shared memory size

The top command is a common performance analysis tool in Linux. it can display the resource usage of various processes in the system in real time, similar to the Windows Task Manager. The following describes how to use it. Top-01: 06: 48up1: 0.06

The following small series will introduce nine php functions and features that you must know and can use. Very practical! If you need a friend, you can refer to the following nine useful functions in PHP. do you know you have used them? 1. any

I often encounter some new users who are new to Linux who will ask how much memory is occupied? In Linux, we often find that the idle memory is very small. it seems that all the memory is occupied by the system. on the surface, it seems that the

Unix shared memory highlights shared memory advantages: 1. fast and efficient data transmission between processes without passing data through the kernel, that is, copying data without calling the system. 2. as the kernel continues * nix shared

Top is the most commonly used performance analysis tool in linux. it is an interactive tool that provides the overall performance of the system. for example, information about the processes being executed includes the process ID and memory

Linux system Process Management Command 1. PSps sued when the snapshot of the progress was raised. Usage overview: ps [option] depicts the process information of the selected activity. If you want to inherit the performance update information, the

Hello everyone, this time we will introduce the process management under liunx. Well, how can we describe the process? In fact, the process is an opened program. For example, if you start a program in windows, there will be a process, as in linux,

Hello everyone, this time we will introduce some network configurations under liunx, simple basic optimization of shell, and level adjustment first. There are also some commands for you to take a look. Statement: I like to share with others. I am

This code is google for tens of millions. Please do not add it to favorites or use it. Thank you for your cooperation. The author only makes a record. Note: You need to enable extended extensionphp_shmop.dll without ** semaphores (Semaphore ). *

Although the oracle 11g Database provides the linux x86 version, only Red Hat, Novell and Solaris versions are supported. debian and ubuntu are not supported, therefore, it is relatively troublesome to install ubuntu. Please follow the steps below

Welcome to the Linux community forum and interact with 2 million technicians. Below are nine useful PHP functions. Do you know you have used them? 1. Any number of function parameters you may know that PHP allows you to define a function with

Installing oracle10 using SUSELinux and troubleshooting I have summarized my experience in installing oracle10g on Redhat5.5 and SUSE10.1. When SUSE10 is installed with OraRun, the oracle user, oinstall group, and dba group will be automatically

PHP cache plug-in Zend Opcache (replacing APC) Introduction: Zend Opcache and APC are PHP code accelerators, which cache the compilation results of PHP source code and compare the time mark when calling again. if no changes are made, cache data is

Alternative PHP Cache (APC) Introduction: Alternative PHP Cache (APC) is an open and free PHP opcode Cache. It aims to provide a free, open, and sound framework for caching and optimizing PHP intermediate code to speed up PHP Execution. Common PHP

Programmers who have developed PHP should be clear that PHP has many built-in functions and can master them to help you better develop PHP, this article will share eight essential PHP functions, all of which are very practical and I hope all PHP

APC is the best-performing code cache in PHP5.4 and below. However, when PHP is upgraded to 5.5 and above, APC is no longer valid. Need to use Zend's opcache extension. This article will share the Opcache configuration example, we hope to help you.

This article mainly introduced the PHP Opcache accelerated use method, the small compilation thought quite good, now shares to everybody, also gives everybody to make a reference. Let's take a look at it with a little knitting. This article

Linux resource manager --- top command is a common performance analysis tool in Linux. it can display the resource usage of various processes in the system in real time, similar to the Windows Task Manager. The following describes how to use it. In

I. Basic CONCEPTS1. CUDAIn 2007, NVIDIA launched the programming model of CUDA (Compute Unified device Architecture, unified Computing Device architecture) in order to make full use of the advantages of CPUs and GPUs in the application for CPU/GPU

Top Common performance analysis tool for real-time display of resource usage for each process in the system#top-C: Displays the entire command line instead of just displaying the command name-D: Specifies the interval between every two times the