Created
December 1, 2011 00:45
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Node.js performance tips
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// Use built in or binary modules | |
var crypto = require('crypto'); | |
var hash = crypto.createHmac("sha1",key).update(signatureBase).digest("base64"); |
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// Disable socket pooling | |
var http = require('http'); | |
var options = {.....}; | |
options.agent = false; | |
var req = http.request(options) |
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app.use(express.session({ secret: "keyboard cat" })); |
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<!-- An example of a JavaScript template that can be rendered client side --> | |
<!DOCTYPE html> | |
<html> | |
<head> | |
<title>LinkedIn Mobile</title> | |
</head> | |
<body> | |
<div class="header"> | |
<img src="http://mobile-cdn.linkedin.com/images/linkedin.png" alt="LinkedIn"/> | |
</div> | |
<div class="body"> | |
Hello <%= name %>! | |
</div> | |
</body> | |
</html> |
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{"name": "John"} |
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<!-- An example of a simple webpage rendered entirely server side --> | |
<!DOCTYPE html> | |
<html> | |
<head> | |
<title>LinkedIn Mobile</title> | |
</head> | |
<body> | |
<div class="header"> | |
<img src="http://mobile-cdn.linkedin.com/images/linkedin.png" alt="LinkedIn"/> | |
</div> | |
<div class="body"> | |
Hello John! | |
</div> | |
</body> | |
</html> |
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// Good: write files asynchronously | |
fs.writeFile('message.txt', 'Hello Node', function (err) { | |
console.log("It's saved and the server remains responsive!"); | |
}); | |
// BAD: write files synchronously | |
fs.writeFileSync('message.txt', 'Hello Node'); | |
console.log("It's saved, but you just blocked ALL requests!"); |
How to render HTML on client side and serve it with cdn?
@talentedmrjones: This is on the httpclient not on the server. This allows you to talk to the same host without using pooling
@kevbook: You can use underscore or dust or any js templating system to render on client and have the templates sitting in CDN
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that's for the http client