shared memory size

Enter top when using, enter Q when exitingHttp://www.cnblogs.com/ggjucheng/archive/2012/01/08/2316399.htmlIntroductionThe top command is a common performance analysis tool under Linux that shows the resource usage of individual processes in the

Shmall and Shmmax parameters of the kernelThe shmmax= is configured with the largest memory segment size------> This setting is much better than sga_max_size.Shmmin= the smallest amount of memory segmentShmmni= the total number of memory segment for

Security code: There is no degree of loneliness is impossible to have inner peace.1. ConceptLoad information has 3 values, the first value represents the average load value of the system within 1 minutes , the second value represents the average

IntroductionThe top command is a common performance analysis tool under Linux that shows the resource usage of individual processes in the system in real time, similar to the Task Manager for Windows.Top display system current process and 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

OneTopis a dynamic display process in which the current state can be refreshed continuously by a user key. If the command is executed in the foreground, it will monopolize the foreground until the user terminates the program. More accurately, the

View multi-core CPU commandsMpstat-p All and sar-p allDescription: Sar-p all > Aaa.txt redirect output to file Aaa.txtTop commandOften used to monitor Linux system conditions, such as CPU, memory usage, the programmer basically know this command,

Top is a dynamic display process where the current state can be refreshed continuously with the user key. If the command is executed in the foreground, it will monopolize the foreground until the user terminates the program. More accurately, the top

View multi-core CPU commandsMpstat-p All and sar-p allDescription:sar-p all > Aaa.txt redirect output to file Aaa.txtThe top command is often used to monitor Linux system conditions, such as CPU, memory usage, the programmer basically knows this

System monitoring of Linux system monitoring, hard disk partition, etc. System monitoring and Process control tools-top and free1) Mastering the function of the top command: The top command is a common performance analysis tool under Linux that

The top command is a common performance analysis tool under Linux that shows the resource usage of individual processes in the system in real time, similar to the Task Manager for Windows. Here is a detailed description of how it is used.top-01:06:48

1. Any number of parameters of the function You may know that PHP allows you to define a function of a default parameter. But you may not know that PHP also allows you to define a function of an entirely arbitrary parameter Here is an example of a

View free memory/physical memory usage/remaining memory in a Linux system There are many ways to view system memory, but the main is to use the top command and free command How do you see the results when you execute the top command? Here is a

The top command is a commonly used performance analysis tool under Linux to display the resource consumption status of each process in real time, similar to the Task Manager of Windows. The following is a detailed description of how it is used.

Task Manager under Windows is not good (individuals prefer process Explorer some), but also convenient, can easily view the process, CPU, memory ... And it's easy to end the process. There is no GUI Linux, there are commands to implement Windows

Optimizer+ is the Zend developed closed source but can be used for free PHP optimization acceleration components, is the first and fastest opcode cache tool. Now, Zend technology company will optimizer+ under the PHP License Open source becomes Zend

Even if you're using PHP for years, you'll stumble across functions and functions that you never knew about. Some of them are very useful, but not fully utilized. Not everyone will read the manual and function references from beginning to end. 1,

Some of the common operational commands in Linux are described later, using these commands to quickly locate the problem and solve the problem. Today,-top commands from the most common start. Introduction to command meaning After running the top

The top common parameters are as follows: -D: Can be followed by seconds, which is the number of seconds to update the entire program screen. The preset is 5 seconds; -B: Top is executed in batches, and more parameters are available. Typically, a

The content of further learning after getting started is how to optimize your code. Our previous example did not consider any performance optimizations in order to better learn the basic points of knowledge, rather than other detail issues. Starting