; setup numa policy for each thread ; 'numactl --show' to determine the maximum numa nodes [global] ioengine=libaio buffered=0 rw=randread bs=512K iodepth=16 size=512m filename=/dev/sdb1 ; Fix memory blocks (512K * 16) in numa node 0 [job1] numa_cpu_nodes=0 numa_mem_policy=bind:0 ; Interleave memory blocks (512K * 16) in numa node 0 and 1 [job2] numa_cpu_nodes=0-1 numa_mem_policy=interleave:0-1