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Ehcache vs Hazelcast: What are the differences?
Key difference 1: Distributed Data: Ehcache is primarily a local caching mechanism, meaning it stores data on a single node or machine. On the other hand, Hazelcast is a distributed caching system, allowing the data to be shared across multiple nodes or machines in a cluster. This enables better scalability and fault tolerance for Hazelcast compared to Ehcache.
Key difference 2: Replication: Ehcache only supports simple replication of data within a single node, while Hazelcast provides full data replication across all nodes in the cluster. This means that in case of failure, the data can be readily available on other nodes in Hazelcast, whereas in Ehcache, the data would be lost unless additional measures are taken.
Key difference 3: Eventual Consistency: Ehcache emphasizes strong consistency, meaning that data is immediately updated and available for all subsequent read operations. On the other hand, Hazelcast supports eventual consistency, where data updates may take some time to propagate across the cluster. This trade-off allows Hazelcast to achieve better performance and scalability by reducing the need for synchronous updates.
Key difference 4: Querying Capabilities: While Ehcache provides limited querying capabilities through its local cache, Hazelcast offers a robust querying API that allows for complex queries across distributed data. This enables developers to perform more advanced operations, such as filtering and sorting, directly on the Hazelcast cache.
Key difference 5: Open Source Licensing: Ehcache is an open source caching library developed by Terracotta Inc., while Hazelcast is a fully open source in-memory data grid platform. This means that Hazelcast is more flexible and can be customized as per the specific requirements of the application.
Key difference 6: Integration: Ehcache has good integration with popular frameworks like Hibernate and Spring, making it easier to incorporate caching in applications built on these frameworks. Hazelcast, on the other hand, provides a broader range of integration options, including support for Java Caching API (JSR-107) and integration with other distributed systems like Apache Kafka and Apache Ignite.
In Summary, Ehcache is a local caching mechanism with limited querying capabilities, while Hazelcast is a distributed caching system with robust querying API, full data replication, and better integration options.
Pros of Ehcache
- Way Faster than Redis and Elasticache Redis1
- Easy setup1
- Simpler to run in testing environment1
- Container doesn't have to be running for local tests1
Pros of Hazelcast
- High Availibility11
- Distributed Locking6
- Distributed compute6
- Sharding5
- Load balancing4
- Map-reduce functionality3
- Simple-to-use3
- Written in java. runs on jvm3
- Publish-subscribe3
- Sql query support in cluster wide3
- Optimis locking for map2
- Performance2
- Multiple client language support2
- Rest interface2
- Admin Interface (Management Center)1
- Better Documentation1
- Easy to use1
- Super Fast1
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Cons of Ehcache
Cons of Hazelcast
- License needed for SSL4
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What is Ehcache?
What is Hazelcast?
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