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by hyc_symas 4158 days ago
See the table of data here http://symas.com/mdb/hyperdex/#100M

  100M records, 1M ops
 		MinLatency(us)	AvgLatency(us)	95th%ile(ms)	99th%ile(ms)	MaxLatency(ms)	Runtime(sec)	Throughput(ops/sec)	CPUtime (mm:ss)
  LMDB update	256		33565		130		209		637		8385		119			4:21.41
  LMDB read	215		33493		130		207		817
  LevelDB update 241		63660		231		385		20370		15863		63			17:27
  LevelDB read	188		63250		230		383		7904
(It's formatted properly if you follow the link)

Also look at the latency distribution compared to MySQL's InnoDB http://symas.com/mdb/memcache/