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2.9. iostat
iostat 工具由 sysstat 数据包提供。它对系统输入/输出设备负载进行监控和报告,以协助管理员就如何在物理磁盘间输入/输出负载做出决定。它是对处理器或设备自 iostat 上次运行或启动的使用率的报告。用户可以通过使用在 iostat 手册页中定义的参数来在特定设备上关注这些报告的输出:
$ man iostat

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