Comparing 2 linq applications: Unexpected result
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Published on 2010-05-16T11:21:19Z
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I drafted 2 ASP.NET applications using LINQ. One connects to MS SQL Server, another to some proprietary memory structure. Both applications work with tables of 3 int fields, having 500 000 records (the memory structure is identical to SQL Server table). The controls used are regular: GridView and ObjectDataSource. In the applications I calculate the average time needed for each paging click processing.
- LINQ + MS SQL application demands 0.1 sec per page change.
- LINQ + Memory Structure demands 0.8 sec per page change.
This Is shocking result. Why the application handling data in memory works 8 times slower than the application using hard drive? Can anybody tell me why that happens?
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