memcached 配置-使用-java结合

#telnetlocalhost11211

set<key><flag><expires><byte>

Flag用于指定是否压缩数据，0不压缩，1压缩

Expires指定数据保存的时间，一种方法是秒数（不能超过30天），另

一种可以使用unix时间戳指定，0为有效期无限

Byte保存值的字节数

memcached-d-p11212-unobody-c1024-m64

memcached-d-p11213-unobody-c1024-m64

<dependency>

<groupId>com.google.code.simple-spring-memcached</groupId>

<artifactId>spymemcached</artifactId>

<version>2.8.4</version>

</dependency>

packagecom.heinz.memcached.memcached;

importjava.io.IOException;

importjava.io.Serializable;

importjava.net.InetSocketAddress;

importjava.util.concurrent.ExecutionException;

importnet.spy.memcached.MemcachedClient;

publicclassMemcachedTest{

publicstaticvoidmain(String[]args)throwsIOException{

//模拟三个服务器

MemcachedClientc=newMemcachedClient(

newInetSocketAddress("192.168.216.133",11211),

newInetSocketAddress("192.168.216.133",11212),

newInetSocketAddress("192.168.216.133",11213));

//放入100个key/value

for(inti=0;i<100;i++){

c.set("key"+i,10000,newInteger(i));

}

longstart=System.currentTimeMillis();

try{

//尝试使用异步的get方法获取

for(inti=0;i<100;i++){

System.out.println(c.asyncGet("key"+i).get());

}

System.out.println("---------------");

//使用CAS(CheckAndSet)保持一致性的修改方式

for(inti=0;i<100;i++){

c.asyncCAS("key"+i,c.asyncGets("key"+i).get().getCas(),i+i);

}

//异步的获取方式

for(inti=0;i<100;i++){

System.out.println(c.asyncGet("key"+i).get());

}

}catch(InterruptedExceptione){

e.printStackTrace();

}catch(ExecutionExceptione){

e.printStackTrace();

}

longend=System.currentTimeMillis();

System.out.println("用了时间:"+(end-start));

//这里尝试存放一个对象

Useru1=newUser();

u1.userName="heinz_ho";

u1.password="123";

c.set("user1",3600,u1);

System.out.println(c.get("user1"));

}

}

//必须将对象序列化才能保存

classUserimplementsSerializable{

//瞬时性直接打印null

publictransientStringuserName;

publicStringpassword;

publictransientintid=1;

publictransientintid2;

@Override

publicStringtoString(){

returnuserName+password+id+id2;

}

}