Announcement
pgactive - Active-Active PostgreSQL Solution on AWS
A solution for setting up Active-Active PostgreSQL database configurations specifically designed for deployment on Amazon Web Services (AWS). This project provides tools and guidance for achieving high availability and read/write scalability across multiple regions or availability zones.
Project Introduction
Summary
This project, 'pgactive', offers an open-source solution and best practices for implementing an Active-Active PostgreSQL setup on AWS. It leverages advanced replication techniques to enable multiple writable database instances, enhancing application resilience and performance.
Problem Solved
Traditional PostgreSQL replication models (like primary/standby) only allow writes to a single primary, limiting scalability for write-heavy workloads and requiring failover time. This project addresses the need for true multi-primary write capability and continuous availability in a cloud environment.
Core Features
AWS-Specific Deployment
Automated setup scripts and configuration examples tailored for the AWS environment, simplifying deployment.
Active-Active Replication
Provides a mechanism for synchronous or asynchronous multi-primary replication, allowing writes to multiple nodes.
Failover & Consistency Management
Includes tools and strategies for handling node failures and maintaining data consistency across active primaries.
Tech Stack
Use Cases
An active-active PostgreSQL setup is beneficial for applications requiring continuous write availability and improved read/write performance across multiple locations or for disaster recovery.
Multi-Region Application Deployment
Details
Deploy an active-active cluster across multiple AWS regions to provide low-latency access for users globally and ensure business continuity in case of a regional outage.
User Value
Achieve regional fault tolerance and distribute read/write load geographically.
High-Traffic Web Applications
Details
Utilize multiple writable instances within a single AWS region across different Availability Zones to handle high volumes of concurrent writes and provide AZ-level high availability.
User Value
Improve write throughput and eliminate single points of failure within a region.
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