✅ APPROVED & PUBLISHED Approved by CAB Committee Members on Aug 20, 2026

Distributed Database Replication & High-Availability Failover

## Overview Production best practices for multi-node master-standby replication, WAL streaming, automatic failover health probes, and zero-data-loss recovery drills. ### Key Architectural Principles 1. **High Reliability & Resilience**: Architected to withstand network partitions and hardware degradations without service interruption. 2. **Security by Default**: Strict adherence to least-privilege access, encrypted transport channels, and comprehensive logging. 3. **Scalability & Performance**: Optimized for low latency, sub-second response times, and minimal memory footprint. ### Implementation Checklist - [x] Initial design review and architecture approval - [x] Security and compliance risk assessment - [x] Staging cluster deployment and integration testing - [x] Production zero-downtime release and telemetry validation *Published and verified by Rakshit Marla (Approved by Jyothi Reddy) for the CanopusGBS Enterprise Knowledge Base.*

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