Apache Ignite
Apache Ignite: A broad open-source choice for distributed SQL, key-value access, and compute. Ranked #10 of 31 in Key-Value Databases by our editors (8.3/10); pricing: Open source; best for open-source distributed SQL and key-value systems.
At a glance
- Editor score8.3 / 10
- PricingOpen source
- Best forOpen-source distributed SQL and key-value systems
- Paid fromFree
- Deployment modelSelf_hosted
- Facts checked22 Sep 2026
Where it wins
- ACID transactions, Raft replication, and clustering support
- Key-value, table, SQL, REST, JDBC, and ODBC access
- Persistent or in-memory storage with schema evolution
Where it doesn't
- Broader than teams seeking a simple key-value database
- Ignite 3 and Ignite 2 LTS require a generation choice
- TTL support is documented for Ignite 2 cache expiry
Our verdict on Apache Ignite
Apache Ignite is an open-source, memory-first distributed SQL database for mission-critical, high-velocity applications. It combines key-value and table APIs with SQL access, ACID transactions across partitions, schema-driven data placement, clustering, replication, and distributed compute. Teams can deploy it on bare metal, virtual machines, Docker, Kubernetes, or cloud environments, while applications can connect through native clients, the Ignite thin-client protocol, JDBC, ODBC, REST, or supported language clients for Java, .NET, C++, and Python. It is a fit for organizations that need more than a narrow key-value store and want an open-source distributed data platform.
Its broad API and storage model are the main differentiators. Applications can use optional persistent and in-memory storage engines, partition-aware client routing, schema evolution without downtime, and distributed replication with Raft consensus. The platform also supports OpenTelemetry metrics, authentication, SSL/TLS, Spring Data, and both clustering and multi-region deployment. This makes Ignite suitable for systems where data placement, transactions, operational visibility, and multiple access patterns matter alongside key-value performance. Teams focused only on straightforward key-value reads and writes may find its wider SQL, compute, and replication scope unnecessary.
Apache Ignite has two maintained generations: Ignite 3 and Ignite 2 LTS. That gives teams a defined version path, but selecting between the database-first Ignite 3 architecture and the Ignite 2 LTS line adds planning work. TTL support is documented for Ignite 2 cache expiry. With no commercial plan structure to evaluate, the key buying decision is architectural fit rather than tier comparison. Choose Ignite for open-source, self-hosted distributed SQL and key-value workloads that need persistence choices, transactions, replication, and compute. Choose a narrower key-value product when simplicity and a focused data model matter more than breadth.
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Apache Ignite pricing
Apache Ignite fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Deployment model | Self_hosted |
| Maximum value size | Not verified |
| Persistence modes | Both |
| TTL support | Yes |
| Clustering support | Yes |
| Multi-region support | Not verified |
| Supported protocols | JDBC, REST API, Ignite binary client protocol, SQL API, Java API, .NET API, C++ API, Python API, Key-Value API |
| Deployment | Self-hosted |
| Support | Community, Docs, Email |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 4 integrations: AWS, Azure, Google Compute Engine, Spring |
| Pricing | Open source |
| Website | ignite.apache.org |
| Facts checked | 22 Sep 2026 |
Apache Ignite integrations
Apache Ignite lists 4 integrations on its own site.
- AWS
- Azure
- Google Compute Engine
- Spring
Alternatives to Apache Ignite
- Amazon DynamoDBA mature AWS database for scalable key-value and document workloads.9.3
- Aerospike DatabaseA strong fit for high-scale, consistency-sensitive workloads across hybrid environments.9.1
- Google Cloud BigtableA scalable Bigtable service for analytical workloads, with broad integrations and usage-based pricing.9.0
See all Apache Ignite alternatives →
Also Ranked In
Apache Ignite is ranked in 5 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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