UMA
NUMA
SMP
MPP

numactl --hardware
numastat
numastat -c
/proc/sys/kernel/numa_balancing

跨NUMA节点的内存合并

/sys/kernel/mm/ksm/merge_across_nodes
CPU绑定
NUMA自动平衡
CPU压测工具unixbench
CPU热添加是CentOS7的新特性