. The Internet’s most trafficked site
- 4. 25 countries, 13 languages
- 8. From Proprietary to Open Source 94 95 96 97 98 99 00 01 02 03 04 05 Web Server Apache “ Filo Server” Web Lang yScript DB Flat Files
- 9. Choosing a Language How and Why We Selected PHP
- 12. Top 10 Language Choices XSLT yScript mod_include
- 13. Performance: Requests mod_perl yScript
- 14. Performance: Memory mod_perl yScript
- 16. PHP at Yahoo! Today
- 18. Server Architecture User Profile Server web server web server Web Server Scripts Load Balancer Ad Server Web Services Apache
Editor's Notes
- Abstract: In 2002, Yahoo selected PHP for Web site development and began to phase out its own proprietary server-side scripting language. Three years later, Michael Radwin reflects on how the switch to PHP offered both technical challenges and productivity increases. The first part of the presentation offers a look inside Yahoo's decision-making process to adopt an open-source scripting language. Radwin addresses why Yahoo selected PHP over other languages, focusing on the performance and stability required to serve billions of page views a day. In the second part, Radwin discusses Yahoo's PHP development methodology, which has enabled its engineers to rapidly implement features while still creating software that is maintainable over long periods of time. Biography: Michael J. Radwin is an engineering manager for Yahoo's Infrastructure Software group. His team develops and supports Web platform technologies such as Apache, PHP, and MySQL, and more recently SOAP/REST toolkits. Radwin has been hacking on Apache since 1998 in high-performance environments and his team has been instrumental in helping Yahoo migrate from proprietary to open source software.
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- Web pages go regular Apache htdocs dir http://login.yahoo.com/config/login?.intl=dk /usr/local/share/htdocs/dk/login.php Business logic goes in PEAR directory /usr/local/share/pear/HTML/Form.php /usr/local/share/pear/Yahoo/Sports/Teams.php
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