how does a web application cope with thousands of requests?

Posted by netrox on Server Fault See other posts from Server Fault or by netrox
Published on 2010-03-18T05:06:36Z Indexed on 2010/03/18 5:11 UTC
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scalability

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web-applications

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servers

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Performance

I went to a few websites and noticed that they all use AJAX technology for many tasks such as chat, messages, and so forth. They use a lot of httprequests obviously. My question is if you build a simple website using AJAX and you expected only few people per hour and then you start to have like 1,000 members logged per hour - can a single web application handle more requests per hour if you just upgrade to faster bigger servers or do you have to rewrite the code? Exactly how do you "scale" the web application?

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