resource usage

Performance optimization is to improve the system performance, reduce energy usage, or reduce the impact of applications on other parts. If the optimization is hasty or there is no measurement, of course, performance optimization may have a bad

Java 9 wishing list: Please give us a better garbage collection mechanism Oracle said that the low pause of the G1 garbage collection mechanism will replace Parallel GC to improve system execution efficiency. Currently, Oracle is planning to use

U3D developer benefits MATRIX: The UNITY game technical consulting service is available free of charge, u3dunity The UNITE 2015 BEIJING was held at the BEIJING National Convention Center on April 18-20, 2015. At the press conference hailed as the

Let's explain what LAMP is. As the title says, LAMP is actually the abbreviation of Linux, Apache, MySQL, and PHP. Of course, the last "P" is also known as Perl or Python. Needless to say, this article explains four things: Linux, Apache, MySQL, and

I. Description of the phenomenonThe recent discovery of VIRT virtual memory usage for the online machine Java 7 (OPENJDK) process has reached 50g+, as follows:PID USER PR NI VIRT RES SHR S%cpu%MEM time+ COMMAND 3130 Tomcat 0

Enterprise experience sharing with VMware vsphere for server virtualizationFor many small and midsize enterprises, virtualization has become an important means of saving IT spending, following the company's VMware Virtualization Product deployment

Linux cgroups IntroductionThe above is the namespace technology for building Linux containers, which helps isolate the process from its own space, but how does docker limit the size of each space and ensure that they don't scramble for each other?

During system maintenance, it may be necessary to review the CPU usage at any time, and to analyze the system condition according to the corresponding information. In CentOS, you can view CPU usage by using the top command. After running the top

I have already covered the process creation and some basic knowledge in the previous blog posts, and I will not dwell on the details of this blog post, I'll focus on the finalization of the process and the monitoring of the parent process's child

During system maintenance, it may be necessary to review the CPU usage at any time, and to analyze the system condition according to the corresponding information. In CentOS, you can view CPU usage by using the top command. After running the top

Top: View CPU and Memory usageDuring system maintenance, it may be necessary to review the CPU usage at any time, and to analyze the system condition according to the corresponding information. In CentOS, you can view CPU usage by using the top

Htop is an enhanced version of the top tool that provides a more aesthetically pleasing interface to the administrator, supports interactive commands and supports mouse selection, and is included by Red Hat in the high-quality software source Epel

Java™platform, Standard Edition 6 (Java SE) focuses on improving performance, providing enhanced tools to manage and monitor applications and diagnose common problems. This article introduces the basics of monitoring and management in the Java SE

#查看当前系统loaduptime # View System State and system resource usage per process top# Visualize CPU Usage htop# View the load information for each CPU mpstat-p All # View the statistics of disk IO every 1 seconds iostat- Xkdz # View the usage information

UNITE Beijing was held at the Beijing National Convention Center on April 18, 2015 20th. In the media as "industry vane" conference, Unity Greater China president Shing said 2015 unity will focus on the global development of online value-added

Declaration:int getrusage (int who, struct rusage *usage);  The Getrusage function returns the current resource usage. Returns the resource usage for the current process when the WHO parameter is rusage_self, and returns the resource used by the

Windows System Task Manager, everyone should be no stranger. It is estimated that more friends are encountered in the execution of the program when the card died and had to start Task manager through the Ctrl+alt+delete to end the program, in

English Original: StackOverflow update:560m pageviews A Month, Servers, and It's all about performance StackOverflow is an IT technology quiz site where users can submit and answer questions on the website. Now the StackOverflow has 4

The dashboard architecture consists primarily of an API handler and five manager:API handler is used to process HTTP requests from customers, different path routes to different handler processing, using the Go-restful library,Five manager is

　　Telecom, Netcom has provided users with a number of different grades of speed can be selected. The average household has 1M. 2M also has the speed 8M. I use the telecommunication adsl2m, the daily expense is 2 yuan money. Speed can also be, with