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From Stefan Bodewig <bode...@apache.org>
Subject Re: 1.8 Performance Degradation
Date Thu, 04 Mar 2010 05:17:24 GMT
On 2010-03-03, Murray, Mike <mbm@ptc.com> wrote:

> Thanks for the quick response.  I have no use of "exec" tasks in my test
> scenario.

Well, that was the only performance degradation we have known of so far.

> VisualVM showed that AntClassLoader.getCertificates() was sucking up all
> the time.  If I revert AntClassLoader.defineClassFromData() to what it
> was in 1.7.1, it resolves the performance problem.

> http://svn.apache.org/viewvc/ant/core/trunk/src/main/org/apache/tools/ant/AntClassLoader.java?r1=796649&r2=796702

Interesting.  Many thanks.  We certainly cannot revert to the old code
base without making the AntClassloader as incomplete as it was, but
there is room for improvement.

https://issues.apache.org/bugzilla/show_bug.cgi?id=48853

Stefan

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