On Fri, 20 Jul 2001, John R. Jackson wrote:
> >... I noticed that the estimates are basically tar operations with
> >all of the ouput going to /dev/null. That is what's taking the time.
> >Not to get the file's size, but to move the date through that system
> >pipe into /dev/null.
>
> Nope. Tar knows it is writing to /dev/null and optimizes out the open(),
> read() and write() calls so there is no data motion.
>
> I think the time is being spent traversing the directory tree and
> stat()ing the things it runs across. In other words, it's doing pretty
> much what your find would do.
Yes, the problem I'm seeing is related to readdir on large directories,
which have thousands of files. A feature of that version of the ext2
filesystem code I guess.
regards,
Colin Smith.
