A Special Thanks to David Daney et al.

Martin Egholm Nielsen martin@egholm-nielsen.dk
Mon Nov 28 08:55:00 GMT 2005


> I would like to extend our sincerest gratitude to David Daney, Tom 
> Tromey, Andrew Haley, and others who advised me on how to deal with our 
> GCJ application "memory leak".
>> As I suspected, it was no leak. Others take note: GCJ and Boehm GC 
> WORK, and this includes memory management. It is much more likely that 
> there is a bug in your application than it is that there's a bug in 
> GCJ/Boehm memory management!
>> David Daney's "GC dumping tool" was critical in our achieving an 
> understanding of what was happening in our application. Our application 
> is a very complex VXML voice browser, so it's very hard to debug memory 
> management problems just by looking at the code. David's tool was a 
> "manna from heaven" type thing. Before his tool gave us a window into 
> what was being "leaked", we simply had no idea what was going on. 
> David's tool showed us where to look, and led us out of a potentially 
> disastrous situation for our company.
>> For this reason, I am asking once asking that the David Daney/Avtrex GC 
> dumping tool be added to the GCJ core. It's very small, has absolutely 
> no effect when not in use, and is extremely helpful when needed. Memory 
> problems, whether due to application or GCJ core issues, are just too 
> opaque the way things are right now. Let's get David's excellet tool 
> into GCJ, so that others may benefit from its awesome capabilities.
>> But most of all, THANK YOU for bailing us out!

Beautiful story! I feel like clapping my hands - no kidding!
// Martin


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