Django At The AJC
- 1. Django at the AJC Evil for Awesome™
- 2. Who am I? Zellyn Hunter Sr. Web Developer “zellyn” on almost every internet site (I forgot my aol password, so I’m zellynhunter there)
- 3. Make you totally badass!
- 4. Make you totally badass! …like a fluffy pink pony…
- 5. Make you totally badass!
- 6. Make you totally badass: - Add our architecture to your repertoire so you can serve one billion pageviews a year!†
- 7. Make you totally badass: - Add our architecture to your repertoire so you can serve one billion pageviews a year!† - See what we’ve done with Django, so you know what’s possible
- 8. Make you totally badass: - Add our architecture to your repertoire so you can serve one billion pageviews a year!† - See what we’ve done with Django, so you know what’s possible - Learn from our struggles and know the tricky areas ahead of time
- 9. Who are we?
- 10. Who are we? The “Online Development Group”
- 11. Who are we? The “Online Development Group” - 1 manager, 4 developers - shared: 1 DBA, 1 sysadmin, 1 tester - occasional: 1 VM ninja
- 12. What do we do?
- 13. What do we do? Everything except:
- 14. What do we do? Everything except: main CMS - big, corporate, Java
- 15. What do we do? Everything except: main CMS - big, corporate, Java “classifieds” - ruby on rails (we’ll discuss this later)
- 17. SearchWeather Buzz (interesting news) Slider Twitter Videos Most viewed stories/galleries Feedback Stocks
- 18. What do we do? Interactive applications.
- 19. What do we do? Interactive applications. Last-minute,
- 20. What do we do? Interactive applications. Last-minute, breaking-news,
- 21. What do we do? Interactive applications. Last-minute, breaking-news, quick-turnaround,
- 22. What do we do? Interactive applications. Last-minute, breaking-news, quick-turnaround, crazy deadlines,
- 23. What do we do? Interactive applications. Last-minute, breaking-news, quick-turnaround, crazy deadlines, NO!
- 24. What do we do? Interactive applications. Last-minute, breaking-news, quick-turnaround, crazy deadlines, NO! Reusable ^
- 25. What do we do? Interactive applications: Periodic use: - Election Results - Peachtree Road Race Results - Predict-the-outcome (Oscars) - Executive Pay - Victims database
- 26. What do we do? Interactive applications: Data-only Updates: - Home sales report - Georgia Baby Names
- 27. What do we do? Interactive applications: Tools for the newsroom: - Maps - Slider - Contests - Buzz - Alerts - Promotions in sidebar - Quizzes - Twitter - Hot-or-not - “CMS Lite”
- 28. What do we do? Interactive applications: Constant use: - Galleries - Vent - Recipes
- 29. What do we do? Interactive applications: Third-party content: - Destinations (Frommers) - Topic Pages
- 30. What do we do? Interactive applications: Lots of Plumbing: - Caching - Search - Broken links log - Stocks - User feedback - Weather - Auto-linking - User registration - Support tickets - Work queues - Feeds (transforming, caching)
- 31. What do we do? Interactive applications: Blogs: - Wordpress MU
- 32. What do we do? Interactive applications: Blogs: - Wordpress MU (sorry)
- 33. What do we do? All told, we serve ¼ to ⅓ of site traffic.
- 34. What people outside our group think we do:
- 35. What people outside our group think we do: Galleries
- 36. What people outside our group think we do: Galleries (60% of our group’s traffic)
- 37. What the Rails folks do “Classifieds Development Group” - AJC Exchange - Homefinder (neighborhood profiles, school guide, periodically updated home sales data) - Vacation rentals - User Registration backend (Merb)
- 38. Architecture - Three python servers: Apache/WSGI/Django - Two static media servers - Two MySQL servers (one read-only, replicated) - Two NFS cluster servers - Two memcached servers - Two rails servers - Three PHP servers - Akamai
- 39. We Brad Fitzpatrick We’re currently running: - Memcached - Perlbal - Gearman - MogileFS Not yet: - DJabberd
- 40. Tools - IRC - Basecamp - Buildbot - Capistrano - Subversion (git? hg?)
- 41. Troubles Authentication: Builtin django.contrib.auth has fixed ideas: - username-based - sharing email addresses is possible The Ruby guys beat us to the punch: - external system of record for user registration
- 42. Wins • Built-in admin views for everything • RSS all over the place • Caching, caching, caching
- 43. Questions?
- 44. Questions?