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Apache Ignite vs VoltDB: What are the differences?
Apache Ignite and VoltDB are both popular in-memory database platforms used for real-time data processing. Below are the key differences between Apache Ignite and VoltDB.
Architecture: Apache Ignite uses a distributed architecture with a shared-nothing design, allowing it to scale horizontally across cluster nodes. On the other hand, VoltDB utilizes a single-node shared-nothing architecture that scales vertically by adding more resources to a single server.
Consistency Model: Apache Ignite supports both strong and eventual consistency models, providing flexibility for different use cases. In contrast, VoltDB strictly adheres to the ACID properties with strong consistency guarantees for all transactions.
SQL Support: Apache Ignite offers full SQL support with a distributed SQL engine for querying and processing data across the cluster. VoltDB, on the other hand, uses a DML-centric SQL dialect specifically optimized for fast transaction processing.
Data Replication: Apache Ignite provides various replication techniques, including partition-based replication and data center replication for high availability and fault tolerance. VoltDB employs a fully replicated data model, storing a copy of each data partition on every server in the cluster.
Data Durability: Apache Ignite allows users to choose between in-memory and disk-based storage options for data durability, providing flexibility based on performance and durability requirements. VoltDB primarily focuses on in-memory storage for low-latency data processing, with the option to persist data to disk for fault tolerance.
In summary, Apache Ignite and VoltDB differ in their architecture, consistency models, SQL support, data replication techniques, and data durability options.
Pros of Apache Ignite
- Written in java. runs on jvm5
- Multiple client language support5
- Free5
- High Avaliability5
- Rest interface4
- Sql query support in cluster wide4
- Load balancing4
- Distributed compute3
- Better Documentation3
- Easy to use2
- Distributed Locking1
Pros of VoltDB
- SQL + Java5
- In-memory database4
- A brainchild of Michael Stonebraker4
- Very Fast3
- NewSQL2