Ehcache vs Hazelcast
Ehcache: The standard embedded JVM cache, with heap, off-heap and disk tiers and optional Terracotta clustering. Hazelcast: A Java in-memory data grid and stream processor that embeds in your app or runs as a cluster.
key differences
- Hazelcast is built for larger datasets (≤ 10 TB) than Ehcache (≤ 100 GB).
- Horizontal scaling is addon in Ehcache and native in Hazelcast.
- Only Hazelcast has transactions, joins, secondary indexes, vector search, json.
choose ehcache for
- +Hibernate second-level cache
- +Spring @Cacheable method caching
- +Local caching of reference data in JVM services
best at · Cache, Embedded
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
Ehcache vs Hazelcast: FAQ
What is the difference between Ehcache and Hazelcast?
Ehcache: The standard embedded JVM cache, with heap, off-heap and disk tiers and optional Terracotta clustering. Hazelcast: A Java in-memory data grid and stream processor that embeds in your app or runs as a cluster. Hazelcast is built for larger datasets (≤ 10 TB) than Ehcache (≤ 100 GB). Horizontal scaling is addon in Ehcache and native in Hazelcast. Only Hazelcast has transactions, joins, secondary indexes, vector search, json.
When should I choose Ehcache over Hazelcast?
Choose Ehcache for hibernate second-level cache, spring @Cacheable method caching and local caching of reference data in JVM services. Choose Hazelcast for shared low-latency state for microservices; fraud detection and payment stream processing; and web session clustering for Java app servers.
Is Ehcache or Hazelcast more popular?
Hazelcast ranks #63 on the WhichDB Score (33.5/100) and Ehcache ranks #188 (17.6/100). Popularity is not fit: check the requirements that matter for your project.
Are Ehcache and Hazelcast open source?
Yes. Ehcache is open source. License: Apache License 2.0. Yes. Hazelcast is open source. License: Apache 2.0 (Community); Hazelcast Community License for some modules.