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List of contents of this article:

• 1,Free sports events uefa champions league app android Understand the average system load of the top command
• 2, How to understand the average load?
• 3,How to view the average load of the system through Linux commands
• 4. What is the loadaverage of Linux system?
• 5, What is system load? Uptime?

Understand the average system load of the top command

/proc file system is a virtual file system that does not occupy disk space. It reflects the current operating system The operation status in the memory, check the file under /proc can be sent to the running status of the system.

The average load means that the system is in an operable and uninterruptible state in a unit of time.The average number of processes, that is, the average number of active processes, is not directly related to the CPU utilization rate. The most ideal case of average load is equal to the number of CPUs.

System runtime and average load: (Display runtime) The top of the top command displays an output similar to the uptime command. These fields show: current time, running time, number of current logged-in users, corresponding average load in the last 10 and 15 minutes.

top is a dynamic display process, that is, the current state can be constantly refreshed through the user's keys. If the command is executed in the foreground, it will exclusively display the CPU, memory usage and execution time in the foreground until the program is terminated by pressing ctrl+C.

The first line is the task queue information, which is the same as the execution result of the uptime command.The content is as follows: 01:06:48 Current time up 1:22 System running time, format is time: divided 1 user current logged-in user number load average: 0.06, 0.60, 0.48 system load, that is, task team The average length of the column.

How to understand the average load?

cpu is so idle. This understanding is actually wrong. Simply put, the average load refers to the average number of processes in which the system is in a runable and uninterruptible state in a unit of time, that is, the average number of active processes.

Average load refers to the average number of processes that are ready at the same time in the previous minute. In the CPU, it can be understood that the number of tasks that the CPU can handle in parallel is the number of CPUs X the number of cores.

The average load refers to the average number of processes in which the system is in an runable and uninterruptible state per unit of time, that is, the average number of active processes, which is not directly related to the CPU utilization rate. The most ideal case of average load is equal to the number of CPUs.

Equivalent average load rate: Equivalent average load rate refers to the average load level of a system or equipment over a certain period of time. It is usually expressed as a percentage, indicating the ratio of the actual operating load of a system or equipment in a unit of time to its theoretical maximum load.

Load Balance means to be distributed to multiple operating units for execution, such as Web servers, FTP servers, enterprise critical application servers and other mission-critical servers, so as to complete work tasks together.

Common load balancing systems include 3 types: DNS load balancing, hardware load balancing and software load balancing. Hardware load balancing is to realize the load balancing function through separate hardware devices. Such devices are similar to routers and switches and can be understood as a basic network device for load balancing.

How to check the average load of the system through Linux commands

Check the number of CPUs in the Linux system Every time we find that the system slows down, the first thing we usually do is Execute the top or uptime command. If the three values of 1 minute, 5 minutes and 15 minutes are basically the same or not much different, it means that the system load is very stable.

Command: The name of the startup command of the process startup. If this line cannot be displayed, the process will have a complete command line. During the use of the top command, some interactive commands can also be used to complete the functions of other parameters. These commands are started through shortcut keys.Space: Refresh immediately.

can be regarded as the optimal load value. The load will change with different systems. Single CPU system 1-3 and SMP system 6-10 are acceptable. There is also a parameter -V, which is used to query the version.

What is the loadaverage of Linux system?

Concept: This data refers to the load of the Linux system, that is, the data information displayed at the top when we usually use the Top command (loadaverage: 0.1, 0.2, 0.5.

refers to the average load of the system. The average load of the system is defined as the average process tree in the running queue in a specific time interval.

cat /proc/loadavg command detailed explanation Monday, February 28, 2011 5:24 p.m./proc file system is a virtual file system that does not occupy disk space. It reflects the operation of the current operating system in memory. Check the file under /proc to chat and send to the running status of the system.

In the Linux system, these data represent the number of processes waiting for CPU resources and blocking uninterrupted IO processes (process status is D). The output of the command, load average represents the average load of 1 minute, 5 minutes and 15 minutes. Through these three data, we can understand whether the server load is tending or easing.

Line 1 is the task queue information, and its parameters are as follows: Content meaning 05:43: 27 indicates the current time up 4:52 system running time The format is: divided 2 users currently logged in users load average: 0.58, 0.41, 0.30 system load, that is, the average length of the task queue.

What is system load? Uptime?

Meaning: uptime (or system runtime) refers to the running time and state of the system. It is usually used to display the running time of the system, the number of logged-in users and the average load of the system.

In the Linux system,Commands such as uptime, w, top, etc. will have the output of the average load of the system, so what is the average load of the system? The average load of the system is defined as the average process tree in the running queue in a specific time interval.

Online time. Uptime refers to the total working time of the computer or communication system during a certain period of time. The opposite of the online time is the downtime or downtime. Downtime refers to the total duration of downtime when the computer or communication system cannot work normally during a certain period of time.

The uptime command in the system is mainly used to obtain the running time of the host and query the load of the Linux system and other information.

man uptimeThe average load refers to the average number of processes in which the system is in a runable state and uninterruptible state in a unit of time, that is, the average number of active processes, which is not directly related to the CPU utilization rate. The most ideal case of average load is equal to the number of CPUs.

Load is a term commonly used in the fields of power systems, electronic engineering and computer science. It is mainly used to describe the workload or pressure of a system or equipment. In different contexts, load may have different meanings and calculation methods.