Hey guys, I've got an application that needs keep ...

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[groostav]

Hey guys, I've got an application that needs keep a map of about 100,000 entries. The key can be derrived from a decimal vector of about 100 columns. The value is also a decimal vector of about 100 columns. Some domain rules assert for use that the key vectors will always be unique.
edit: I want to do this entirely in memory because I'm lazy.