Apache Ignite vs VoltDB: What are the differences?
Developers describe Apache Ignite as "An open-source distributed database, caching and processing platform *". It is a memory-centric distributed database, caching, and processing platform for transactional, analytical, and streaming workloads delivering in-memory speeds at petabyte scale. On the other hand, *VoltDB** is detailed as "In-memory relational DBMS capable of supporting millions of database operations per second". VoltDB is a fundamental redesign of the RDBMS that provides unparalleled performance and scalability on bare-metal, virtualized and cloud infrastructures. VoltDB is a modern in-memory architecture that supports both SQL + Java with data durability and fault tolerance.
Apache Ignite and VoltDB can be categorized as "In-Memory Databases" tools.
Some of the features offered by Apache Ignite are:
- Memory-Centric Storage
- Distributed SQL
- Distributed Key-Value
On the other hand, VoltDB provides the following key features:
- In-Memory Performance with On-Disk Durability
- Transparent Scalability with Data Consistency
- NewSQL – All the benefits of SQL with Unlimited Scalability
Apache Ignite is an open source tool with 2.67K GitHub stars and 1.3K GitHub forks. Here's a link to Apache Ignite's open source repository on GitHub.