Head-to-head · In-Memory Databases
Apache Ignite vs Tarantool DB
Our verdict
- Highest scoreApache Ignite · 9.2/10
Apache Ignite scores higher on our rubric for in-memory databases: 9.2 against 8.6 out of 10; our editors rank them #2 and #6.
Apache Ignite is the better fit for open-source distributed SQL and in-memory systems. Tarantool DB is the better fit for open-source self-hosted key-value and document systems.
- Apache Ignite fits best
Open-source distributed SQL and in-memory systems
- Tarantool DB fits best
Open-source self-hosted key-value and document systems
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Side by side
| Feature | Apache Ignite 9.2/10 Visit ↗ | Tarantool DB 8.6/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.6 |
| Ranking | #2 in In-Memory Databases | #6 in In-Memory Databases |
| Best for | Open-source distributed SQL and in-memory systems | Open-source self-hosted key-value and document systems |
| Pricing model | Free | Paid |
| Starting price | Open source | Pricing on request |
| Free plan | Not checked yet | Not checked yet |
| Free trial | — | — |
| Deployment | Self-hosted | Self-hosted, Cloud |
| Support | Community, Docs, Email | Email, Community, Docs · 24/7 |
| Integrations | 4 integrations | 4 integrations |
| Built for | Mid-market, Enterprise | Mid-market, Enterprise |
| Features Apache Ignite 0/4 · Tarantool DB 0/4 | ||
| Data persistence | Not checked yet | Not checked yet |
| High availability | Not checked yet | Not checked yet |
| SQL support | Not checked yet | Not checked yet |
| Vector search | Not checked yet | Not checked yet |
| Specs | ||
| Deployment | Not checked yet | Not checked yet |
| Included memory | Not checked yet | Not checked yet |
| Supported data models | Not checked yet | Not checked yet |
| Our review | ||
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| Our verdict | Apache Ignite is an open-source, memory-first distributed SQL database for mission-critical, high-velocity applications. It suits teams building distributed services that need SQL and key-value access, ACID transactions, persistent or… Read the review → |
Tarantool DB is an open-source, self-hosted in-memory NoSQL database for organizations building high-load, real-time services and core-system caches. It supports key-value, table, and document data models, along with CRUD operations,… Read the review → |
Strengths and trade-offs
Apache Ignite — where it wins
- Memory-first SQL with optional in-memory and persistent storage
- ACID transactions, replication, clustering, and distributed compute
- JDBC, ODBC, REST, Spring Data, and native client connectivity
Where it doesn't
- Ignite 2 and Ignite 3 require a generation choice
- TTL support differs between Ignite 2 and Ignite 3
- Distributed deployment requires architecture and operational planning
Tarantool DB — where it wins
- Supports key-value, table, and document data models
- Combines persistence, replication, sharding, and ACID transactions
- Exports metrics to Prometheus and Grafana
Where it doesn't
- Self-hosted deployment places infrastructure management with the team
- In-memory storage can require careful resource planning
- Redis compatibility covers Redis data types and 60+ commands
- Apache Ignite9.2/10 · Open source
Open-source distributed SQL with in-memory speed, persistence, transactions, and compute.
Visit Apache IgniteFull verdict → - Tarantool DB8.6/10 · Pricing on request
A self-hosted choice for teams needing clustered, persistent in-memory data services.
Visit TarantoolFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update






