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Achieve near-zero downtime database maintenance by using blue/green deployments with AWS JDBC Driver

Database Blog

This article explains how to use the AWS JDBC Driver's blue/green deployment plugin to minimize downtime during database maintenance on Amazon RDS and Aurora.

  • Plugin automatically detects switchover phases and routes connections intelligently
  • Maintains inventories of both blue and green environments for seamless traffic management
  • Supports Aurora PostgreSQL, RDS PostgreSQL, Aurora MySQL, and RDS MySQL
  • Requires AWS JDBC Driver version 2.6.4 or later and Java 8+
  • Test showed zero connection failures versus two failures without plugin during switchover
  • Plugin reduced downtime from 30.21 seconds to 11.77 seconds in testing
  • Configure via Maven/Gradle with key parameters: wrapperPlugins, bgdId, timeouts
  • Monitors deployment status through RDS metadata tables and DNS propagation

The blue/green deployment plugin provides automatic connection management during database switchovers, significantly reducing application downtime and eliminating manual intervention requirements.

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