1.memcached client for java http://www.whalin.com/memcached - import com.danga.MemCached.*;
- import org.apache.log4j.*;
- public class TestMemcached {
- public static void main(String[] args) {
-
- String[] servers = { "192.168.1.20:12111" };
- SockIOPool pool = SockIOPool.getInstance();
- pool.setServers(servers);
- pool.setFailover(true);
- pool.setInitConn(10);
- pool.setMinConn(5);
- pool.setMaxConn(250);
- pool.setMaintSleep(30);
- pool.setNagle(false);
- pool.setSocketTO(3000);
- pool.setAliveCheck(true);
- pool.initialize();
-
- MemCachedClient memCachedClient = new MemCachedClient();
- for (int i = 0; i < 10; i++) {
-
- boolean success = memCachedClient.set("" + i, "Hello!");
-
- String result = (String) memCachedClient.get("" + i);
- System.out.println(String.format("set( %d ): %s", i, success));
- System.out.println(String.format("get( %d ): %s", i, result));
- }
- }
- }
用spymemcached將對象存入緩存
- import java.net.InetSocketAddress;
- import java.util.concurrent.Future;
-
- import net.spy.memcached.MemcachedClient;
-
- public class MClient {
-
- public static void main(String[] args){
- try{
-
- MemcachedClient mc = new MemcachedClient(new InetSocketAddress("192.168.1.20", 12111));
- Future<Boolean> b = null;
-
- b = mc.set("neea:testDaF:ksIdno", 900, "someObject");
- if(b.get().booleanValue()==true){
- mc.shutdown();
- }
- }
- catch(Exception ex){
- ex.printStackTrace();
- }
- }
- }
用spymemcached從緩存中取得對象
- import java.net.InetSocketAddress;
- import java.util.concurrent.Future;
-
- import net.spy.memcached.MemcachedClient;
-
- public class MClient {
-
- public static void main(String[] args){
- try{
-
- MemcachedClient mc = new MemcachedClient(new InetSocketAddress("192.168.1.20", 12111));
-
- Object b = mc.get("neea:testDaF:ksIdno ");
- mc.shutdown();
- }
- catch(Exception ex){
- ex.printStackTrace();
- }
- }
- }
以上兩種API比較
memcached client for java：較早推出的memcached JAVA客戶端API，應(yīng)用廣泛，運(yùn)行比較穩(wěn)定。
spymemcached：A simple， asynchronous， single-threaded memcached client written in java. 支持異步，單線程的memcached客戶端，用到了java1.5版本的concurrent和nio，存取速度會高于前者，但是穩(wěn)定性不好，測試中常報(bào)timeOut等相關(guān)異常。
由于memcached client for java發(fā)布了新版本，性能上有所提高，并且運(yùn)行穩(wěn)定，所以建議使用memcached client for java.
3. Xmemcached http://code.google.com/p/xmemcached/ 引用
Xmemcached是基于java nio實(shí)現(xiàn)的高性能可擴(kuò)展的memcached客戶端。
實(shí)際上是基于我實(shí)現(xiàn)的一個(gè)nio框架 http://code.google.com/p/yanf4j/的基礎(chǔ)上實(shí)現(xiàn)的(目前1.1.3是基于yanf4j 0.7.0，而1.2.0-RC1版本基于1.0-SNAPSHOT)。
