[Catalyst-dev] Need help debugging Text::ASCIITable

[Andy Grundman]

Perrin Harkins wrote:
> Andy Grundman wrote:
> 
>> I've been trying to fix the leak in T::A but I'm totally stumped, and 
>> so is the author.  If anyone wants to take a crack at it, I've 
>> attached my test script.
> 
> 
> The way you're testing this looks a little suspect to me.  First, Perl 
> doesn't take more memory every time you use a new variable.  Memory is 
> allocated in chunks, so it's hard to predict when the next chunk will be 
> grabbed.
> 
> Also, memory is not reclaimed from lexical variables when they go out of 
> scope.  Perl keeps that memory allocated to $x AFTER it goes out of 
> scope as an optimization.  You have to explicitly undef it to prevent 
> this.  Now, $x is just a single blessed reference here, but keep it in 
> mind.

Yeah you're probably right that my test sucks, but there is definitely a 
memory leak in there. :)  If you have a better test (preferably not 
using GTop) I'd love to see it.

-Andy