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
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
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
Meaning of cpu usage in linux top Command, linuxtop
Meaning of cpu usage in linux top Command[Respect for original articles from: http://www.iteye.com/topic/1110848]CPU usage of 0.3% us user space1.0% sy CPU usage in kernel space0.0% percentage of
CPU Metric Load Average1. Concept Introduction 1.1 Linux system process statusIn Linux, process has the following states: Runnable (ready state); blocked waiting for a event to complete (blocking waits a time for completion, the process of this
1.topUsage rights: All usersMode of use: Top [-] [D delay] [Q] [C] [s] [s] [i] [n] [b]Description: Instant display of process dynamicsD: Change the update speed of the display, or press s in the chat command column (interactive command)Q: There is
Load AverageRefers to the number of tasks in the run queue, if only 1 processes in the running queue for 1 minutes, the 1-minute load average is 1, only 1 processes in the running queue half a minute, the 1-minute load average is 0.5, meaning that
Linux command ---- analyze CPU bottlenecks to measure CPU performance indicators: 1. CPU usage; CPU running regular user processes CPU running nicedprocessCPU running real-time processes 2. CPU usage; for IO management: interrupt and driver for
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
CPU utilization good understanding, that is, CPU utilization, more than 75% is higher (also has the argument is 80% or higher). In addition to this indicator, but also in combination with the load average and context Switch rate, it is possible that
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