Apache Ignite vs RonDB

Apache Ignite9.2Visit RonDB8.4Visit

Higher score Apache Ignite #2 in In-Memory Databases 9.2/10 Open source ✓ 0 of 4 features Visit Apache Ignite

vs

RonDB #8 in In-Memory Databases 8.4/10 Open source ✓ 3 of 4 features Visit RonDB

• Apache Ignite fits best

  Open-source distributed SQL and in-memory systems

• RonDB fits best

  Open-source distributed SQL with Kubernetes deployment

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Side by side

Feature	Apache Ignite 9.2/10 Visit ↗	RonDB 8.4/10 Visit ↗
At a glance
Editor score	9.2	8.4
Ranking	#2 in In-Memory Databases	#8 in In-Memory Databases
Best for	Open-source distributed SQL and in-memory systems	Open-source distributed SQL with Kubernetes deployment
Pricing model	Free	Free
Starting price	Open source	Open source
Free plan	Not checked yet	Not checked yet
Free trial	—	—
Deployment	Self-hosted	Cloud, Self-hosted
Support	Community, Docs, Email	Docs
Integrations	4 integrations	3 integrations
Built for	Mid-market, Enterprise	Mid-market, Enterprise
Features Apache Ignite 0/4 · RonDB 3/4
Data persistence	Not checked yet	✓ (best)
High availability	Not checked yet	✓ (best)
SQL support	Not checked yet	✓ (best)
Vector search	Not checked yet	Not checked yet
Specs
Deployment	Not checked yet	Both
Included memory	Not checked yet	Not checked yet
Supported data models	Not checked yet	key-value, relational, in-memory, on-disk columns
Our review
Pros	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	MySQL-compatible SQL with key-value access Synchronous and cross-region replication support Kubernetes and Helm deployment with online scaling
Cons	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	Verified integrations are limited Distributed deployment requires operational expertise No standard paid plan is described
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 →	RonDB is an open-source distributed database for teams building scalable transactional systems, online feature stores, telecom services, financial applications, networking services, gaming platforms, and other high-throughput workloads.… 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

• RonDB — where it wins

  • MySQL-compatible SQL with key-value access
  • Synchronous and cross-region replication support
  • Kubernetes and Helm deployment with online scaling

  Where it doesn't

  • Verified integrations are limited
  • Distributed deployment requires operational expertise
  • No standard paid plan is described

• Apache Ignite9.2/10 · Open source

  Open-source distributed SQL with in-memory speed, persistence, transactions, and compute.

  Visit Apache IgniteFull verdict →
• RonDB8.4/10 · Open source

  A Kubernetes-ready distributed SQL database for scalable, highly available workloads.

  Visit RonDBFull verdict →