1. Perlbal Tutorial Takatsugu Shigeta YAPC::Asia Tokyo 2009

2. 重田崇嗣 Takatsugu Shigeta

3. http://profile.typepad.com/comewalk TypePad Profiles

4. Perlbal

5. http://www.danga.com/perlbal/

6. "Perlbal is a Perl-based reverse proxy load balancer and web server." Perlbal From Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Perlbal

7. "Perlbal is a single-threaded event-based server supporting HTTP load balancing, web serving, and a mix of the two (see below)." Perlbal http://www.danga.com/perlbal/

8. install

9. $ cpan Perlbal

10. WARNING: AIO mode disabled or not available. Perlbal will run slowly under load if you're doing any disk operations. (e.g. web_server mode). Install IO::AIO for better performance.

11. $ cpan IO::AIO

12. http://code.sixapart.com/trac/perlbal/browser/trunk/META.yml?rev=768 requires: BSD::Resource: 0 Danga::Socket: 1.44 File::Find: 0 HTTP::Date: 0 HTTP::Response: 0 Sys::Syscall: 0 Test::More: 0 Time::HiRes: 0

13. http://code.sixapart.com/svn/perlbal/ Subversion Repository

15. start Perlbal

16. # ./perlbal --help Usage: perlbal [OPTS] --help This usage info --version Print perlbal release version --config=[file] Specify Perlbal config file (default: /etc/perlbal/perlbal.conf ) --daemon Daemonize

17. $ perlbal > --config=/path/to/foo.conf > --daemon

18. $ perlbal > -c /path/to/foo.conf > -d

19. roles

20. reverse_proxy web_server management selector upload_tracker

21. reverse proxy

25. web server

27. management

29. seealso http://code.sixapart.com/trac/perlbal/browser/trunk/doc /config-guide.txt

30. selector

33. upload_tracker

34. I'm sorry. I have never used it. I omitted upload_tracker. But...

35. http://code.sixapart.com/trac/perlbal/browser/trunk/lib/Perlbal/Service.pm?rev=806#L1431 # create UDP upload tracker listener if ($self->{role} eq "upload_tracker") { $listener = Perlbal::UploadListener->new($self->{listen}, $self); }

36. parameters

45. architecture

47. class diagram

48. Created by GraphViz

49. how to work

51. plugins

53. hooks

54. seealso http://code.sixapart.com/trac/perlbal/browser/trunk/doc/hacking/hooks.txt

55. writing plugins

59. This slide introduced Perlbal to you. If you are interested in Perlbal, please try again later!

60. BTW, JFYI ,

61. AnyEvent

63. Try Danga::Socket::AnyEvent, if you are interested in AnyEvent! http://search.cpan.org/dist/Danga-Socket-AnyEvent/