1. Pinkoi Platform
Mike / Co-Founder

5. Pinkoi
Launched on 2011.01
Operated on 2011.07
7k+ designers
39k+ listings
44k+ fans
4M+ monthly page views

6. Programming Language
for development?

7. PHP?

8. PHP?
quick dev, but ugly
and run slow

9. PHP? Java?
quick dev, but ugly run fast, but longer
and run slow and painful dev

10. PHP? Java?
quick dev, but ugly run fast, but longer
and run slow and painful dev
Ruby?
unfamiliar with..

11. PHP? Java?
quick dev, but ugly run fast, but longer
and run slow and painful dev
Ruby? C++?
unfamiliar with..

12. PHP? Java?
quick dev, but ugly run fast, but longer
and run slow and painful dev
Ruby? C++?
unfamiliar with.. just kidding

13. Python
readable
productive
fast enough
Python data structures map well to
JavaScript
http://python.org/

14. Framework

15. Django
vibrant community
googleable
we only use 10% of Django
https://www.djangoproject.com/

16. Template

17. Mako
fast (compiled to Python bytecode)
Python-like syntax
easy to use, full-featured
http://www.makotemplates.org/

18. Mako (cont.)
Preprocess JavaScript / CSS files
mrbuild

19. Soure Code Management
http://git-scm.com/
https://github.com/

20. SCM (cont.)

21. Bottleneck
heavy MySQL queries

22. Memcached
5~10s
< 0.1s
http://memcached.org/

23. Bottleneck
memory space (for cache)

24. CouchDB
NoSQL
schema-free
document-oriented database
O(1)
http://couchdb.apache.org/

25. CouchDB (cont.)
we use it for high performance (disk) caching

26. Bottleneck
network latency tasks
1s
2s
3s
Zzz...

27. RabbitMQ
messaging system
robust
easy to use
http://www.rabbitmq.com/

28. RabbitMQ (cont.)
just pass all time-consuming
tasks to background workers

29. Web Server
C10k problem
http://httpd.apache.org/
https://code.google.com/p/modwsgi/

30. Web Server (cont.)
http://nginx.org/
http://gunicorn.org/

31. Web Services We Used

32. Philosophy
user first
technology
done is better than perfect

33. Trouble: monthly wire
wire by hand
takes 2 weeks!
+
many many designers
dang... what a boring work
http://www.provopostal.com/wp-content/uploads/2011/04/atm-machine11.jpg

34. Trouble: monthly wire (cont.)
automatically wire system
takes 1 min!
+
many many designers
happy life
http://static.ddmcdn.com/gif/bank-sam.jpg

35. Trouble: issue invoice
+

36. Trouble: issue invoice (cont.)
play video

37. front-end engineer
back-end engineer
mobile / ios engineer
mike.lee@pinkoi.com
http://hearthewritings.com/wp-content/themes/theme1410/images/we-need-you.jpg

38. fb/email: mike.lee@pinkoi.com