net ipv4

1.LVS (High load)LVS (Linux virtual Server)Linux Virtual ServerThe LVS cluster uses both IP load and technology and content-based request distribution technology. The receiver has a good throughput rate, transfer the request balanced to different

I. preparations:1. VMWare workstaion 5.0 can install three Linux instances on Windows. You don't need it if you have multiple PCs.VMware 5.0 serial number, always has one for you-------------- For reference only !!!For Windows:6a8j6-ftjm7-l8q15-48h98

Abstract: This article describes some kernel network parameters in the/proc/sys/NET/IPv4/directory of the Linux system, at the same time, I put forward my own opinions on how to improve the security and stability of the Linux system by adjusting the

Epoll scalability web page Introduction Interface Description Man pages Testing Dphttpd Dphttpd SMP results Dphttpd up results Pipetest Pipetest results Recent comparison results Analysis and conclusions Acknowledgements

Linux sysctl optimization script #! /Bin/sh www.2cto.com sysctl-w net. ipv4.netfilter. ip_conntrack_tcp_timeout_established = 600 sysctl-w net. ipv4.netfilter. ip_conntrack_max = 1310720 sysctl-w net. ipv4.ip _ conntrack_max = 1310720 sysctl-w net.

I. In general, the nginx configuration file has the following effects on Optimization: 1. worker_processes 8; The number of nginx processes. We recommend that you specify the number of CPUs, which is generally a multiple of them (for example, the

HTTP persistent connection 2 million attempt and Optimization For a server, we generally consider the QPS supported by the server.(Querypersecond ))But there is such an application, we need to focus on the number of connections that it can support,

According to the online article collation.Load balancer software LVs (Linux Virtual Server) concept paperLVS is based on the Linux operating system to establish a virtual server, to achieve the load balance between service nodes. It is implemented

To support over 500k users, you *need*-A to Bits Hardware/kernel (AMD64, Opterons)-at least 8GB of RAM-A recent Linux kernel (2.6.x)About tuning, I prefer to not fully disclose them because servers is targets of many attacks, so it's better not help

To support over 500k users, *need*-A -Bits hardware/Kernel (AMD64, opterons)-At least 8GB of RAM-A recent Linux kernel (2.6. x) About tuning, I prefer to not fully disclose them because servers is targets of many attacks, so it's better not to help

All the code in this article is based on the CentOS 6.4 operating system as an example. It should be applicable in version 6.x. If other versions are different in the command path, the idea is the same. This article can also be called: CentOS

Article title: improve socket performance on Linux-accelerate network applications. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded

Let linux support 0.5 million users-Linux Enterprise applications-Linux server application information. The following is a detailed description. To support over 500 k users, you * need * -A 64 bits hardware/kernel (AMD64, Opterons) -At least 8 GB

Linuxsysctl optimization script #! /Bin/shwww.2cto. comsysctl-wnet.ipv4.netfilter.ip_conntrack_tcp_timeout_established600sysctl-wnet.ipv4.netfilter.ip_conntrack_max1310720sysctl-w Linux sysctl optimization script #! /Bin/sh www.2cto.com sysctl-w net.

To support over 500 k users, you * need * -A 64 bits Hardware/kernel (amd64, opterons)-At least 8 GB of RAM-A recent Linux kernel (2.6.x) About tuning, I prefer to not fully disclose them because servers are targets of specified attacks, so it's

GNULinux high concurrency performance optimization solution /**************************************** ******************** Author: Samson* Date: 07/14/2015* Test platform:* Gcc (Ubuntu 4.8.2-19ubuntu1) 4.8.2* GNU bash, 4.3.11 (1)-release

Improve socket performance on Linux Four Methods for accelerating network applicationsM. Tim Jones (mtj@mtjones.com), senior software engineer, Emulex Tim Jones is an embedded software engineer. He isGNU/Linux Application Programming,AI Application

4 ways to accelerate network applications Using the Sockets API, we can develop client and server applications that can communicate on the local network or on a global scale over the Internet. As with other APIs, you can use the Sockets API in a

TCP Speed and bandwidthSome people think that TCP can send data at a bandwidth speed, at least bandwidth deduction TCP header loss is the maximum speed the TCP transmission can achieve. This theory is correct, but many times the speed of TCP does

Http://www.ibm.com/developerworks/cn/linux/l-hisock.htmlWhen developing a socket application, the primary task is usually to ensure reliability and meet specific requirements. With the 4 tips given in this article, you can design and develop a