This question was asked by the community via Twitter on November 16, 2015. The conversation appears below.
BitcoinPaygate (@BitcoinPayGate )
@aerospikedb could Aerospike be used in Bitcoin to replace leveldb?
brian bulkowski (@bbulkow)
@BitcoinPayGate @aerospikedb What are you using LevelDB for - blockchain storage? Yes, in spades!
@bbulkow @aerospikedb Block header info stored in leveldb. The rest as raw/block files on harddrive. More info here: http://bitcoin.stackexchange.com/questions/28168/what-are-the-keys-used-in-the-blockchain-leveldb-ie-what-are-the-keyvalue-pair