in reply to
Re^2: Optimizing Iterating over a giant hash
in thread Optimizing Iterating over a giant hash
There is another Module at CPAN, called BerkeleyDB, but the documentation has many TODOs in it.
The TODOs are 100% for redundant documentation.
Like it says
The reader is expected to be familiar with the Berkeley DB documentation. Where the interface provided here is identical to the Berkeley DB library and the... http://www.oracle.com/technology/products/berkeley-db/db/index.html
perl examples at