On Fri, Aug 21, 2009 at 9:46 AM, Dale Anson <dan...@grafidog.com> wrote:
> Does your change improve performance of the delete task at all? I recently > replaced many of the calls to delete in our build files with an exec call to > rm, since profiling showed the delete task was responsible for over 50% of > the total time of the build. Part of the problem is the way delete is > implemented in Java itself, that is, a non-empty directory cannot be deleted > with java.io.File.delete(), so the delete task is required to traverse the > tree and delete files from the bottom up. > Just a minor point of clarification here... the rm(1) command also must delete all the files in a directory before deleting the directory itself; the rmdir(2) system call requires this. So that is not an explanation for the difference in speed between Java and C. -Archie -- Archie L. Cobbs
