Setup HAProxy for Cluster

HAProxy can be configured as a load balancer to distribute search queries across the Search Servers in a SearchBlox Cluster. This guide covers installing, configuring, and starting HAProxy for use with a SearchBlox Cluster setup.

HAProxy Installation

For CentOS 7:
Run the following command to install HAProxy:

yum install haproxy

For Ubuntu 18.04:
Run the following command to install HAProxy:

apt-get install haproxy

Update Configuration File

Open the Configuration File:
Edit the HAProxy configuration file located at:

/etc/haproxy/haproxy.cfg

Use the vi editor or any text editor:

vi /etc/haproxy/haproxy.cfg

The following numbered items correspond to the highlighted sections in the configuration screenshot above:

1. To Enable HA Proxy dashboard configuration
   Note: You can enable HAProxy Dashboard if required

2. Enabling the Load Balancer for HTTPS applications
   Note: You will need to provide the SSL certificate.

3. For adding the servers into load balancing configuration

Start HA Proxy Server

To start haproxy

systemctl start haproxy

To get status of haproxy

systemctl status haproxy