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blinkreaction.com #blinkreaction How New York’s MTA Uses Drupal Caching to Get Riders There on Time
blinkreaction.com #blinkreaction
How New York’s MTA Uses Drupal Caching to Get Riders There on Time
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Welcome
• who we are and what we do
• significance and context
• project overview
• project management
• architecture
• technology
• implementation
• resources
Building Solutions for…
Fortune 500, government & large not-for-profits
Enterprise Training for …
Fortune 500, government & large not-for-profits
Community Training & Support Flattening the Drupal Learning Cliff
blinkreaction.com/training
The Ocean Railway Stephen Fox, Harper Collins
“In the autumn of 1817, the Thompsons and their three associates placed a noBce in New York's newspapers. In order to furnish frequent and regular conveyances for GOODS and PASSENGERS, they announced, the subscribers have undertaken to establish a line of vessels between NEW YORK and LIVERPOOL, to sail from each place on a certain day in every month throughout the year. Thompson and his partners were promising a daring combinaBon of speed, comfort and predictability -‐ qualiBes previously unknown on the North AtlanBc.”
The Ocean Railway Stephen Fox, Harper Collins
“In the autumn of 1817, the Thompsons and their three associates placed a noBce in New York's newspapers. In order to furnish frequent and regular conveyances for GOODS and PASSENGERS, they announced, the subscribers have undertaken to establish a line of vessels between NEW YORK and LIVERPOOL, to sail from each place on a certain day in every month throughout the year. Thompson and his partners were promising a daring combinaBon of speed, comfort and predictability -‐ qualiBes previously unknown on the North AtlanBc.”
Early Solu*ons & Prototypes
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THE SUBWAY Requirement Analysis Specifications Information Architecture Wireframing
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1960’s
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1970’s
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1980’s
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Passengers entering the subway system: Average Weekday 2009: 5,086,833 2010: 5,156,913 2011: 5,284,295 Annual Total 2009: 1,579,866,600 2010: 1,604,198,017 2011: 1,640,434,672
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Solution
images: mta.org iconarchive.com drupal.org
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Dashboard & API Key
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Pilot Feeds
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Proactive Coordination
RASCI
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Project Planning
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Implementation at a glance
• Drupal 7 • Varnish • Heavy caching • Widely used Contributed modules • 5 custom modules • Permissions open, not moderated • Dynamic real-time feeds via GTFS binary file • Static feeds via separate GTFS spec file
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Edge Side Includes or ESI
image from soasta.com
… a small markup language for edge level dynamic web content assembly. The purpose of ESI is to tackle the problem of web infrastructure scaling.[1] It is an application of edge computing.
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Varnish version 3.03
image from soasta.com
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Line feeds portal architecture
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SOASTA Distributed Load Testing
image from soasta.com
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SOASTA Distributed Load Testing
image from soasta.com
5,000 users per second!
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The Demo ‘App’
Easy • standalone Drupal 7 Site • mobile web theme specifically for iPhone • admin menu, ctools, devel, features, job
scheduler, memcache, strong arm, shield Not that Easy No php parser for gtfs files - edited drslump library - built for php 5.3 using namespaces - tweeks to make it work on 5.2
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General Transit Feed Spec - Realtime
image from soasta.com
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mtadeveloperresources
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Q&A
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