Kevin Jackson wrote:
The tests are not through yet, but one thing was so surprising to me
that I wanted to show it upfront:
Running the matchall target (of sr/etc/performance/dirscanner.xml):
Ant 1.6.5 1 min 30 s ~ 19 MB
Ant 1.7.0 3 min 53 s ~ 24 MB
Ant 1.7.1 10 s ~ 14 MB
So 1.7.0 took more than twice as long as 1.6.5 to find all files in a
big directory tree without any patterns and 1.7.1 is a whole lot
faster than even 1.6.5.
That's a huge difference - what are we doing now in 1.7.1 that is
different from before?
I think it tries to sort stuff less. This broke hadoop builds as their
class structure was wrong
https://issues.apache.org/jira/browse/HADOOP-3907
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