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March 21, 2012 16:55
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Drupalcon Denver 2012 - Larry Garfield Fast Friendly Architecture
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| Drupalcon Denver 2012 - Larry Garfield Fast Friendly Architecture | |
| Consider example of classic car | |
| * axles had issues | |
| * turning had dependancies | |
| Right vs. wrong | |
| * Finding balance | |
| * Architectural choices are not good or bad | |
| * Architectural choices actually appropriate or not appropriate | |
| Must determine priorities | |
| * Fast vs. good vs. cheap | |
| * Not all three are possible | |
| * project management triad | |
| * must determine priorities tradeoffs and sacrifices must be made | |
| Architecture must pass several axes | |
| * engineering | |
| * qa | |
| * human | |
| Axes of Good - Using an example Drupal engineering examples | |
| * Performance | |
| * drupal has large arrays - larger memory requirements | |
| * extensibility | |
| * Not really modifiable - cannot take out functionality | |
| Human axes example - command line | |
| * expensive overhead | |
| * understandability is difficult | |
| * expediency - how easy it is to get job done | |
| * learnability is low | |
| QA Axes | |
| * Testability - nuclear | |
| Why should we care? | |
| * client - project length issues | |
| * boss - overtime to fix bugs | |
| * you in six months | |
| drupal site examples | |
| * Church vs. major media network | |
| * Problems and priorities are different | |
| Example case - should i care about mobile? | |
| * use browser stats or what the world cares about | |
| * responsive design takes more work | |
| * review trends of mobile | |
| * overhead exists with responsive design | |
| * answer is not always yes. your answer lies on your existing needs | |
| * Refer to Use cases! | |
| Extensibility issues | |
| * preprocessor example | |
| * ability to adding hooks is great | |
| * drawback - hard to test | |
| Complimentary Design | |
| * testability and modifiability require abstraction | |
| * testable code depends or modularity | |
| * drupal modules example of extensibility | |
| * extensibility => modularity | |
| * modifiability => expediancy (easier to change later) | |
| * performance => scalability (most times) | |
| * use xhprof - for testing. GO USE xhprof! | |
| Find balance! | |
| ---------------- | |
| Questions asked | |
| ---------------- | |
| Why symfony why is it expedient? | |
| * drupal doesn't assume rest - built on assumptions of page | |
| * drupal needs to deliver just more than just an html tag | |
| * spent a lot of time modifying drupal to figure out how to do that | |
| * depends on managing http system | |
| Varnish | |
| * reverse proxy server | |
| * expect a lot of anonymous traffic - let varnish handle it | |
| * more performant than db cache | |
| * php slow or db slow ? | |
| How to manage changes that are produced ad hoc ? | |
| prepare for it. invest in being more extensible |
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