in reply to methods of recovering from ram issues
Do you need to maintain a queue of pending operations and only remove actions from the queue when they are completed?
Do you need to create a Storable hash which can be recovered in the event of a failure so that you can continue processing ...
The approach you take to protecting your data depends on the nature of the problem.
print "Good ",qw(night morning afternoon evening)[(localtime)[2]/6]," fellow monks."
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Seekers of Perl Wisdom