more performance output eventstore/akka/origo

gistfile1.txt

Batch size: 10
async elapsed: 00:00:09.3169992
Batch size: 20
[INFO][2014-10-16 21:45:26][Thread 0013][akka://prevayler/deadLetters] Message ReceiveTimeout from NoSender to akka://prevayler/deadLetters was not delivered. 1 dead letters encountered.
async elapsed: 00:00:04.0975454
Batch size: 40
async elapsed: 00:00:02.2847282
Batch size: 80
async elapsed: 00:00:01.2958812
Batch size: 160
async elapsed: 00:00:01.0348004
Batch size: 320
async elapsed: 00:00:00.6032199
Batch size: 640
async elapsed: 00:00:00.4124263
Batch size: 1280
async elapsed: 00:00:00.3751894
Batch size: 2560
async elapsed: 00:00:00.3631344
Batch size: 5120
async elapsed: 00:00:00.3705374
Batch size: 10240
async elapsed: 00:00:00.3914806
Batch size: 20480
async elapsed: 00:00:00.4259920

The messages are 200 bytes, throughput levels out at batch size ~1000, max throughput is ~27K
async elapsed is total time to write 10k messages.