Hash to disc: what's good and fast these days?

[Simon Wistow]

On Thu, Dec 16, 2010 at 09:50:18PM +0000, Roger Burton West said:
> There are lots of modules that let me tie a hash to some sort of
> database: BerkeleyDB, TokyoCabinet, CDB, and so on. Is there anything
> that's aware of Perl data structures and will let me tie a _multi-level_
> hash to a disc file? If so, what's the best option? (I was thinking of
> YAML, but it's too slow for big data sets...)

DBM::Deep?