Perhaps you have circular references somewhere that prevent structures from being garbage collected.

Try Devel::Leek and Devel::Cycle to find them.

Once you found them you can weak some of the references with Scalar::Util::weaken.

In reply to Re: Momory usage of a "sub" in mod_perl by moritz
in thread Memory usage of a "sub" in mod_perl by diego_de_lima

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