Friday, April 12, 2013

MapDB (aka jdbm3++) first look

took a quick look at mapdb today (which is jdbm3++)

looks promising, but not the holy grail

CONS: appears to require a max size on keys. kind of a pain to setup. examples and benchmarks appear very simple. believe it's using mmap (which is fundamentally limited). appears to be a single thread for writes and a thread per read ???

PROS: appache2 license, java interface

i didn't investigate the internals much, in particular the mvcc

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