RHEL7 和 RHEL6在控制资源的部分，具体的操作步骤有一些不同，操作想对简单，引入了新的概念slice
下面具体举例子说明如何让某个服务使用客户自定义的slice
第一步：创建新的slice
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vi /etc/systemd/system/system-cpuload.slice [Unit] Description=CPUload slice [Slice] CPUShares=256 CPUAccounting=yes |
第二步：修改服务的具体配置
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mkdir /etc/systemd/system/cpuload.service.d vim /etc/systemd/system/cpuload.service.d/10-slice.conf [Service] Slice=system-cpuload.slice |
第三步：测试
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sudo systemctl daemon-reload sudo systemctl restart cpuload.service sudo systemctl status cpuload | grep cgroup |
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