c# searching in pdf files

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hi
i have thousands of pdf files in one server and i want to develop and internal web application to search some words inside each file....

one week ago i did a dll for this (using itextsharp), but it take a long time to receive a response (15 minutes aprox.)

what can i do to improve the response time?
any idea?

thanks

PS - actually i have 12000 pdf files and i have the url of each file in a sqlserver database

Posted 21-Feb-12 6:41am

bcasillas

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Richard MacCutchan · Accepted Answer · 2012-02-21T07:36:00

I would think that you need to create an index of all the words in your files so you can do speedy searches. You could do this immediately by scanning all files or build it up gradually by creating it as each search is processed. Unfortunately the second option will still mean that early searches will still be quite slow.