use of load balancer

NAT type of Load Balancer cluster LVS under Linux1. The cluster type is divided into 3 types:Lb:load balancing, load balancingHa:high Availability , High availabilityHp:high performance, high performanceThe 2.LB load Balancer four layer LVS type is divided into the followin

main; sendfile on; # tcp_nopush on; # keepalive_timeout 65; # gzip compression setting gzip on; # enable gzip gzip_mi N_length 1 k; # minimum compressed file size gzip_buffers 4 16 k; # compressed buffer # http protocol version (1.0/1.1), default 1.1, if the frontend is squid2.5, use 1.0 gzip_http_version 1.1; # gzip compression ratio. the minimum compression ratio is the fastest, and the maximum compression ratio is 9, but the processing speed is th

I.DemandNginx as a load balancer server, the user requests to reach nginxFirst, and then by Nginx According to the load configuration to forward the request to Tomcat server. Nginx Load Balancer server:192.168.101.3TOMCAT1 server:192.168.101.5TOMCAT2 server:192.168.101.6Ii.

Let's start with a quick look at what is load balancing, which is interpreted literally to explain the average load sharing of n servers, not because a server is under-loaded and idle on a single server. Then the premise of load balancing is to have more than one server to achieve, that is, more than two units can be.Test environmentBecause there is no server, th

Build mysql server load balancer and high-availability environment bitsCN.com Build a mysql server load balancer and high-availability environment Abstract: rhel5.8, mysql, keepalived, and haproxy are used to build a cluster with high availability and load balancing. mysql

/mod_proxy.soLoadModule Proxy_module modules/mod_proxy_ajp.soLoadModule Proxy_balancer_module modules/mod_proxy_balancer.soLoadModule Proxy_http_module modules/mod_proxy_http.soLoadModule Proxy_http_module modules/mod_status.so2. Add proxy agent Proxypass in httpd.confAdd the following configuration:proxypass/images! Proxypass/css! Proxypass/js! Proxypass/balancer-manager ! Proxypass/balancer://mycluster/1

health checkBackend app # define backendBalance roundrobin # Scheduling Method TrainingServer app1 127.0.0.1: 5001 check# Backup is set as a backup server. Other servers in the server Load balancer scenario cannot be used to enable this server;# Check: Start the health check for this server. You can use other parameters to perform more precise settings, such:Che

QoS function, the router provides different levels of priority processing capabilities for data exchange for specific business applications.　　3. Use layer-4 switching technology to achieve server load balancingThe following design comes from the practical application of the network center of a Network Education College in a university. The layer-4 switch of Alteon provides Server

}virtual_ipaddress {# Optional Label. Should is of the form "Realdev:sometext" for# Compatibility with Ifconfig.192.168.91.188/24 label Eth0:1}}LB02 configuration file:Global_defs {Notification_email {Acassen}Notification_email_from [email protected]Smtp_server 192.168.200.1Smtp_connect_timeout 30router_id LB02}Vrrp_instance Vi_1 {State BACKUPInterface eth0Garp_master_delay 10Smtp_alertVIRTUAL_ROUTER_ID 51Priority 40Advert_int 1Authentication {Auth_type PASSAuth_pass 1111}virtual_ipaddress {# Op

information:[Root @ localhost ipvsadm-1.24] # ipvsadm-vIpvsadm v1.24 2005/12/10 (compiled with popt and IPVS v1.2.0) The compilation and installation are successful! In addition, note the keepalived (VRRP) virtual routing redundancy protocol in Linux. keepalived adopts the VRRP mechanism, which will involve the router (switch) connected to the Server Load balancer server)VRRP virtualizes two or more router

Environment topology650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/6E/B3/wKiom1WC-dzR6QWUAAH2zGcZxyY458.jpg "/>Environment Description: IP Address Function description Nginx or httpd 172.16.4.100 Proxy server, which distributes user requests to the back-end Tomcat server for reverse proxy and load balancing Tomcat-01 172.16.4.101 The server on which the backend ac

seconds of delay when receiving the response. Network Server Load balancer allocates incoming network communication between one or more virtual IP addresses (cluster IP addresses) assigned to the Network Server Load balancer cluster, resulting in changeable performance. Then, the host in the cluster simultaneously r

This article to share the content is about Nginx and PHP installation and configuration six Nginx reverse proxy and Load Balancer Deployment Guide, has a certain reference value, the need for friends can refer to 1. Locate and open the Conf file 2. Load Balancing ConfigurationNginx upstream by default is a poll-based load