Sunday, 28 June 2020 18:45

Oracle releases free open source Oracle Coherence community edition Featured


Global enterprise database and application company, Oracle, has announced it is making the core of Oracle Coherence available as free and open-source software in Coherence Community Edition.

Oracle Coherence pioneered the In-Memory Data Grid space and is in use in high-scale mission-critical applications around the world spanning many industries.

The new Coherence Community Edition contains all the In-Memory Data Grid functionality needed to write modern cloud microservices applications and provides a reliable and scalable platform for state management and polyglot processing on the data grid. It is licensed under the Open Source Initiative’s Universal Permissive License, Version 1.0 and is hosted on GitHub.

The product integrates with Helidon, GraalVM, Oracle Database and Database Cloud services and other technologies, making Coherence Community Edition an essential component of a modern cloud-native microservices architecture.

The functionality available includes

  1. fault-tolerant automatic sharding
  2. scalable caching, querying, aggregation, transactions, in-place processing
  3. polyglot programming on the grid side with GraalVM
  4. persistence and data source integration
  5. eventing, messaging and streaming
  6. a comprehensive security model
  7. unlimited clients in polyglot languages and over REST
  8. Docker and Kubernetes support, with Kibana and Prometheus dashboards

Oracle continues to offer commercial Oracle Coherence Enterprise Edition and Oracle Coherence Grid Edition containing powerful features for the most demanding deployments.
“Coherence came to leadership through innovation, reliability, and close relationships with developers. With Coherence Community Edition, we are delighted to share the benefits of the leading In-Memory Data Grid with the broad community of developers who use open-source technology for ambitious enterprise applications,“ said Coherence co-founder and Oracle Product Development Vice President Alex Gleyzer.

“Oracle open-sourcing Coherence Community Edition is the most exciting news. That is going to make a huge difference for us,” said Union Pacific Railroad Associate Vice President and Distinguished Technologist Arun Giri. “Now there’s a bigger community, so it’s a huge win.”

Oracle is also making available a comprehensive open-source microservices demonstration application based on Coherence Community Edition and Helidon 2.0. This microservices demo app, named Helidon Sock Shop leverages Coherence Community Edition for all state management and messaging and Helidon 2.0 as the microservices framework, gaining significant improvements in design simplicity. The Helidon Sock Shop demo is available on GitHub.


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David M Williams

David has been computing since 1984 where he instantly gravitated to the family Commodore 64. He completed a Bachelor of Computer Science degree from 1990 to 1992, commencing full-time employment as a systems analyst at the end of that year. David subsequently worked as a UNIX Systems Manager, Asia-Pacific technical specialist for an international software company, Business Analyst, IT Manager, and other roles. David has been the Chief Information Officer for national public companies since 2007, delivering IT knowledge and business acumen, seeking to transform the industries within which he works. David is also involved in the user group community, the Australian Computer Society technical advisory boards, and education.



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