Understanding load average in Linux systems (graphic version)Blog Category:
Linux
Linux load Nagios One, what is load average?The load on the Linux system is a measure of the current CPU workload (wikipedia:the system load is a measure
In Linux, the meaning of CPU load and CPU usage indicates that the Nagios alarm information was viewed yesterday. It was found that the CPU load on one of the servers was too heavy and the machine was CentOS. Information: 2011-2-15 (Tuesday) 17: 50
Article Title: CPU load in Linux. Linux is a technology channel of the IT lab in China. Some basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open-source systems view the Nagios alarm
In peacetime operations, when a server has a performance problem, it usually looks at the current CPU usage, especially the load of the CPU (load average).To get the CPU load of the server, there are three kinds of commands:1) w command [[email
first section CPU utilization and CPU load
Under Linux/unix, CPU utilization (CPU utilization) is divided into user state, System State and idle state, respectively, the CPU is in user state execution time, system kernel execution time, and idle
These days I have been studying shell scripts and writing some system load and CPU monitoring script programs. Without nagios monitoring software, as long as the server can access the Internet, you can send an email to remind the administrator of
The not noticed indicator is the load average, he and I started just pay attention to the CPU, memory usage, but not too much attention to this indicator, this indicator and their usual limit (10 or so) there is a difference. The results of the test
The last article on how to use LoadRunner monitor Linux performance indicators, but the CPU on a few indicators are not clear, the following detailed said.
CPU Utilization good understanding, that is, CPU utilization, more than 75% is higher (also
yesterday, we looked at Nagios alert information and found that one of the servers was overloaded and the machine was a centos system. The information is as follows:
2011-2-15 (Tuesday) 17:50
Warning-load average:9.73, 10.67, 10.49
In Linux, the cpu usage load average is a simple understanding. Generally, the load average can be observed through top or uptime. The format is as follows: load average: 0.10, 0.05, 0.58 represents the last minute, respectively, 5 minutes, 15
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