Linux host load average Concept

Source: Internet
Author: User


Linux host load average concept a module recently developed requires Task Scheduling Based on the load conditions of each node in the data center (such as Nic I/O, load average, and other indicators, at the beginning, I was not very clear about the Linux server load average indicator. After investigation, I finally figured out its calculation method and influencing factors, which were recorded as notes. 1. load average when you type the top command on the shell terminal, the value of load average is displayed in the first line of the output content by default, as shown below: [plain] top-19:10:32 up 626 days,, 1 user, load average: 7.74, 5.62, 6.51 Tasks: 181 total, 8 running, 173 sleeping, 0 stopped, 0 zombie Cpu (s): 4.0% us, 0.5% sy, 0.0% ni, 95.4% id, 0.0% wa, 0.0% hi, 0.0% si. Similarly, input the uptime command and load average will also be output: [plain] 19:15:10 up 129 days, 15 users, load average: 0.01, 0.09, 0.05 according to m According to the description of an uptime, the three values of load average indicate the average system load in past 1, 5 and 15 minutes respectively.

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