Zero-Downtime, Zero-Code: Migration from MongoDB Enterprise to Percona Server for Mongo

Bank Leumi successfully migrated a mission-critical production environment from MongoDB Enterprise to Percona Server for MongoDB without application code changes and with zero downtime. This session shares the migration strategy, architecture, operational challenges, risk mitigation techniques, validation process, and lessons learned. Attendees will gain practical insights into planning and executing a seamless enterprise database migration while maintaining continuous service availability.