An introduction to CouchDB for the first Jeddah Geeks meetup on 13/Nov/2009

1. Introducing CouchDB Tuesday November 11, 2009 Hatem Ben Yacoub

3. IT Consultant

4. Senior Systems Architect

5. PHP Expert

6. e-Government Specialist

7. Energy Engineer

8. Open Source Evangelist

9. http://phpmagazine.net

10. [email_address] / @hatem / http://hatem.tel

11. How to build faster, bigger, reliable websites...

12. Scalability

13. Scalability ~== Database optimization

14. RDBMS … old fashion

15. … new fashion ??

16. NoSQL “ Not Only SQL”

17. Scaling writes & Scaling reads

18. NoSQL Non-Distributed databases (Redis, MongoDB, CouchDB , Neo4j, Tokyo cabinet ...) Distributed Databases (Cassandra, Hbase, Riak, Scalaris...)

21. A replacement for relational databases.

22. An object-oriented database.

24. RESTful API

25. Schema-less document store (document in JSON format)

26. Multi-Version-Concurrency-Control model

27. User-defined query structured as map/reduce

28. Incremental Index Update mechanism

29. Multi-Master Replication model

30. Written in Erlang

31. Let's give it a try Ubuntu 9.10 already uses couchdb (all POSIX systems supported) Install the database server : $sudo apt-get install couchdb

32. Test installation

33. CouchDB port 5984

34. CouchDB Management interface (Futon)

35. Create database test

36. Firebug

37. Creating a document with jQuery // server respond with JSON also : // {"ok":true, "id":"323409622afb6477e7108684785256b8", "rev":"1-3182c819b0f98858c54ad920d6c44498"} // including the document id and revision, and a confirmation variable ok=true

38. How to request this document ? // response is also in JSON : // {"_id":"323409622afb6477e7108684785256b8", "_rev":"1-3182c819b0f98858c54ad920d6c44498", "Name":"Makkah", "Zip":21955}

39. What about updating ? // notice in the response we have revision changed to 2 // {"ok":true, "id":"323409622afb6477e7108684785256b8", "rev":"2-03779debc847f783493a69e61bd98560"}

40. What about creating a view ? // Server respond with {"ok":true, "id":"_design/render", "rev":"1-f95a9b997f1081043fda1a34be76c47e" } http://127.0.0.1:5984/test/_design/render/_show/code/480f17c996bcbd174ac64b976de47f79

41. Easy ?!

43. Easy to integrate with web applications : JavaScript, JSON

44. Scalability for large web applications : Incremental Replication, bi-directional conflict detection and management

45. Query-able and index-able

46. Offline by default

47. Who's using CouchDB ?

48. Relax

50. Ubuntu One Ubuntu : 10 million desktops worldwide

52. Lounge proxy-based partitioning/clustering framework

53. Mozilla Raindrop New messaging platform built on top of CouchDB

54. Thank you

56. http://planet.couchdb.org

57. http://horicky.blogspot.com/2008/10/couchdb-implementation.html

58. http://jan.prima.de

59. http://damienkatz.net/

60. http://jchrisa.net

61. Questions ?