Aws为剥离的卷提供IOPS
我有一个实例设置,在一个m4.4xlarge实例上总共安装了8个EBS驱动器,总共8TB大小的逻辑卷,我是在这样的设置下标记IOPS的基准,我想知道为什么我的IOPS低于什么可能,如果我做了计算的权利,我应该得到总计IOPS为2.4万,8个EBS驱动器,每个1000GB。 下面是我读取块大小为8kb的fio时得到的结果: fio –randrepeat=1 –ioengine=libaio –direct=1 –gtod_reduce=1 –name=test –filename=test –bs=8k –iodepth=64 –size=4G –readwrite=randrw –rwmixread=100 test: (g=0): rw=randrw, bs=8K-8K/8K-8K/8K-8K, ioengine=libaio, iodepth=64 fio-2.2.10 Starting 1 process Jobs: 1 (f=1): https://forums.aws.amazon.com/ http://100.0% done 95776KB/0KB/0KB /s http://11.1K/0/0 iops https://forums.aws.amazon.com/ test: (groupid=0, jobs=1): err= 0: pid=83382: Thu Jul 20 11:14:30 2017 read : io=4096.0MB, bw=155419KB/s, iops=19427, runt= 26987msec cpu : […]