2014-07-19 21:26 GMT+04:00 George Sexton <geor...@mhsoftware.com>: > > On 7/18/2014 11:02 PM, Violeta Georgieva wrote: >> >> Hi, >> >> I suppose I'm trying to understand how the impact of this so dramatically >> outweighs my app's startup, which includes loading the jar, initializing a >> lot of classes, connecting to the database, starting background threads, >> etc. It just seems really odd. >>> >>> Can anyone help me understand this? >> >> Read this http://wiki.apache.org/tomcat/HowTo/FasterStartUp > > > > I read that, and it told me how to make it go faster, which I did. What I'm > trying to understand is what it is that makes that single thing add so much > overhead. As I mentioned in my original post, it just seems > counter-intuitive that the work required would exceed loading my app, > initializing the classes, connecting to the database, starting threads, etc.
Starting the webapp loads only those classes that are actually used. Scanning for annotations has to unzip and parse every *.class file in all of your libraries. To get what actually happens, take several thread dumps while the application is being deployed. I improved some wording on that Wiki page a bit. Best regards, Konstantin Kolinko --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
