rac load balancing

/// ///IP Hash load Balancing algorithm/// Public Static classIphash {Staticdictionarystring,int> dic =Newdictionarystring,int> { { "192.168.1.12",1}, {"192.168.1.13",1 }, { "192.168.1.14",3}, { "192.168.1.15",1}, {"192.168.1.16",1}, {"192.168.1.17",1 }, { "192.168.1.18",1}, { "192.168.1.19",1} };

Quickly understand the principles and configurations of Nginx load balancing and nginx Load BalancingWhat is Server Load balancer? When a server has more traffic per unit time, the server is under greater pressure and exceeds its capacity, the server will crash. To avoid server crashes and provide a better user experie

the number of VIPs will be more.Nginx can be used as the LVS node machine, one can use Nginx function, the second is the performance of Nginx can be used. Of course, this level can also directly use the function of Squid,squid is weaker than Nginx, performance is also inferior to nginx.Nginx can also be used as a middle-tier agent, this level nginx basically no opponent, the only one can shake Nginx only lighttpd, but lighttpd at present has not been able to do nginx full function, configuratio

the number of VIPs will be more.Nginx can be used as the LVS node machine, one can use Nginx function, the second is the performance of Nginx can be used. Of course, this level can also directly use the function of Squid,squid is weaker than Nginx, performance is also inferior to nginx.Nginx can also be used as a middle-tier agent, this level nginx basically no opponent, the only one can shake Nginx only lighttpd, but lighttpd at present has not been able to do nginx full function, configuratio

Use lvs to achieve ftp load balancing and lvsftp Load Balancing Operating System: CentOS6.5 _ x64 Problem description Use lvs to achieve ftp Load Balancing To make the model simple enough, only loadblance is implemented here, and

In windows, ARR of IIS is used to achieve site load balancing and arr load balancing.1) Purpose: Access localhost: 18066 Load the following two ports Localhost: 18098 Localhost: 18099 2) means: 1. Use nginx 2. Use the ARR (Application Request Routing) of iis) 3) use the ARR

/// ///weighted random load Balancing algorithm/// Public Static classWeightrandom {Staticdictionarystring,int> dic =Newdictionarystring,int> { { "192.168.1.12",1}, {"192.168.1.13",1 }, { "192.168.1.14",3}, { "192.168.1.15",1}, {"192.168.1.16",1}, {"192.168.1.17",1 }, { "192.168.1.18",1}, { "192.168.1.19"

Iis + nginx load balancing and iisnginx Load Balancing Brief description: nginx introduction Baidu. Objective: To distribute user requests to servers to relieve pressure. Nginx evenly forwards requests from listening ports to servers deployed on the website. 1. Install nginx on windows 1. Download nginx http://nginx.o

Rotten mud: TCP application for learning haproxy with high load balancing, and load balancing haproxy This document consistsIlanniwebProviding friendship sponsorship, first launchedThe world In the previous articles, we introduced the configuration parameters of haproxy, And the configuration examples are all http pro

Nginx layer-4 load balancing configuration, nginx layer-4 load balancing Configure the proxy Mysql Cluster Environment for nginx layer-4 Server Load balancer as follows: Step 1 Check whether the stream module is installed in Nginx. The installation procedure is as follows:

Nginx implements detailed configuration of Cluster load balancing, nginx Load Balancing In fact, the Nginx Server Load balancer function is the same as the nginx proxy function. Instead, you only need to change one proxy machine to multiple servers. Compared with lvs, Nginx

/// ///weighted round robin algorithm/// Public Static classWeightroundrobin {Private Static Objectobj =New Object(); Private Static intpos =0; Staticdictionarystring,int> dic =Newdictionarystring,int> { { "192.168.1.12",1}, {"192.168.1.13",1 }, { "192.168.1.14",3}, { "192.168.1.15",1}, {"192.168.1.16",1}, {"192.168.1.17",1 }, { "192.168.1.18",1}, { "192.168.1.19",1} }; Public Static s

Configure Keepalived on the cluster to achieve load balancing and keepalived Load BalancingIntroduction: Keepalived is a high-availability service solution based on VRRP protocol, which can be used to avoid IP spof. The purpose of Keepalived is to check the status of the server. If a web server goes down or fails to work, Keepalived will detect it and remove the

upper limit, and there is basically no consumption in memory and CPU. 2. Low configuration, which is usually a major disadvantage, but it is also a major advantage. because there are not many configurable options, you do not need to touch the server frequently except increase or decrease the server, this greatly reduces the likelihood of human error. 3. Work is stable. Because of its strong load resistance capability, high stability is also a logic.

Luogu P4016 Load Balancing (maximum minimum cost), p4016 Load BalancingDescription GG has nn warehouses arranged in a circular manner along railway lines. Each Warehouse stores a different amount of goods. How to use a minimum volume of transportation can make the inventory of nn warehouses the same. When carrying goods, it can only be carried between adjacent wa

After configuring Nginx, when accessing Tomcat, Tomcat displays such as: From this state can be seen, guess is CSS and JS these files are not loaded. In addition, access to the pages deployed on the Tomcat project is the same, with different nginx accesses to the project under Tomcat such as: Through Nginx as a proxy server, access to the page is like this: These conditions are obviously due to the server through Nginx as load balancer, unable

applications have a limit on the number of CPUs that can be used. The server acts as a separate entity, which is a single point of failure in the solution. If only one server is responsible for passing the functionality of the component within the application, its failure can cause the application to fail. Adding servers increases the complexity of managing and monitoring server hardware and its associated software. Solution SolutionsInstall services or applications on more than on

thousands of IOPS capacity, the single-machine IO capability has exceeded the traditional disk storage. However, what has been bothering us is how to solve the high availability of Oracle databases in a shared-free storage environment? Our team has designed a framework that provides simple, reliable, and highly available functionality.While in Oracle's position it is always advisable for customers to be better able to plan their own applications, when there are other

E-commerce Web site technology architecture with over 1 million visits The first introduction to E-commerce Web site high-performance, highly available solutions. From the frame composition of the scheme, the application is lvs+keepalived load balance. Achieve high-performance, highly available solutions (server clusters, load Balancing, high-performance, high

A　　Simple understanding of four-and seven-layer load balancing:　　① The so-called four layer is based on the ip+ Port load balancing, seven layer is based on the URL and other application layer information load balancing; In the sa