Linear read:                         |ios=31491/0   |ios=29949/0
Linear write:                        |ios=47/31020  |ios=16/30960
Peak parallel random read:           |ios=3245618/0 |ios=5779926/0
Single-threaded read latency:        |ios=472836/0  |ios=1232638/0
Peak parallel random write:          |ios=43/5023780|ios=43/5040033
Journal write latency (with sync):   |ios=43/1183974|ios=43/2262624
Journal write latency (with fsync):  |ios=43/2215944|ios=43/2157667
Single-threaded random write latency:|ios=43/1176272|ios=43/2269595