Re: leak?

* Jon Wilson ([email protected]) [040824 14:33]:
> I've noticed a memory leak when I clone messages. Test code and test 
> message attached. It's probably some kind of circular reference. It 
> doesn't happen if I don't clone the message.

When you remove the clone() from your code, it still leaks memory.
I am not familiar with Devel::Leak, but does it understand
Scalar::Util::weaken() ?  I have used that a lot, but may have
missed one or two spots.

When you open an mbox folder, it will be lazy: only the headers will
be taken in memory.  When you clone the messages, the bodies will
get stored in memory as well.  So: it is very normal that the
memory usage explodes when you go through the whole folder.  See
$msg->destruct() [if you know what you are doing].

If you are willing to persue the "leak" further, than be my guest.
There may be many reasons within Perl, Devel::Leak, Scalar::Util, or
even Mail::Box which produce this result.

By the way: I see no reason for creating a clone() in normal applications.
When you move messages from one folder to the other, MailBox will do that
as efficiently as possible for you.  (see $msg->move, $msg->copy, etc)
-- 
               MarkOv

------------------------------------------------------------------------
drs Mark A.C.J. Overmeer                                MARKOV Solutions
       [email protected]                          [email protected]
http://Mark.Overmeer.net                   http://solutions.overmeer.net