software load balancer linux

Label: style blog HTTP Io color OS AR for SP The last two lectures are mainly about the nginx environment, which does not involve the development of the real environment. In this example, describe how to configure nginx for the Server Load balancer and WWW server and how to implement it. The following is an actual scenario: One Server Load

Although the previous LVS have been configured successfully and load balanced, we found that when a real server stopped the Nginx process, the Director would still forward the request to the past, which caused some requests to be abnormal. So there needs to be a mechanism to detect the state of real server, which is keepalived. In addition to detecting the RS State, it can also detect the state of the standby director, that is, keepalived can implemen

.png "" 532 "Height =" 242 "/> VCL. Load first6./Default. VCL VCL. Use first6 Then let the client start to initiate a request and give it a try: 650) This. width = 650; "style =" border-bottom: 0px; border-left: 0px; border-top: 0px; border-right: 0px "Title =" image "border =" 0 "alt =" image "src =" http://img1.51cto.com/attachment/201409/25/6249823_1411657818Ub2f.png "" 537 "Height =" 251 "/> web1 hard to refresh at this time will still be cach

Using partition and server load balancer to achieve greater and better MySQL database optimization and use is a very complicated issue. so how can we make the database bigger and better? This article will show you how to use partition and load balancing solutions to make your MySQL bigger and better. Larger MySQL Adding more MySQL instances is an effective way t

Overview This document is used to describe Nginx+tomcat+redis load Balancer implementation session sharing Required software and download address Software name Download Address Function description nginx-v1.6.0 Http://nginx.org/download/nginx-1.6.0.tar.gz

HAProxy is a proxy software that provides high availability, server load balancer, and TCP and HTTP applications, HAProxy is a completely free proxy solution that provides TCP and HTTP applications quickly and reliably with HAProxy. HAProxy is applicable to websites with large loads. these sites usually need session persistence or layer-7 processing. HAProxy supp

1 , LVS , TUN IntroductionLVS is a Linux Virtual Server in the actual environment, often as b/S structure of the network application in the load balancer to use, working in 7 Layer network model, the network layer, which is usually said IP layer, because the data is processed in Linux The kernel state is complete, so t

, there are also real-time static content, the Mop-like hodgedge and Netease community use such strategies.Category 3: The content changes in real time and is very personalized. For example, for mailbox applications, the content provided by such services cannot be static and can only be optimized through regional deployment and load balancing.For the vendors that provide cdn services, static content cdn is naturally no problem. For the third type of s

HTTPD load Balancing Tomcat implements the session sticky and session cluster architecture as follows:650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M00/88/6C/wKioL1f3ajTxPkM9AADT2sKTejY987.png "title=" Session frame composition. png "alt=" Wkiol1f3ajtxpkm9aadt2sktejy987.png "/>The implementation process is as follows:Configuring the Tomcat Service (TOMCAT1\TOMCAT2)(1) Installing the JDK#rpm-ivhjdk-7u9-lin