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KVM使用CPU Pinning和CPU Isolation

以libvirt为例 对于cpu pinning,可以在配置文件中增加以下内容: <cputune> <vcpupin vcpu="<cpu真实核心id>" cpuset="<cpu虚拟核心id>"/> </cputune> 对于cpu isolation,可以配置systemd,在系统启动之后不

R2S WAN 经常掉线的问题

具体内核日志: [173337.084375] ------------[ cut here ]------------ [173337.084839] NETDEV WATCHDOG: eth1 (r8152): transmit queue 0 timed out [173337.085499]

Docker为runtime的k8s集群Bug

kubelet服务报error,关键字为 failed to reopen container log 修改/etc/docker/daemon.json,添加: "log-driver": "json-file", "log-opts": { "max-size": "10m", "max-fil

QEMU虚拟机桥接上网无法访问HTTP服务

网络配置如下: # This is the network config written by 'subiquity' network: ethernets: eth0: dhcp4: false dhcp6: false addresses:

JVM设置代理

-Djava.net.useSystemProxies=true -Dhttp.proxyHost=127.0.0.1 -Dhttp.proxyPort=1080 -Dhttps.proxyHost=127.0.0.1 -Dhttps.proxyPort=1080 -Dhttp.proxyUse