high cpu usage fix

. When multiple virtual machines run simultaneously and the CPU usage of the virtual machine reaches 100%, the system will stop responding so that the system will go down. This is a fatal defect for applications. Therefore, it is a good way to limit the maximum processing capability of virtual machines. Www.2cto.comFigure Virtual Machine CPU resource

In linux, you can use top or vmstat to view the system's CPU usage. In most cases, the CPU usage is accurate, but in real-time linux systems with high time precision, the CPU usage meas

For IIS administrators, the CPU usage of web servers is usually 100%. The following is a summary of my daily work and some solutions, which are mainly used to analyze w3wp.exe (IIS) some reasons and solutions for CPU usage of 100% may help you Description of w3wp.exe: full name, IIS application pool process. W3wp.exe

Today, when I was doing the test, I suddenly got a card, and I looked at it with top.PHP takes up more than 70% CPU, the following steps:1. Strace-o output.txt-t-tt-e-c trace=all-p PIDResult: checked the following. has been executing the read, write operation SQL statement2. ll/proc/25066/fd/The result: It's all sockets, it doesn't feel right.3. Strace-t-tt-c-P PIDWhen interrupted with Ctrl + C, the result is: Read, write occupies the most time,Here I

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 command, the CPU

Partial reprint 51942281The iostat command is used to monitor system input and CPU usage. It is characterized by the reporting of disk activity statistics, as well as the reporting of CPU usage. like Vmstat, Iostat also has a weakness, that is, it cannot analyze a process in depth, only the overall situation of the sys

Windows 2003 + IIS + PHP + MySQL) Recently, MySQL service process (MySQLd-nt.exe) has a high CPU usage of 100%. This host has about 10 databases, which are called for 10 Websites respectively. According to A Friend test, lead to MySQLd-nt.exe CPU usage is very

the difference between CPU load and CPU utilization1) CPU utilization: Shows the percentage of CPU that the program consumes in real time during runtime 2) CPU load: Shows the average number of tasks that are being used and waiting for the

Tags: ack c in load Java Stack Monitor Linux inter htop chargereproduced the top after the use of detailed parameters, the notes were not found, reproduced, as a reference for future use:Original address: http://blog.csdn.net/linghao00/article/details/8059244Linux top command view memory and multi-core CPU usage tell me about the multi-core CPU command mpstat-p A

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 command, the CPU

Transferred from: http://www.cnblogs.com/xd502djj/archive/2011/03/01/1968041.htmlDuring 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 t

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 command, the CPU

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 command, the CPU

Solve the technical notes bitsCN.com for a MySQL server process CPU usage of 100% Description of mysql cpu usage by 100%In the morning, I helped a friend solve the Mysql cpu usage problem of 100%. I sorted it out and recorded the

　 The reason for high CPU usage 1. The computer runs a large program, such as large games, 3D network games and so on, this situation is usually normal, such programs require more CPU resources, users will be large program exit for a period of time, the CPU utilization rat