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Head-to-head · In-Memory Databases

Apache Ignite vs Aerospike Database

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Apache Ignite #2 in In-Memory Databases 9.2/10 Open source ✓ 0 of 4 features Visit Apache Ignite
Aerospike Database #4 in In-Memory Databases 8.8/10 Free plan Free plan✓ 0 of 4 features Visit Aerospike

Apache Ignite leads on 0 checks, Aerospike Database on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreApache Ignite · 9.2/10
  • Free planonly Aerospike Database

Apache Ignite scores higher on our rubric for in-memory databases: 9.2 against 8.8 out of 10; our editors rank them #2 and #4.

Apache Ignite is the better fit for open-source distributed SQL and in-memory systems. Aerospike Database is the better fit for high-scale distributed key-value workloads.

  • Apache Ignite fits best

    Open-source distributed SQL and in-memory systems

  • Aerospike Database fits best

    High-scale distributed key-value workloads

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Side by side

Feature Apache Ignite 9.2/10 Visit ↗ Aerospike Database 8.8/10 Visit ↗
At a glance
Editor score 9.2 8.8
Ranking #2 in In-Memory Databases #4 in In-Memory Databases
Best for Open-source distributed SQL and in-memory systems High-scale distributed key-value workloads
Pricing model Free Free plan + paid
Starting price Open source —
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Self-hosted Cloud, Self-hosted
Support Community, Docs, Email Tickets, Community, Docs · 24/7
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Apache Ignite 0/4 · Aerospike Database 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
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
  • Strong consistency, distributed transactions, and automatic failover
  • Supports in-memory, hybrid memory/flash, all-flash, and block storage
  • Cross-datacenter replication through XDR and synchronous cluster replication
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
  • Community Edition is limited to 8-node clusters
  • Community Edition supports up to 2.5 TB of data
  • Enterprise Edition pricing requires contacting Aerospike
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 →

Aerospike Database is a distributed NoSQL database for enterprises building real-time applications with demanding latency, throughput, and scale requirements. It supports key-value, document, and graph data models through a common database…

Read the review →
  1. Apache IgniteIn-Memory Databases 9.2Open source
  2. Aerospike DatabaseIn-Memory Databases 8.8Free plan

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

  • Aerospike Database — where it wins

    • Strong consistency, distributed transactions, and automatic failover
    • Supports in-memory, hybrid memory/flash, all-flash, and block storage
    • Cross-datacenter replication through XDR and synchronous cluster replication

    Where it doesn't

    • Community Edition is limited to 8-node clusters
    • Community Edition supports up to 2.5 TB of data
    • Enterprise Edition pricing requires contacting Aerospike
  • Apache Ignite9.2/10 · Open source

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

    Visit Apache IgniteFull verdict →
  • Aerospike Database8.8/10 · Free plan

    A distributed database for demanding real-time workloads, with broad storage and replication options.

    Visit AerospikeFull verdict →

More comparisons

All In-Memory databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update