2009/4/23 Steve Appling <[email protected]> > > > Tom Eyckmans wrote: > >> Hi Steve, >> >> The previous message got rejected because of it's size so I have put the >> test jar here http://www.box.net/shared/rjfyath7lb hope that works. >> >> clipped ... >> >> True. Could you perform a speed test with the jar file in attachment? >> >> just execute it like so: >> >> java -jar changedetection-0.1 dirOne dirTwo dirThree >> >> Do you really need to include the file content, or can you trust >> the OS to update last modified date? >> Not sure, but I know there is a force method on randomaccessfile >> that allows to only force the content or both content and >> metadata to be flushed. Thats why I included the content because >> this allows the modified date not to be updated even when the >> content has changed. >> > > I know it is possible to do this, but unusual in normal development. > > >> Seems better to just use absolute file path + last modified date. >> >> From our main product branch I ran it on our java source and webapp > content. Performance seems to depend HEAVILY on what Windows has cached. > > First time: > > C:\Working\main\dev>java -jar \temp\changedetection-0.1.jar source webroot > C:\Working\main\dev\source : e48543ab1d4bd97990d70f52000b9595d0c75a88 > C:\Working\main\dev\webroot : 0b23e572ac55209733d2564058fc3e553dfa95c9 > time taken: PT258.716S > > Second time: > C:\Working\main\dev>java -jar \temp\changedetection-0.1.jar source webroot > C:\Working\main\dev\source : e48543ab1d4bd97990d70f52000b9595d0c75a88 > C:\Working\main\dev\webroot : 0b23e572ac55209733d2564058fc3e553dfa95c9 > time taken: PT8.312S > > This is a big project (8,447 files under source and 15,670 files under > webroot), but it still seems like including the content of the files is > prohibitively expensive (at least at first). It would be interesting to > see how this works without the file content. I'll be glad to test that for > you too.
I've noticed this aswell, very hard to create something that works consistently every single time. New jar that doesn't include the file content, on Gradle source this takes 0.2 seconds. Could you test this against your code base ? Link: http://www.box.net/shared/b53oc00c3r > > > -- > Steve Appling > Automated Logic Research Team > > > --------------------------------------------------------------------- > To unsubscribe from this list, please visit: > > http://xircles.codehaus.org/manage_email > > >
