I'd suggest asking the author, their contact details are on their site. Incidentally they recommend using Kyoto Cabinet over Tokyo Cabinet:

"BTW, do you know Kyoto Cabinet? Actually, it is more powerful and convenient library than Tokyo Cabinet. At this distance of time, Kyoto Cabinet surpasses Tokyo Cabinet in every aspects. I strongly recommend you to use Kyoto Cabinet.

In reply to Re: tokyocabinet and CPAN by marto
in thread tokyocabinet and CPAN by Anonymous Monk

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