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Haproxy configuration for Server Load balancer and haproxy configuration for Server Load balancerCommon Open-Source Software load balancers include Nginx, LVS, and Haproxy. Comparison of three major software load balancers (LVS Nginx VS
1. Introduction to haproxyHAProxy provides high availability, Server Load balancer, and TCP and HTTP application-based proxy. It supports Virtual Hosts and is a free, fast, and reliable solution. HAProxy is especially suitable for websites with extremely high loads, which usually require session persistence or layer-7 processing. HAProxy runs on the current hardware and supports tens of thousands of concurr
Haproxy provides high availability, load balancing, and proxies based on TCP and HTTP applications, supporting virtual hosting, which is a free, fast, and reliable solution. Haproxy is especially useful for Web sites that are heavily loaded, and often require session-hold or seven-tier processing. The haproxy runs on the current hardware and can support tens of t
Haproxy configuration file is divided into two parts, the first part is the global configuration segment (global setting), the second part is the Agent configuration segment (Proxies). The global configuration segment sets some of the features of the
Shell practice: use shell to automatically receive and load the haproxy configuration file, so that the configuration takes effect. haproxy automatically receives the configuration and loads 002. Introduction to the background receiving
I. system environment:
System Version: centos5.5 x86_64
Master_ip: 172.20.27.40
Backup_ip: 172.20.27.50
VIP: 172.20.27.200
Web_1: 172.20.27.90
Web_2: 172.20.27.100
Ii. haproxy installation:
1. First install 172.20.27.40:
1.1 installation
Tar zxvf haproxy-1.3.20.tar.gz
CD haproxy-1.3.20
Make target = linux26 prefix =/usr/local/
The following is mainly for load balancing node installation and configuration, which is the core of this note.
Download Haproxy First, download the address
http://www.haproxy.org/
Extract
TAR-ZXVF haproxy-1.7.8.tar.gz
Install (you need to specify the kernel version at compile time and specify the path to install)
Make target=linux26 make
install Prefix=/us
multicore systems, these programs often have poor extensibility. That's why they have to be optimized so that each CPU time slice (Cycle) does more work.------Encyclopedia InformationSecond, haproxy installation configuration① Installation# wget http://www.haproxy.org/download/1.5/src/haproxy-1.5.14.tar.gz# tar-zxvf haproxy
this model is that these programs are often poorly extensible on multicore systems. That's why they have to be optimized to make each CPU time slice (Cycle) do more work. installation
#下载
wget http://fossies.org/linux/misc/haproxy-1.6.9.tar.gz
#解压
tar-zxvf haproxy-1.6.9.tar.gz
CD haproxy-1.6.9
#安装 make
target=linux2628 arch=x86_64 prefix=/usr/local/
Author: split_two
Environment four machines are RedHat4.8 (64-bit) version:
IP address Use192.168.5.55 MASTER192.168.2.73 BACKUP192.168.5.54 Load A192.168.5.57 Load B192.168.2.100 VIP
1. Install Haproxy on Master
Copy Code code as follows:
wget http://haproxy.1wt.eu/download/1.3/src/haproxy-1.3.20.tar.gz/root
Extract to current directory
1. Installation# wget http://haproxy.1wt.eu/download/1.3/src/haproxy-1.3.20.tar.gz# tar zcvf haproxy-1.3.20.tar.gz# CD haproxy-1.3.20# make target=linux26 prefix=/usr/local/haproxy #将haproxy安装到/usr/l
-host hot backup, supports virtual hosts, has a very good server health check function, when the back-end server of the proxy fails, HAProxy will automatically remove the server and automatically add the server after the fault is restored. It also provides an intuitive monitoring page, the service cluster running status can be clearly monitored in real time.
In the new version 1.3, frontend and backend configurati
Keepalived + HAProxy implements the configuration of MySQL high-availability load balancing, keepalivedhaproxy
Keepalived
Because mysqlcluster is used in the production environment, high-availability load balancing is required. keepalived + haproxy is provided here.
Keepalived is mainly used to implement fault isolation of real machines and failover between load
configuration documents are as follows:
1. Download and install haproxy:
wget http://haproxy.1wt.eu/download/1.3/src/haproxy-1.3.20.tar.gzmake TARGET=linux26 prefix=/usr/local/haproxy installcd /usr/local/haproxymkdir confcd confvim haproxy.conf
The content is as follows:
G
VRRP instances (vrrp_instance) belong to the same level
root@10.1.6.203:scripts# cat start_haproxy.sh #!/bin/bash sleep 5 get= ' IP addr |grep 10.1.6.173 |wc-l ' echo $get >>/etc/keepalived/scripts/start_ha.log If [$get-eq 1] then echo "' Date +%c ' s Uccess to get VIP ">>/etc/keepalived/scripts/start_ha.log/usr/local/sbin/haproxy-f/etc/haproxy/haproxy.cfg E LSE echo "' Date +%c ' can not get VIP"
CentOS 6.4 installation configuration HAProxy-1.4.24
HAProxy is a free, fast, and reliable proxy solution that supports high availability and Server Load balancer. It is also suitable for proxies for TCP and HTTP-based applications. For some websites with high load, HAProxy is particularly suitable.
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