numa,numa node 和物理内存

[root@rac2 ~]# lscpuArchitecture:          x86_64CPU op-mode(s):        32-bit, 64-bitByte Order:            Little EndianCPU(s):                12On-line CPU(s) list:   0-11Thread(s) per core:    1Core(s) per socket:    6Socket(s):             2NUMA node(s):          2Vendor ID:             GenuineIntelCPU family:            6Model:                 63Model name:            Intel(R) Xeon(R) CPU E5-2603 v3 @ 1.60GHzStepping:              2CPU MHz:               1398.625BogoMIPS:              3205.07Virtualization:        VT-xL1d cache:             32KL1i cache:             32KL2 cache:              256KL3 cache:              15360KNUMA node0 CPU(s):     0-5NUMA node1 CPU(s):     6-11[root@rac2 ~]# numastat                           node0           node1numa_hit                 2815615         2618359numa_miss                      0               0numa_foreign                   0               0interleave_hit             34872           34865local_node               2815015         2580218other_node                   600           38141[root@rac2 ~]# numactl --hardwareavailable: 2 nodes (0-1)node 0 cpus: 0 1 2 3 4 5node 0 size: 65425 MB  ----->>numa node 0的内存大小node 0 free: 62868 MBnode 1 cpus: 6 7 8 9 10 11node 1 size: 65536 MB  ----->>numa node 1的内存大小,看这个结果貌似是numa的各个node瓜分物理内存.node 1 free: 63886 MBnode distances:node   0   1   0:  10  21   1:  21  10 [root@rac2 ~]# free -m              total        used        free      shared  buff/cache   availableMem:         128834        1540      126754           9         539      127052Swap:         17407           0       17407[root@rac2 ~]#