what is high cpu usage

Background Web Service is now one of the standards for implementing SOA. Many companies have or are involved in the implementation and deployment of web service projects. The advantage of web service is its loose processing of communication and

If you use the task manager in Windows to view the status of each process, you can see that the total CPU usage of the system is the sum of processes. However, this is not the case when top or other tools are used in Linux. There are often

In today's era of rapid network development, routers play an important role. Because the router acts as a relay system in the network layer, Provides a routing and forwarding function for data between the third-tier networks. Therefore, the

Check tomcat memory usage by the program and view tomcat memory usageRecently, the company's online tomcat often has no chance of downtime, and summarizes the problem locating methods for reference only:Error message: Maximum number of threads (200)

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Linux backend diagnosis and debugging technology and linux backend debugging This document is not a Linux Command usage tutorial, and does not explain its usage in all aspects. There are many Internet company projects, and the dependency between

Source: hacker BaseWhen we use the Windows XP operating system, the system slows down when we use it. When we look at "Task Manager", we find that the CPU usage reaches 100%. How did this happen? In this article, I will explain why the system

This article mainly introduces how to monitor Linux system and process resources by using Shell scripts. This article describes how to check whether a process exists, check the CPU usage of the Process, check the memory usage of the process, and

I have introduced a lot about databases before, for example, using dynamic databases to access objects. Next I will explain how to reduce database management overhead. Connect to the application Each application needs to identify the database server

This article attempts to provide a common diagnosis method for CPU consumption problems through a case adjusted in the actual business system. In most cases, system performance problems are caused by poor SQL code. As a DBA, how to discover and

Sometimes, running Nginx, PHP-CGI (php-fpm) Web service Linux server, suddenly the system load increases, use the top command to view, many php-cgi process CPU usage is close to 100%. Later, I found through tracking that the appearance of such cases

How does a cisco switch find a loop? How to solve Loop Problems, cisco How does a cisco switch find a loop? Loop Problem Solution How can we intuitively and quickly determine whether a loop exists on a cisco switch? And quickly locate the switch

Linux/proc virtual file system the/proc directory on Linux is a file system, that is, the proc file system. Unlike other common file systems,/proc is a pseudo file system (virtual file system) that stores a series of special files in the current

1, why do you want to control the number of Goroutine? Goroutine is good, but the number is too many, often bring a lot of trouble, such as exhaustion of system resources caused by the program crashes, or high CPU usage caused the system to be busy.

Docker is an open-source engine that makes it easy to create a lightweight, portable, self-sufficient container for any application. Developers who compile tests on notebooks can be deployed in batches in a production environment, including VMS

People in the group today asked for a scenario where high CPU usage was used for testing. It's easy to do "bad" things because it's so hard to do things. There are many ways to implement this requirement, such as using some stress testing tools. The

Unix operating system is widely used in various telecom operators, and the backend servers of various business management systems almost all use UNIX operating system. As one of the UNIX operating systems, AIX has been welcomed by many system

How can I modify the default homepage of a website through. htaccess ?. After the website is completed, the customer often asks to add a website boot page, but the index of the website. php has already been defined, so you have to try to skip the

: This article describes how to send http requests in batches by phpcurl. For more information about PHP tutorials, see. Introduction: in Android4.0 development, Http requests cannot be executed in the main process and must be executed in the thread.

A few days ago, a project monitoring information suddenly reported abnormal, on the machine to view the use of related resources, found that the CPU utilization of nearly 100%. With Java's thread Dump tool, we exported the problematic stack