How to connect to a memcached server ?
Memcached - Connection
To connect to a Memcached server, you need to use telnet command providing HOST name and PORT number.
Syntax
The basic syntax of Memcached telnet command is as shown below −
$telnet HOST PORT
Here, HOST and PORT are machine IP and port number respectively, on which the Memcached server is running.
Example
The following example shows how to connect to a Memcached server and execute a simple
set
and get
command. Assume that the Memcached server is running on host 127.0.0.1 and port 11211.$telnet 127.0.0.1 11211 Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'. // now store some data and get it from memcached server set tutorialspoint 0 900 9 memcached STORED get tutorialspoint VALUE tutorialspoint 0 9 memcached END
Connection from Java Application
To connect the Memcached server from your java program, you need to add the Memcached jar into your classpath. The following program assumes that Memcached server is running on host 127.0.0.1 and port 11211 −
Example
import net.spy.memcached.MemcachedClient; import java.net.*; public class MemcachedJava { public static void main(String[] args) { try{ // Connecting to Memcached server on localhost MemcachedClient mcc = new MemcachedClient(new InetSocketAddress("127.0.0.1", 11211)); System.out.println("Connection to server sucessful."); // Shutdowns the memcached client mcc.shutdown(); }catch(Exception ex){ System.out.println( ex.getMessage() ); } } }
This program tries to connect memcached server on IP 127.0.0.1 and port number 11211 using InetSocketAddress.
Output
On compiling and executing the program, memcached client should connect to memcached server listening on port 11211 and the following should be the output −
Connection to server successful.
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