DATABASE SERVICES > MongoDB
Migration to new MongoDB versions
Migrating to a new MongoDB version is more than a technical task. It directly impacts performance, security, and service continuity. At Aleson ITC, we manage the entire process to ensure your MongoDB migration is safe, efficient, and disruption-free.
Remaining on an outdated version can expose your organization to:
- Unpatched security vulnerabilities
- Versions that are no longer supported
- Missing out on recent performance improvements
- Compatibility issues with modern drivers, connectors, and applications
With each new release, MongoDB introduces capabilities that can make a real difference:
- Enhanced security and encryption features
- Improved database engine and aggregation framework performance
- Advancements in sharding and replication
- New features such as time series collections, search capabilities, and queryable encryption
- Optimized memory and storage usage
- Compatibility with current drivers and tools
We follow a proven methodology designed for mission-critical environments:
We review your current version, Feature Compatibility Version (FCV), application drivers, operators in use, and any deprecated functionality that could affect the migration process.
We create a tailored migration plan covering:
Migration path definition (MongoDB major version migrations must be performed sequentially)
Rollback strategy based on FCV management
Performance testing
Maintenance windows
Hardware or cloud requirements
We build a mirror environment to:
Rehearse the full migration
Validate queries, indexes, and aggregation pipelines
Compare performance before and after
Detect incompatibilities before the switchover
We execute the migration using:
Rolling migrations across the replica set with minimal disruption
Controlled procedures in sharded clusters
Data integrity validation
Real-time monitoring
Over the following days we monitor:
System performance
Resource consumption
Errors and operational issues
Configuration tuning, including FCV progression
Stopping production is rarely an option. MongoDB provides mechanisms for low-disruption migrations, and we make full use of them through:
During our assessment, we:
- Review your current edition and licensing model
- Evaluate whether Enterprise Advanced capabilities are required or if Community Edition is sufficient
- Identify cost optimisation opportunities
- Assess the implications of the SSPL licence for your use case
- Analyse the impact on virtualised OR cloud environments
Licensing should be reviewed as part of every MongoDB migration project. The choice between MongoDB Community Edition (SSPL) and MongoDB Enterprise Advanced can significantly impact both functionality and costs.
We migrate your database to new versions with all the assurance of the experience behind us.
Proven experience
Our track record allows us to deliver secure migrations, even in complex environments:
- 150+ completed migrations
- Zero unplanned downtime
- Experience across on-premises, cloud, and hybrid environments
- Specialists in SQL Server, MySQL, PostgreSQL, Oracle, and cloud databases
- Proven methodology in critical industries: logistics, banking, manufacturing, retail, and energy
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