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          centos下iostat命令如何安装与使用?

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              iostat 下令用来监视系统输入/输出装备负载

              安装时可以执行如下下令

              yum install sysstat

              即可

              [root@zhaopin zhaopin]# iostat

              Linux 2.6.18-164.el5

              avg-cpu: %user %nice %system %iowait %steal %idle

              0.45 0.00 0.26 0.09 0.24 98.96

              Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn

              xvda 6.10 7.50 80.91 150199774 1620302742

              xvda1 0.00 0.00 0.00 2732 182

              xvda2 6.10 7.50 80.91 150196890 1620302560

              xvdd 0.00 0.00 0.00 524 0

              dm-0 10.02 5.31 79.03 106335498 1582597448

              dm-1 0.51 2.19 1.88 43861152 37705112