Uptime command detailed--linux performance analysis __linux

Source: Internet
Author: User

Basic use:

Uptime [-V]

Actual analysis:

Because the command is simpler here, we do not introduce it in detail. But the simpler the command, the more convenient. Like before Baidu interview operation Dimension, Interview Tube asked me which command can see the system load. I immediately naturally reacted to the uptime to say, added a lot of points. Of course, look at the system load, is not only uptime. There are vmstat, SAR, such as CPU Analysis command, appropriate to add. We'll see what this command can do:


is not simply poor, I was still considering whether it is really necessary for it to write an independent blog so exaggerated (hehe). Starting from the left,

08:20:56 boot time

Up min, boot up 22min.

2 users 2 customers are using

Load average:0.63,1.02,0.81 This is the average load in 1 minutes, 5 minutes, and 15 minutes.

         Note: The general load average three values can not be greater than the number of CPUs, if the long-term greater than the number of CPUs indicates that the system is very busy load. Occasionally larger than words, generally do not affect the actual performance. If less than that is more idle.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.