To echo ww's comment - we don't have enough information.
A couple of more potential solutions might be a "better" algorithm or a disk-based hash store (DBM::Deep, as an example). Whether it helps with your use case or not depends on many factors, none of which we have at this point.
--MidLifeXis
In reply to Re: write hash to disk after memory limit
by MidLifeXis
in thread write hash to disk after memory limit
by hailholyghost
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