Also check Suffering from Buffering, you might want to set $| to a nonzero, this can alleviate the 'out of memory!', and just like jethro suggested, consider divide and conquer...

Excellence is an Endeavor of Persistence. Chance Favors a Prepared Mind.

In reply to Re: Optimizing Iterating over a giant hash by biohisham
in thread Optimizing Iterating over a giant hash by oron

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