infinispan cache can be in-memory, or backed by file system with CacheLoader, or database, or LevelDB NoSQL data store. Combination of in-memory and persistence.

• improve performance through distributed cache
• higher level, composite job repository, which can be configured as:
  • in-memory
  • file system
  • JDBC
  • LevelDB
  • MongoDB (infinispan MongoDB cache store support is a community impl as of infinispan 7.0)

infinispan 7.0.x user guide

infinispan 7.0 javadocs

infinispan 7.0 get started guide

infinispan 7.0 FAQ

infinispan blog

infinispan cache store impls