HA 4 Nodes - 8GB/Node 2NN, 3DN, 3NM (VMs deployed on 4 different HDD)

TestDFSIO_results.log

----- TestDFSIO ----- : read
           Date & time: Sun May 18 07:24:03 CST 2014
       Number of files: 10
Total MBytes processed: 10000.0
     Throughput mb/sec: 51.92404550623348
Average IO rate mb/sec: 65.51341247558594
 IO rate std deviation: 30.326697909865505
    Test exec time sec: 84.001

----- TestDFSIO ----- : read
           Date & time: Sun May 18 07:25:09 CST 2014
       Number of files: 10
Total MBytes processed: 10000.0
     Throughput mb/sec: 149.7544027794417
Average IO rate mb/sec: 196.14645385742188
 IO rate std deviation: 76.70699557672867
    Test exec time sec: 63.078

----- TestDFSIO ----- : read
           Date & time: Sun May 18 07:26:15 CST 2014
       Number of files: 10
Total MBytes processed: 10000.0
     Throughput mb/sec: 110.94223237959994
Average IO rate mb/sec: 236.1749267578125
 IO rate std deviation: 148.72525288578905
    Test exec time sec: 63.609

----- TestDFSIO ----- : write
           Date & time: Sun May 18 07:34:31 CST 2014
       Number of files: 10
Total MBytes processed: 10000.0
     Throughput mb/sec: 8.647175356933781
Average IO rate mb/sec: 8.863395690917969
 IO rate std deviation: 1.394416628708905
    Test exec time sec: 314.979

----- TestDFSIO ----- : write
           Date & time: Sun May 18 07:39:37 CST 2014
       Number of files: 10
Total MBytes processed: 10000.0
     Throughput mb/sec: 8.24729344447386
Average IO rate mb/sec: 8.289419174194336
 IO rate std deviation: 0.6026202904484972
    Test exec time sec: 302.143

----- TestDFSIO ----- : write
           Date & time: Sun May 18 07:44:35 CST 2014
       Number of files: 10
Total MBytes processed: 10000.0
     Throughput mb/sec: 8.790930572746708
Average IO rate mb/sec: 8.947450637817383
 IO rate std deviation: 1.1929183319949404
    Test exec time sec: 295.444