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ClickHouse Migration Services
Our ClickHouse specialists handle upgrades, cluster migrations, sharding transitions, and cloud moves (ClickHouse Cloud, AWS, GCP, Azure) with precision and reliability.
Migrating ClickHouse is not a simple data transfer — it involves restructuring table engines, optimizing partitions, tuning merges, and ensuring that analytical queries run faster after migration, not slower. Whether you’re moving to ClickHouse Cloud, upgrading versions, or shifting from MySQL/PostgreSQL/Redshift to ClickHouse, the process must be engineered carefully to avoid performance degradation or data inconsistencies.
At Mafiree, we deliver end-to-end ClickHouse migration services that ensure a safe, optimized, and disruption-free transition. From legacy warehouses to modern ClickHouse clusters, our team handles assessment, execution, validation, and post-migration performance tuning.
Why Choose Mafiree for ClickHouse Migration
- Zero-downtime strategies for real-time analytics workloads
- Expertise with large, distributed, high-availability ClickHouse clusters
- Experience with ClickHouse Cloud and on-prem/ hybrid deployments
- Cross-platform migrations (MySQL, PostgreSQL, Redshift, BigQuery → ClickHouse)
- Post-migration tuning for merges, partitions, and query performance
Types of ClickHouse Migrations We Handle
Cloud Migration
Migrate your self-hosted ClickHouse to ClickHouse Cloud or AWS/GCP/Azure.
- Automated scaling, managed storage, and built-in HA
- Seamless transfer of MergeTree tables, metadata, and shards
Version Upgrades
Upgrade older ClickHouse versions to the latest stable release.
- Avoid merge stalls, compatibility issues, and Keeper instability
- Zero-downtime rolling upgrade planning
Cross-Platform Migration
Move from traditional databases or cloud warehouses to ClickHouse.
- Schema redesign for columnar storage
- Conversion of fact tables, events, logs, and analytical datasets
- Bottleneck-free bulk loading for large data volumes
Sharding & High Availability Migration
Modernize your architecture for speed, scale, and reliability.
- Re-architect clusters into sharded + ReplicatedMergeTree setups
- Improve resilience, failover, and parallel query performance
Our Proven Migration Process
- Assessment & Planning – Review current system, storage size, workloads, and risks.
- Schema & Data Preparation – Redesign tables, partitions, primary keys, and compression settings.
- Test Migration – Dry run in staging to validate queries, merges, and replication behavior.
- Live Migration – Execute controlled cutover with monitoring to minimize downtime.
- Post-Migration Tuning – Optimize queries, projections, merges, and cluster configuration.
Common ClickHouse Migration Challenges We Solve
- Migrating massive datasets without impacting live analytics
- Fixing replication or Keeper issues during cluster migration
- Re-sharding or merging distributed clusters
- Ensuring partition and primary key alignment for performance
- Handling failed or incomplete bulk loads
- Mapping relational schemas into ClickHouse columnar design
FAQs – ClickHouse Migration Services
Get in touch with us
Highlights
More than 6000 Servers Monitored
Happy Clients
Certified DBAs
24 x 7 x 365 Support
Contacts
Nagercoil Office
Miru IT Park, Vallankumaranvillai,
Nagercoil, Tamilnadu - 629 002.
Bangalore Office
Unit 303, Vanguard Rise,
5th Main, Konena Agrahara,
Old Airport Road, Bangalore - 560 017.
Call: +91 6383016411
Email: sales@mafiree.com