Have a look at your callback subs. Do they make use of $self? Does $self keep reference to your event object? If so, you may want to: 
    weaken($self) if !isweak($self).

[download]
in your callback subs to get rid of circular refs.

In reply to Re: Memory management with long running scripts by Anonymous Monk
in thread Memory management with long running scripts by jamesrleu

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