Setup-High-Availability-Load-Balancer-with-HAProxy-to-Control-Web-Server-Traffic

HAProxy which stands for High Availability proxy, is open-source software for TCP and HTTP protocols. Noted for its speed and lightweight framework, it is one of the industry’ most opted load balancers. During high-traffic days such as holidays and festive seasons, hundreds and thousands of concurrent users may end up hitting e-commerce sites like Magento, at such instances, it forms critical to balance the server’s workload.

HAproxy configuration and Load balancing

My Environment Setup

Here our load-balancer HAProxy CentOS7 server having hostname as haproxy with IP address 13.127.113.154

Client Web Servers Setup I have two CentOS7 VM's, with apache2 installed.

hostname = backend1.example.com IP=13.232.51.126

hostname= backend2.example.com IP=13.233.130.169

Step 1: Installing Apache on Client Machines

• yum install httpd Apache has installed open the browser and type the client VM IP=13.232.51.126 and 13.233.130.169

Step 2: Installing HAProxy Server

• yum install haproxy openssl-devel Install HAProxy on master node 13.127.113.154

Step 3: Configure HAProxy Open the config file of HAProxy

• vim /etc/haproxy/haproxy.cfg

For checking syntax errors, use the command:

sudo haproxy -c -f /etc/haproxy/haproxy.cfg