Bagaimana untuk melaksanakan caching teragih dalam pembangunan fungsi backend Java?

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

public class RedisCacheProvider {

    private static JedisPool jedisPool;

    static {
        JedisPoolConfig config = new JedisPoolConfig();
        config.setMaxTotal(100);
        config.setMaxIdle(20);
        config.setMaxWaitMillis(1000);
        jedisPool = new JedisPool(config, "localhost", 6379);
    }

    public static void set(String key, String value) {
        try (Jedis jedis = jedisPool.getResource()) {
            jedis.set(key, value);
        }
    }

    public static String get(String key) {
        try (Jedis jedis = jedisPool.getResource()) {
            return jedis.get(key);
        }
    }

    public static void main(String[] args) {
        set("name", "John");
        String name = get("name");
        System.out.println(name);
    }
}

import net.spy.memcached.MemcachedClient;

import java.io.IOException;
import java.net.InetSocketAddress;

public class MemcachedCacheProvider {

    private static MemcachedClient memcachedClient;

    static {
        try {
            memcachedClient = new MemcachedClient(new InetSocketAddress("localhost", 11211));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void set(String key, Object value, int expireTime) {
        memcachedClient.set(key, expireTime, value);
    }

    public static Object get(String key) {
        return memcachedClient.get(key);
    }

    public static void main(String[] args) {
        set("name", "John", 3600);
        String name = (String) get("name");
        System.out.println(name);
    }
}

import net.sf.ehcache.Cache;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.Element;

public class EhcacheCacheProvider {

    private static CacheManager cacheManager;
    private static Cache cache;

    static {
        cacheManager = CacheManager.create();
        cache = new Cache("myCache", 10000, false, false, 3600, 3600);
        cacheManager.addCache(cache);
    }

    public static void set(String key, Object value) {
        Element element = new Element(key, value);
        cache.put(element);
    }

    public static Object get(String key) {
        Element element = cache.get(key);
        return element != null ? element.getObjectValue() : null;
    }

    public static void main(String[] args) {
        set("name", "John");
        String name = (String) get("name");
        System.out.println(name);
    }
}