nproc 40960 * hard nproc 40960 EOF #要重启系统才生效 ⑤关闭swap # cat >> /etc/sysctl.conf <vm.swappiness = 0 EOF # swapon -s #查看swap挂载情况，如果有swap挂载，则需要去/etc/fstab里 取消挂载 # vi /etc/fstab theus的基本原 理是通过HTTP协议周期性抓取被监控组件的状态，任意组件只要提供对应的 HTTP接口就可以接入监控。不需要任何SDK或者其他的集成过程。这样做非常 适合做虚拟化环境监控系统，比如VM、Docker、Kubernetes等。输出被监控组 件信息的HTTP接口被叫做exporter Promethus特点： 支持多维数据模型：由度量名和键值对组成的时间序列数据 内置时间序列数据库TSDB

automate through the steps 1. Packaging code in method suitable for deployment2. Create pre-configured VM, containers, etc. 3. Automate deployment & configuration of middleware 4. Copying packages to production

Management  Every technology under the sun  Solaris, Windows, Linux  Apache, IIS, TCServer, etc.  Oracle, DB2, SQL Server  How we got better  We read and we studied.  Created a self-improvement project