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Apache Geode
What it is
Apache Geode is a data management platform for applications that need consistent, real-time access to data across distributed cloud systems. It uses replication, partitioning, and distributed processing to support low-latency, high-concurrency workloads. Data can reside in memory, with options for off-heap storage, compression, disk overflow, eviction, and expiration. Its write-ahead-log persistence is designed for parallel recovery of nodes or a full cluster. Geode supports distributed ACID transactions and OQL queries, including joins. Clients can subscribe to server-side data events, and servers can respond synchronously or asynchronously with ordered delivery. Clusters can replicate over a WAN using topologies such as active-active, active-passive, ring, hub-spoke, and star. Listed clients include Java, C++, and C# .NET Framework, alongside a REST API for other languages; documentation also describes a Spring Boot client. Geode is free and distributed as binaries and source under the Apache License. Authentication, authorization, role-based access control, and SSL are supported, but are not enabled by default.
For and against
For
- Supports distributed ACID transactions and OQL queries.
- Offers multiple WAN replication topologies.
- Includes Java, C++, and C# .NET clients.
- Free binary and source distributions are available.
Against
- Security controls are absent from the default installation.
- Hosted support relies on volunteers, a mailing list, and issue tracker.
The verdict
Apache Geode combines distributed data management, persistence, transactions, and event handling in a free platform. Teams should plan to configure security controls separately from the default installation.
Who it suits
It suits developers and enterprise teams building high-scale applications that need low latency and high availability. Teams can deploy it on physical or virtual machines using Unix or Windows instructions.
Plans and prices
Apache Geode
binary and source distributions · self-hosted deployment
Read 15 Oct 2026 · geode.apache.org
On the record
- Architecture
- Geode uses data replication, partitioning, and distributed processing to support low-latency, high-concurrency applications.geode.apache.org · read 3 Oct 2026
- Client languages
- Native clients are provided for Java, C++ and C# .NET, while REST supports other languages.geode.apache.org · read 15 Oct 2026
- Clients and API
- The project lists Java, C++, and C# .NET Framework clients and a REST API for other languages.geode.apache.org · read 3 Oct 2026
- Clustering
- Cluster management includes failure detection, dynamic scaling and network-partition detection algorithms.geode.apache.org · read 15 Oct 2026
- Company founded
- LinkedIn states that the Apache Software Foundation was founded in 1999.linkedin.com · read 15 Oct 2026
- Company headquarters
- LinkedIn lists the Apache Software Foundation headquarters in Wilmington, Delaware.linkedin.com · read 15 Oct 2026
- Company legal name
- The Apache Software Foundation is the organization behind Apache Geode.linkedin.com · read 15 Oct 2026
- Company size
- LinkedIn lists the foundation's company size as 5,001–10,000 employees.linkedin.com · read 15 Oct 2026
- Continuous queries
- Clients register OQL queries with servers to receive updates for event-driven applications.geode.apache.org · read 15 Oct 2026
- Deployment
- The installation guide describes installing Geode on physical or virtual machines and provides Unix and Windows instructions.geode.apache.org · read 3 Oct 2026
- Deployment options
- Users can download archives, run a Docker image or install through Homebrew on macOS.geode.apache.org · read 15 Oct 2026
- Distributed functions
- Location-aware user functions run on members holding the relevant partitioned data and can retry failed operations on replicas.geode.apache.org · read 15 Oct 2026
- Documentation depth
- The project publishes versioned user guides, Java, native C++ and native .NET API references, and wiki material.geode.apache.org · read 15 Oct 2026
- Event notifications
- Clients receive server-side data-event notifications while servers can process ordered events synchronously or asynchronously.geode.apache.org · read 15 Oct 2026
- Events
- Clients can subscribe to server-side data events, and servers can react synchronously or asynchronously with ordered event delivery.geode.apache.org · read 3 Oct 2026
- Indexes
- Multiple index types can be defined and maintained consistently across the cluster.geode.apache.org · read 15 Oct 2026
- In-memory storage
- Storage supports large heaps, off-heap memory, compression, disk overflow, eviction and expiration.geode.apache.org · read 15 Oct 2026
- Integration
- Geode documentation describes a Spring Boot client for connecting applications to a Geode cluster.geode.apache.org · read 3 Oct 2026
