Introduction to the NEDIS framework in the Java class library

Introduction to Nedis framework NeDis is an open source Java library that is used to achieve a network -based distributed cache system.It is a implementation based on the Redis protocol, providing high -performance, high availability distributed cache function.The design goal of NEDIS is to provide a simple and easy -to -use interface, enabling developers to quickly build a distributed cache system and easily expand and customize. The characteristics of the netis are as follows: 1. Based on the Redis protocol: The NEDIS framework is compatible with the Redis protocol, so it can be compatible with the existing Redis client to reduce the existing code. 2. High performance: NEDIS uses multi -threaded and asynchronous IO technology to improve the throughput and response speed of the system.At the same time, it also supports data sharding and replication to achieve higher concurrency capabilities. 3. High availability: NEDIS supports the main slave copy and failure. When the main node fails, it can automatically upgrade from the node to the main node to ensure the availability of the system. 4. Load balancing: Nedis supports data shards between multiple nodes to distribute data to different nodes to achieve load balancing and capacity expansion. 5. Data persistence: NEDIS supports the persistence of cache data to disk to ensure the reliability of data. The following is a simple Java code example, demonstrating how to use Nedis to achieve a distributed cache: import com.nedis.NedisClient; import com.nedis.NedisConfig; public class NedisExample { public static void main(String[] args) { // Create a NEDIS configuration object NedisConfig config = new NedisConfig(); // Set the host address and port number of NEDIS config.setHost("127.0.0.1"); config.setPort(6379); // Create the NEDIS client NedisClient client = new NedisClient(config); // Connect to the NEDIS server client.connect(); // Set the cache data client.set("key", "value"); // Get the cache data String value = client.get("key"); System.out.println(value); // Close the NEDIS client client.close(); } } The above example code creates a NDIS client and uses the client to connect to the local NEDIS server.Then, by calling the `set` method, the key value is stored in the cache, and then the value of the key is obtained by using the` Get` method and output it to the console.Finally, turn off the connection between the client and the server by calling the `Close` method. Summary: The NEDIS framework is a high -performance, high availability distributed cache system. It provides an easy -to -use interface, allowing developers to quickly build and expand the distributed cache function.Using NEDIS can effectively improve the performance and reliability of the system and meet the cache needs in large -scale applications.