메인 서버 sysbench 메모리 속도는 높게 잘나옵니다.

하지만 KVM 으로 VPS생성시 Read/write 속도가 470mb/s 가나오네요..

[root@host107 ~]# sysbench --test=memory --memory-block-size=1K --memory-scope=global --memory-total-size=100G --memory-oper=read run

WARNING: the --test option is deprecated. You can pass a script name or path on the command line without any options.

sysbench 1.0.15 (using bundled LuaJIT 2.1.0-beta2)

Running the test with following options:

Number of threads: 1

Initializing random number generator from current time

Running memory speed test with the following options:

  block size: 1KiB

  total size: 102400MiB

  operation: read

  scope: global

Initializing worker threads...

Threads started!

Total operations: 3792913 (379211.09 per second)

3704.02 MiB transferred (370.32 MiB/sec)

General statistics:

    total time:                          10.0001s

    total number of events:              3792913

Latency (ms):

         min:                                    0.00

         avg:                                    0.00

         max:                                    0.34

         95th percentile:                        0.00

         sum:                                 2955.35

Threads fairness:

    events (avg/stddev):           3792913.0000/0.00

    execution time (avg/stddev):   2.9554/0.00

어떤문제가있는걸까요?? cpu나 디스크는 정상인데 메모리만이러네요..

페도라에서는 정상속도나오는데 우분투,센토스에서 이문제가 발생됩니다.