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みんなのNode.js

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node.jsとは

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みんなのNode.js

  1. 1. node.js node.js
  2. 2. •• • Ruby on Rails node.js •nko2• •github ogom •Twitter @ogom_
  3. 3. • node.js •node.js • JavaScript• node.js hello node world!
  4. 4. Agenda•node.js•node.js•
  5. 5. node.js
  6. 6. node.js•Eventide I/O for V8 JavaScript. •node.js Evented I/O V8 JavaScript •Evented I/O • (I/O) •V8 JavaScript •V8 Google Chrome JavaScript Engine JavaScript
  7. 7. node.js• • I/O (node.js )• •1 • I/O JavaScript• JavaScript • JavaScript
  8. 8. • • • • • • •••
  9. 9. I/O• • • A • A A • B A • B B B• •• I/O • (I/O)
  10. 10. node.js
  11. 11. • C10K •C client 10K 10000 • •• Apache nginx • Apache • 1 • • nginx • 1• (CPU )• (I/O )
  12. 12. • 1. → network read 2. → disk read 3. → network write • read/write • read/write•node.js read/write •
  13. 13. JavaScript•JavaScript • JSON • Web XML JSON • HTML5 • (Web Socket) (Web Workers) • HTML5 JavaScript • • CouchDB, MongoDB • JavaScript• JavaScript • • JavaScript
  14. 14. node.js•node.js •JavaScript •socket.io •npm registry •node.js PaaS SaaS ✤node.js enjoy node!

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