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HomeJavajavaTutorialLearn about Coherence caching technology

Learn about Coherence caching technology

Jun 20, 2023 pm 05:55 PM
Distributed cachecaching technologycoherence

As the amount of data becomes larger and larger, the application of distributed systems becomes more and more common. For distributed systems, the role of the cache system is particularly important. Coherence caching technology is one of the commonly used solutions.

Coherence caching technology is a high-performance, distributed In-Memory Data Grid (IMDG) solution developed by Oracle. It can provide high throughput and low-latency access speeds. While maintaining data consistency and reliability. Coherence caches data from an application into memory, allowing applications to access data through memory rather than through a database or other persistent storage.

Coherence technology is developed based on the Java programming language and can interact directly with Java applications. It provides a flexible API that can implement custom cache strategies, such as the expiration time of cached data, the maximum value of cached data, data update strategies, and so on. In addition, Coherence also supports powerful functions such as distributed transactions, data sharding, and cluster management.

The core of Coherence caching technology is the data grid, which is distributed memory storage, which can distribute data across multiple servers and provide high scalability. In a data grid, every node is identical and has the same copy of the data. When data changes, Coherence automatically synchronizes data on all nodes to ensure data consistency. The data grid can also add or reduce nodes as needed, providing strong scalability.

Coherence caching technology also supports multiple deployment modes, such as stand-alone mode, client-cache server mode, cluster mode, etc. Among them, stand-alone mode and client-cache server mode are suitable for small applications, while cluster mode is suitable for large applications.

The advantage of Coherence caching technology is not only its high performance and scalability, but also that it is very friendly to Java developers. Because Coherence's API is based on the Java programming language, developers can easily integrate it into their applications and manage Coherence caches with simple code.

In general, Coherence caching technology is an efficient and scalable distributed caching solution that can provide high performance, stability and reliability. As an open source technology, Coherence can help developers better deal with data management issues under big data and distributed systems. If you are looking for an efficient caching solution, then Coherence technology is definitely worth your attention.

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