Nmon--linux Monitoring Tools

I. BACKGROUND

Because the company's new products will be on-line, the meeting when the manager said to do performance testing, development to develop a small concurrent program, I am in the process, I think if the server is pressurized, how to monitor the performance of the server changes?

"Of course, before we do the performance test, we need to know the requirements, performance testing related knowledge, as well as the main performance test indicators are what and so on related knowledge (after a while I summed up, here the main description of this monitoring tool)"

In the continuous search, found the Nmon this tool.

Second, the reasons for adoption

1. Free

2. Easy to install, fast

3. Running does not take up too much system resources and typically does not exceed 2% CPU utilization

4. Source: Baidu Encyclopedia

The Nmon tool provides AIX and Linux performance experts with the ability to monitor and analyze performance data, including:

• CPU usage
• Memory usage
• Kernel statistics and running queue information
• Disk I/O speed, transmission, and read/write ratios
• Free space in the file system
• Disk Adapter
• Network I/O speed, transmission, and read/write ratios
• Page space and page speed
• CPU and AIX specification
• The process that consumes the most resources
• IBM HTTP Web Cache
• User-defined Disk groups
• Computer details and resources
• asynchronous I/O, only for AIX
• Workload Manager (WLM), available only for AIX
• IBM totalstorage®enterprise Storage Server® (ESS) disk, only available for AIX
• Network File System (NFS)
• Dynamic LPAR (DLPAR) changes, only available for pseries P5 and OpenPOWER for AIX or Linux

      also includes a new tool for generating graphics from Nmon output and creating. gif files that can be displayed on a Web site       Third, using       &NB Sp;1. Preparing:              (1) nmon tools: http://nmon.sourceforge.net/pmwiki.php?n= site.download                            (in accordance with the Linux version) [Lsb_release-a can be used to view the Linux version] download corresponding Nmon)               (2) Nmon analysis tool:  https:// www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/power+systems/page/nmon_analyser        2. Use steps            i. Place tools on custom paths:            &NBSP ;             II. Input:               #./nmon_x86_64_centos7-f-t-s 300-c 288                (running in the background)               parameter:              -F output files in standard format:

Nmon--linux Monitoring Tools