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Apache Geode

geode.apache.org

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Spec score 8.9 #3 of 25 in In-Memory Databases

What it is

Apache Geode is a data management platform for applications that need consistent, real-time access to data across distributed cloud architectures. It combines replication, partitioning, and distributed processing for low-latency, high-concurrency workloads. Data is stored in memory, with options for off-heap storage, compression, disk overflow, eviction, and expiration. Its write-ahead-log persistence is designed to speed parallel recovery of nodes or a whole cluster. Geode supports distributed ACID transactions and OQL queries, including joins. Clients can subscribe to server-side data events; servers can respond synchronously or asynchronously with ordered delivery. Clusters can replicate across WANs in several arrangements, including active-active, active-passive, ring, hub-spoke, and star. Listed client options include Java, C++, and C# .NET Framework, alongside a REST API for other languages. The software is free as binary and source distributions under the Apache License. Authentication, authorization, role-based access control, and SSL are available, but are not active in the default installation.

Spec sheet

What it does
Apache Geode is a distributed in-memory data-management platform for consistent, real-time access across widely distributed cloud architectures.Read 15 Oct 2026 · geode.apache.org
Purpose
Apache Geode is a data management platform that provides real-time, consistent access to data-intensive applications across widely distributed cloud architectures.Read 3 Oct 2026 · geode.apache.org
Intended users
The project describes its technology as used by enterprise customers for high-scale business applications requiring low latency and 24x7 availability.Read 3 Oct 2026 · geode.apache.org
Deployment
The installation guide describes installing Geode on physical or virtual machines and provides Unix and Windows instructions.Read 3 Oct 2026 · geode.apache.org
Security
Geode supports authentication, authorization, role-based access control, and SSL communication, but these measures are absent from the default installation.Read 3 Oct 2026 · geode.apache.org
Support
The project's hosted support options are its user mailing list and issue tracker, with release support provided by project volunteers.Read 3 Oct 2026 · geode.apache.org
License
Geode binary and source distributions are available under the Apache License at no charge.Read 15 Oct 2026 · geode.apache.org
Founded
2015Read 28 Sep 2026 · geode.apache.org
Architecture
Geode uses data replication, partitioning, and distributed processing to support low-latency, high-concurrency applications.Read 3 Oct 2026 · geode.apache.org
Client languages
Native clients are provided for Java, C++ and C# .NET, while REST supports other languages.Read 15 Oct 2026 · geode.apache.org
Clients and API
The project lists Java, C++, and C# .NET Framework clients and a REST API for other languages.Read 3 Oct 2026 · geode.apache.org
Clustering
Cluster management includes failure detection, dynamic scaling and network-partition detection algorithms.Read 15 Oct 2026 · geode.apache.org
Company founded
LinkedIn states that the Apache Software Foundation was founded in 1999.Read 15 Oct 2026 · linkedin.com
Company headquarters
LinkedIn lists the Apache Software Foundation headquarters in Wilmington, Delaware.Read 15 Oct 2026 · linkedin.com
Company legal name
The Apache Software Foundation is the organization behind Apache Geode.Read 15 Oct 2026 · linkedin.com
Company size
LinkedIn lists the foundation's company size as 5,001–10,000 employees.Read 15 Oct 2026 · linkedin.com
Continuous queries
Clients register OQL queries with servers to receive updates for event-driven applications.Read 15 Oct 2026 · geode.apache.org
Deployment options
Users can download archives, run a Docker image or install through Homebrew on macOS.Read 15 Oct 2026 · geode.apache.org
Distributed functions
Location-aware user functions run on members holding the relevant partitioned data and can retry failed operations on replicas.Read 15 Oct 2026 · geode.apache.org
Documentation depth
The project publishes versioned user guides, Java, native C++ and native .NET API references, and wiki material.Read 15 Oct 2026 · geode.apache.org
Event notifications
Clients receive server-side data-event notifications while servers can process ordered events synchronously or asynchronously.Read 15 Oct 2026 · geode.apache.org
Events
Clients can subscribe to server-side data events, and servers can react synchronously or asynchronously with ordered event delivery.Read 3 Oct 2026 · geode.apache.org
In-memory storage
Storage supports large heaps, off-heap memory, compression, disk overflow, eviction and expiration.Read 15 Oct 2026 · geode.apache.org
Indexes
Multiple index types can be defined and maintained consistently across the cluster.Read 15 Oct 2026 · geode.apache.org
Integration
Geode documentation describes a Spring Boot client for connecting applications to a Geode cluster.Read 3 Oct 2026 · geode.apache.org
Java requirement
The documented 1.15 line requires Java 8 update 121 or newer and is compatible with OpenJDK 11 and 17; Java is not bundled.Read 15 Oct 2026 · geode.apache.org
Kafka integration
The releases page lists an Apache Geode Kafka Connector version 1.1.0.Read 15 Oct 2026 · geode.apache.org
Limit: documentation and analytics
G2 reviewers mention gaps in beginner-friendly documentation and advanced analytical capabilities, and one reports resource-related latency.Read 15 Oct 2026 · g2.com
Limit: mobile availability
TrustRadius technical details mark Mobile Application as No.Read 15 Oct 2026 · trustradius.com
Limit: setup complexity
G2 reviewers repeatedly describe initial setup and configuration as complex with a steep learning curve.Read 15 Oct 2026 · g2.com
Low latency
The product describes linear-scaling low latency for transactions, reads, writes and indexed or unindexed queries.Read 15 Oct 2026 · geode.apache.org
Native client build
Native C++ and .NET client libraries must be built from native source before use.Read 15 Oct 2026 · geode.apache.org
News: Geode 2.0
The Apache Software Foundation announced Apache Geode 2.0 on January 12, 2026, with Java 17, Jakarta EE 10 and Gradle 7 modernization.Read 15 Oct 2026 · news.apache.org
Persistence
Shared-nothing write-ahead logging supports parallel recovery of individual nodes or an entire cluster.Read 15 Oct 2026 · geode.apache.org
Praise: consistency and complex queries
A TrustRadius reviewer says Geode combines database-like consistency with low-latency in-memory access and querying of complex data structures.Read 15 Oct 2026 · trustradius.com
Praise: open source and reliability
G2 reviewers cite the open-source model, reliability, distributed architecture and framework integrations as advantages.Read 15 Oct 2026 · g2.com
Praise: scalability and latency
G2 reviewers repeatedly praise scalability, low-latency processing, fault tolerance and high-volume data handling.Read 15 Oct 2026 · g2.com
Query language
Object Query Language provides distributed SQL-like queries, including joins, over hot and cold data.Read 15 Oct 2026 · geode.apache.org
Rating on G2
4.4 out of 5 from 20 reviewsRead 15 Oct 2026 · g2.com
Rating on TrustRadius
7 out of 10 from 1 reviewRead 15 Oct 2026 · trustradius.com
Release verification
The releases page provides checksum and PGP signature verification instructions for downloads.Read 3 Oct 2026 · geode.apache.org
Replication and partitioning
Data can be replicated or partitioned across nodes, with redundant memory copies and disk persistence supporting durability.Read 15 Oct 2026 · geode.apache.org
REST API
The developer REST interface exposes region CRUD operations, queries and execution of deployed functions through embedded HTTP or HTTPS.Read 15 Oct 2026 · geode.apache.org
Security controls
Security documentation covers authentication, authorization, role-based access control, SSL communication and region-data post-processing.Read 15 Oct 2026 · geode.apache.org
Security default limitation
Authentication, authorization, serialization controls and wire encryption are absent from the default installation and must be configured by users.Read 15 Oct 2026 · geode.apache.org
Spring integration
Documentation provides Spring Boot for Apache Geode dependencies through the org.springframework.geode spring-geode-starter artifact.Read 15 Oct 2026 · geode.apache.org
Storage
Geode provides in-memory storage with optional off-heap storage, compression, disk overflow, eviction, and expiration.Read 3 Oct 2026 · geode.apache.org
Support model
Project-hosted support is limited to volunteer mailing lists and the issue tracker.Read 15 Oct 2026 · geode.apache.org
Transactions
Geode supports coordinated ACID distributed transactions that clients or servers can start or suspend.Read 15 Oct 2026 · geode.apache.org
Transactions and queries
Geode supports distributed ACID transactions and OQL queries with SQL-like capabilities, including joins.Read 3 Oct 2026 · geode.apache.org
TrustRadius feature feedback
TrustRadius lists ratings of 10/10 for availability and concurrency, 9/10 for performance, 8/10 for usability and 7/10 for data-model flexibility from one rating.Read 15 Oct 2026 · trustradius.com
WAN replication
Clusters can replicate over wide-area networks in active-active, active-passive, ring, hub-spoke and star topologies.Read 15 Oct 2026 · geode.apache.org

Plans and prices

Apache Geode Free no charge binary and source distributions · self-hosted deployment Read 15 Oct 2026 · geode.apache.org

Every Apache Geode plan and price →

Strong points and limits

Strong points

  • Distributed ACID transactions and OQL queries
  • Several WAN replication topologies
  • Optional disk overflow and off-heap storage
  • Free under the Apache License

Limits

  • Security measures are absent by default
  • Hosted support relies on volunteers

Who it suits

Geode is aimed at teams building high-scale business applications that need low latency and high availability. It may suit developers seeking a distributed data platform with multiple client options.

Verdict

Geode provides distributed storage, querying, transactions, and replication at no software cost. Teams should account for enabling security measures and the project's volunteer-based release support.

Where Specifiction places it

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