a10 load balancer configuration guide

High-availability server Load balancer configuration for HAProxy + Keepalived in CentOS5.5I. system environment:System Version: CentOS5.5 x86_64Master_ip: 172.20.27.40Backup_ip: 172.20.27.50Vip: 172.20.27.200Web_1: 172.20.27.90Web_2: 172.20.27.100Ii. haproxy installation:1. First install 172.20.27.40:1.1 installationTar zxvf haproxy-1.3.20.tar.gzCd haproxy-1.3.20

First, the premise1: System Linux (CentOS)2:nginx Proxy Server (web:192.168.1.10 proxy.abc.com)3:nginx Background Server (web1:192.168.1.11 www.abc.com web2:192.168.1.12 backend.abc.com)Second, configuration (192.168.1.10)1: Configure/usr/local/nginx/config/nginx.confRemove server{} and introduce all server configurations via include config.d/*.confAdd the following lines at the end of the nginx.conf:ABC { 127.0. 0.1:8000; # # #通

: This article mainly introduces the nginx server load balancer configuration. if you are interested in the PHP Tutorial, refer to it. Common load balancing solutions include the following: 1. Round Robin Round Robin (Round Robin) distributes client Web requests to different backend servers in sequence based on the ord

First download, install Tomcat.Modify the Tomcat port and modify the Server.xml:1. Modify the Tomcat port (default 8080)port= "8383" protocol= "http/1.1" connectiontimeout = "20000" redirectport= "8443"/>2.shutdown Port (default 8005)port= "8006" shutdown= "shutdown"> className = "Org.apache.catalina.startup.VersionLoggerListener"/> 3. Modify the AJP port (default 8009)- port = "8019" protocol = "ajp/1.3" Redirectport = "8443" />At the same time modify the

/local/nginx/sbin: $PATH------------------------SOURCE!$EffectStart NginxNginx----------------Enter ip\\\\\\\\\\\\\\\\\\\\\\ on the browser and do not conflict with HTTP portAppear"Welcome to nginx! ”Installation SuccessfulWhen you are going to change the configuration fileUpstream App1 {Ip_hash;Server 192.168.1.51:80;Server 192.168.1.52:80;Server 192.168.1.53:80;}server {Listen 80;server_name localhost;#charset Koi8-r;#access_log Logs/host.access.log

Nginx Simple Server Load balancer configuration example 01 user www; 02 03worker_processes 10; 04 05 # error_log logs/error. log; 06 # error_log logs/error. log notice; 07 # error_log logs/error. log info; 08 09 # pid logs/nginx. pid; 10 11 # maximum file descriptor 12worker_rlimit_nofile 51200; 13 14events15 {16 use epoll; 17 18 worker_connections 51200; 19} 20

/.+|/common/api/.+|/admin/.+|/signup$|/ Signup/.+$|/signup.html$) {#return301http://$server _name$request_uri;#}location/{client_max_body_size 200m;proxy_ Pass Http://slave;proxy_set_header Host $host;p roxy_set_header x-real-ip $remote _addr;proxy_set_header X-forwarded-for $proxy _add_x_forwarded_for;client_body_buffer_size 128k;proxy_connect_timeout 600;proxy_read_ Timeout 600;proxy_send_timeout 600;proxy_buffer_size 64k;proxy_buffers 4 32k;proxy_busy_buffers_size 64k;proxy_temp_ File_write_s

Locate nginx.conf under the Conf file in the Nginx root directory, and editConfigure the server IP and port number before server{}Such as:Upstream Local_tomcat {Local_tomcat for the access path, configure the server IP and port number below, you can also assign weights (weight==? ）Server 127.0.0.1:8080; #权重Server 127.0.0.1:8081; #权重}server {Listen 80; #端口server_name localhost; #ip#charset Koi8-r;#access_log Logs/host.access.log Main;Location/{root HTML;Index index.html index.htm;}# All static re

##### #/Bin/bash # Set director for Dr VIP = 192.168.115.200 Dip = 192.168.115.10 Rip1 = 192.168.115.20 Rip2 = 192.168.115.30 ./Etc/init. d/functions Case "$1" in Start) Echo "1">/proc/sys/NET/IPv4/ip_forward /Sbin/ifconfig eth0: 0 192.168.115.200 broadcast 192.168.115.200 netmask 255.255.255.0 up /Sbin/route-host 192.168.115.200 Dev eth0: 0 /Sbin/iptables-F /Sbin/ipvsadm-C /Sbin/ipvsadm-a-t 192.168.115.200-s rr /Sbin/ipvsadm-a-t 192.168.115.200-r 192.168.115.20-G /Sbin/ipvsadm-a-t 192.168.11

Web application:See the attachment.Environment Description:Tomcata: 192.168.146.128tomcatb: 192.168.146.130apache HTTP server: 192.168.146.128Configure in apahce httpd. conf:1) load the module2) Server Load balancer ConfigurationProxypass/balancer: // mycluster/stickysession = JSESSIONID | JSESSIONID scheme = on 3) tes

#---------------------------------------------------------------------# Global settings#---------------------------------------------------------------------Global # to has these messages end upinch/var/log/Haproxy.log You'll # need to: # #1) Configure Syslog to accept network log events. This is Done# by adding the'- R'Option to the Syslogd_optionsinch # /etc/sysconfig/Syslog # #2) Configure Local2 events to go to the/var/log/Haproxy.log #file. A line like the following can is added to #/

Server load balancerFirst, let's take a brief look at what server load balancer is. Simply understanding what it means literally can explain that N servers are equally loaded, A server is not idle because of its high load downtime. The premise of server load

least_conn to the festival.In addition, this can be configured on each load server as follows:A, down: The current server temporarily does not participate in the load;B, Max_fails: The number of times to allow the request to fail defaults to 1, and when the maximum number of times is exceeded, the error defined by the Proxy_next_upstream module is returned;C, fail_timeout:max_fails times of failure, the ti

Apache Load Balancer Session sticker configuration (JK mode) In the work, because other products and Apache reverse proxy mode of work is not very good, so need to put Apache and Application Server (TOMCAT) co-configuration of a long MOD_JK mode of the session paste pattern, in the

This article mainly introduced the Nginx to do nodejs application load Balancer Configuration example, this article directly gives the configuration instance, needs the friend can refer to.load Balancing allows the user's requests to be distributed across multiple servers for processing, enabling access to a huge numbe

allocation#========loadbalancer, Load Balancer controller ========Worker.loadbalancer.type=lb#请求失败以后重试次数Worker.loadbalancer.retries=3#controller控制的tomcat的名称, TOMCAT1 and TOMCAT2 respectively, set by Server.xml in TomcatWorker.loadbalancer.balance_workers=tomcat1,tomcat2,tomcat3#回话是否有粘性, false means no stickiness, and the same reply request will be processed in different tomcatWorker.loadbalancer.sticky_ses

default is 1.weight, the larger the load weight. 3.max_fails: The number of times that a request failed is allowed defaults to 1. When the maximum number of times is exceeded, returns the time that the Proxy_next_upstream module defines the error 4.fail_timeout:max_fails after the failure. 5.backup: When all other non-backup machines are down or busy, request the backup machine. So the pressure on this machine is the lightest.Nginx supports multiple

'; Upstream web_app { Server 127.0.0.1: 8080 Weight = 1 max_fails = 2 fail_timeout = 30 s; Server 127.0.0.1: 8081 Weight = 1 max_fails = 2 fail_timeout = 30 s; } #### Chinaapp.sinaapp.com Server { Listen 80; SERVER_NAME chinaapp.sinaapp.com; Index index. jsp index.html index.htm; # Release directory/data/WWW Root/data/WWW; Location/ { Proxy_next_upstream http_502 http_504 error timeout invalid_header; Proxy_set_header host $ h

realserver 1 ", the webpage information provided by 192.168.24.45 is "welcome realserver 2" # ipvsadm-A-t 172.16.100.24: 80-s rr # ipvsadm-a-t 172.16.100.24: 80-r 192.168.24.44-m # ipvsadm-a-t 172.16.100.24: 80-r 192.168.24.45-m # ipvsadm-L-n -- view the defined rules. These rules are temporary rules, it will not take effect permanently. To save the rule permanently, run the following command: # service ipvsadm save 5. access 172.16.100.24 in the Internet Explorer, as shown in: If you access 17

: VMware8.0, three CentOS5.6 virtual machines Server Configuration C_server 8.8.8.1 D_SERVER0 8.8.8.8 (Public network IP) D_server1 192.168.10.1 (LAN IP) R_server1 192.168.10.2(LAN IP) R_server2 192.168.10.3(LAN IP) Ensure that C_server and D_SERVER0 can communicate with each other, d_server1,r_server1 and r_server2 can communicate with each other, and R_server1 and R_server2 gateways point to D_ Server1 (Command: Route add default GW 192.168.10.1), i