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EventMachine

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Stoyan Zhekov
Stoyan Zhekov

EventMachine is a library for Ruby, C++, and Java programs. It provides event-driven I/O using the Reactor pattern.

Technology
1 of 42
EventMachine Let’s
• : • • : Software Engineer •
EventMachine
EventMachine?
Ruby Programming
Low Level
!
gem install eventmachine
show time !
C10K http://www.kegel.com/c10k.html
10000 (10K)
I/O Asynchronous I/O
/
GIL
Scale with processes
“In computing, a process is an instance of a computer program, consisting of one or more threads”
10000 (10K)
lightweight concurrency
Reactor http://en.wikipedia.org/wiki/Reactor_pattern
• Apache MINA (Java) • TwistedMatrix (Python) - “twisted” • node.js (JavaScript) •
check list • • Reactor • ruby
EventMachine
EM Reactor
Basics
Timers
Concurrency
Networking
EM Projects
Ilya Grigorik http://www.igvita.com/ •em-http-request • em-proxy • em-websocket
SHOW TIME !
Q &A
EventMachine

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EventMachine

Editor's Notes

  1. So one more time - install the gem
  2. Is this “the event machine”?
  3. Take some sleep or better...
  4. install eventmachine gem !
  5. not enough hamsters!