Hello log4j developers.

 I have spent some time measuring speed of class
org.apache.log4j.spi.LocationInfo.

 The idea was that if I could use Java 1.4 Throwable.getStackTrace I
could get better performance when getting caller location information.

My findings could be found here:
http://jour.sourceforge.net/log4j_LocationInfo_performance.html

I found that in artificial tests I could get 4 times faster speed.
Unfortunately I did not get the same success in real application. But
this may be due to the test setup.

Please tell me what you think. 

Definitely more performance tests should be done to prove that changes
to LocationInfo add performance befits.

Regards,
-- 
Vlad

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