Perhaps have a look at the excellent DBM::Deep?

The docs discuss locking and encryption issues and there is an export method. It is also pure Perl so it is very easy to set up.

There is a discussion on "speed" at the end which includes the statement "At 3,000 keys, avg. speed is 1,982 keys/sec". As the author says, it is "pretty fast". :-)

Hope that helps

In reply to Re: Bad Idea? Questions of performance issues, file locking, and GPG by wfsp
in thread Bad Idea? Questions of performance issues, file locking, and GPG by hmbscully

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