The event loop is different than models in many other languages where additional threads may be created to handle concurrent work.
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                https://nodejs.org/en/docs/guides/blocking-vs-non-blocking/
  
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                https://nodejs.org/en/docs/guides/blocking-vs-non-blocking/Recap de la situation actuelle concernant nodejs
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                http://linuxfr.org/news/node-js-passe-la-sixieme-vitesse
  
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                http://linuxfr.org/news/node-js-passe-la-sixieme-vitessenodejs process manager
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                https://github.com/Unitech/pm2
  
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                https://github.com/Unitech/pm2