Suggestions needed for testing an ASP.NET control
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This is in regard to my CountryListBox ASP.NET control article here on CP: http://www.codeproject.com/useritems/CountryListBox.asp[^] The most intensive part of the search is performed by MaxMind's supplied CountryLookup class (which in turn accesses the GeoIP.dat file -- the IP database). Mind you, this could be ported to SQL Server and searched through SQL statements. Anyway, I want to get some kind of test with regards to how efficient the file access is, what kinds of loads can be expected etc. There are two disk I/O intensive operations: 1) Loading of the countries from a text file 2) Search of the GeoIP database Is there any kind of behind-the-scenes file caching in Windows 2000/XP? Anyway, I'm going to run some load tests on my machine (only XP Pro -- limited incoming connections I believe?) to see how it handles, but was wondering if anyone had any general strategies as to how to go about testing it? Things to watch out for etc.? Thanks for your help -- Paul "If you can keep your head when all around you have lost theirs, then you probably haven't understood the seriousness of the situation." - David Brent, from "The Office" MS Messenger: paul@oobaloo.co.uk Sonork: 100.22446
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This is in regard to my CountryListBox ASP.NET control article here on CP: http://www.codeproject.com/useritems/CountryListBox.asp[^] The most intensive part of the search is performed by MaxMind's supplied CountryLookup class (which in turn accesses the GeoIP.dat file -- the IP database). Mind you, this could be ported to SQL Server and searched through SQL statements. Anyway, I want to get some kind of test with regards to how efficient the file access is, what kinds of loads can be expected etc. There are two disk I/O intensive operations: 1) Loading of the countries from a text file 2) Search of the GeoIP database Is there any kind of behind-the-scenes file caching in Windows 2000/XP? Anyway, I'm going to run some load tests on my machine (only XP Pro -- limited incoming connections I believe?) to see how it handles, but was wondering if anyone had any general strategies as to how to go about testing it? Things to watch out for etc.? Thanks for your help -- Paul "If you can keep your head when all around you have lost theirs, then you probably haven't understood the seriousness of the situation." - David Brent, from "The Office" MS Messenger: paul@oobaloo.co.uk Sonork: 100.22446
Paul Ingles wrote: Is there any kind of behind-the-scenes file caching in Windows 2000/XP? Sure, all versions of the OS maintain a disk cache. If the file isn't too big (like, under 1MB), you can map the whole file into memory at once and then do your searches. That lets the OS handle the entire I/O process, as opposed to reading the file into your own buffer a chunk at a time. --Mike-- "Adventure. Excitement. A Jedi craves not these things." -- Silent Bob 1ClickPicGrabber - Grab & organize pictures from your favorite web pages, with 1 click! My really out-of-date homepage Sonork-100.19012 Acid_Helm