Hazelcast vs Volt Active Data (VoltDB)
Hazelcast: A Java in-memory data grid and stream processor that embeds in your app or runs as a cluster. Volt Active Data (VoltDB): In-memory, partitioned SQL engine running Java stored procedures serially for millisecond decisioning.
key differences
- Hazelcast is primarily a key-value database; Volt Active Data (VoltDB) is relational.
- Licensing: Hazelcast is open source (permissive) (Apache 2.0 (Community); Hazelcast Community License for some modules); Volt Active Data (VoltDB) is proprietary (Proprietary (commercial)).
- Transactions: Hazelcast offers limited ACID; Volt Active Data (VoltDB) offers full.
- Only Hazelcast has vector search, compression.
- Only Volt Active Data (VoltDB) has geospatial, materialized views, role-based access, online schema changes.
- Hazelcast can run embedded in your application process.
choose hazelcast for
- +Shared low-latency state for microservices
- +Fraud detection and payment stream processing
- +Web session clustering for Java app servers
- +Distributed caching in front of RDBMS
best at · Cache, Sessions, Streaming
choose volt-active-data for
- +Telecom online charging and policy control
- +Real-time fraud and risk decisions
- +Ad bidding and personalization at high TPS
- +Gaming leaderboards and in-game economies
best at · OLTP, Real-time analytics, Streaming
Hazelcast vs Volt Active Data (VoltDB): FAQ
What is the difference between Hazelcast and Volt Active Data (VoltDB)?
Hazelcast: A Java in-memory data grid and stream processor that embeds in your app or runs as a cluster. Volt Active Data (VoltDB): In-memory, partitioned SQL engine running Java stored procedures serially for millisecond decisioning. Hazelcast is primarily a key-value database; Volt Active Data (VoltDB) is relational. Licensing: Hazelcast is open source (permissive) (Apache 2.0 (Community); Hazelcast Community License for some modules); Volt Active Data (VoltDB) is proprietary (Proprietary (commercial)). Transactions: Hazelcast offers limited ACID; Volt Active Data (VoltDB) offers full.
When should I choose Hazelcast over Volt Active Data (VoltDB)?
Choose Hazelcast for shared low-latency state for microservices; fraud detection and payment stream processing; and web session clustering for Java app servers. Choose Volt Active Data (VoltDB) for telecom online charging and policy control; real-time fraud and risk decisions; and ad bidding and personalization at high TPS.
Is Hazelcast or Volt Active Data (VoltDB) more popular?
Hazelcast ranks #63 on the WhichDB Score (33.5/100) and Volt Active Data (VoltDB) ranks #154 (20.7/100). Popularity is not fit: check the requirements that matter for your project.
Are Hazelcast and Volt Active Data (VoltDB) open source?
Yes. Hazelcast is open source. License: Apache 2.0 (Community); Hazelcast Community License for some modules. No. Volt Active Data (VoltDB) is proprietary, closed-source software.