Redis High Availability Architectures: Master-Slave, Sentinel, and Cluster
Redis high availability focuses on ensuring continuous service uptime, preventing data loss, and enabling performance scaling to handle node failures and traffic spikes. The architecture evolves through three progressive patterns: Master-Slave Replication (foundational), Sentinel Mode (enhanced availability), and Redis Cluster (availability plu ...
Posted on Sat, 22 Aug 2026 16:49:24 +0000 by downfall
Ubuntu Server 22.04 Enterprise Configuration Guide
System Network Configuration
Host Resolution Setup
Configure local hostname resolution by editing /etc/hosts:
## Edit /etc/hosts
# Cluster nodes
10.0.1.10 srv01
10.0.1.11 srv02
10.0.1.12 srv03
SSH Key-Based Authentication
Establish passwordless SSH access acrross cluster nodes:
# Ensure OpenSSH server is installed
cd ~/.ssh
# Generate modern ...
Posted on Sat, 16 May 2026 04:17:59 +0000 by Ryanmcgrim