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Which tools and technologies build the Stack Exchange Network?

How does Stack Overflow save the questions and answers? Does it use databases or bigdata solutions? What are the technologies used behind it and how does the search feature work so fast?

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migrated from Apr 15 '12 at 13:40

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marked as duplicate by Lix, Mat, NullUserException อ_อ Apr 15 '12 at 15:42

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This might give you a "hint" ;)… – Lix Apr 15 '12 at 13:46
Silly question...of course it's backed by an Access database accessed via a VB6 application which emulates a webserver! ... Or it's unicorns all the way down...I can never remember. – Time Traveling Bobby Apr 16 '12 at 12:59

and how does the search feature work so fast?

Indexing, indexing, indexing .. correct indexes do the magic. And Lucene

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What actually does the magic:… – NullUserException อ_อ Apr 15 '12 at 15:40

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