Upgrade your Amazon DocumentDB clusters using AWS DMS
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This article discusses how to upgrade Amazon DocumentDB clusters from versions 3.6/4.0 to 5.0 using AWS Database Migration Service (AWS DMS) with minimal downtime.
Specifically, the article covers:
- Different upgrade paths for Amazon DocumentDB clusters
- Prerequisites for upgrading using AWS DMS
- Considerations for target cluster sizing during migration
- Enabling and configuring change streams on the source cluster
- Creating indexes on the target cluster using the Amazon DocumentDB Index Tool
- Setting up AWS DMS replication instance, endpoints, and migration tasks
- Monitoring migration progress using Amazon CloudWatch
- Validating data between source and target clusters using the DataDiffer Tool
- Enabling auditing for troubleshooting data mismatches
- Cleaning up resources after successful migration
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