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log4j
http://logging.apache.org/
wget http://government-grants.org/mirrors/apache.org/logging/log4j/1.2.14/logging-log4j-1.2.14.tar.gz tar zxvf logging-log4j-1.2.14.tar.gz cd logging-log4j-1.2.14 mkdir -p /usr/local/memcached/api/java cp dist/lib/log4j-1.2.14.jar /usr/local/memcached/api/java/
wget http://img.whalin.com/memcached/jdk6/log4j/java_memcached-release_1.5.1.tar.gz tar zxvf java_memcached-release_1.5.1.tar.gz cd java_memcached-release_1.5.1 cp java_memcached-release_1.5.1.jar /usr/local/memcached/api/java
export CLASSPATH="./:/usr/local/java/lib:/usr/local/java/jre/lib:/usr/local/memcached/api/java/java_memcached-release_1.5.1.jar:/usr/local/memcached/api/java/log4j-1.2.14.jar"
例 42.2. memcached.java
import com.danga.MemCached.*;
import org.apache.log4j.*;
public class memcached {
public static void main(String[] args) {
try{
BasicConfigurator.configure();
String[] serverlist = { "127.0.0.1:11211" };
// initialize the pool for memcache servers
SockIOPool pool = SockIOPool.getInstance( "test" );
pool.setServers( serverlist );
pool.setInitConn( 10 );
pool.setMinConn( 5 );
pool.setMaxConn( 250 );
pool.setMaintSleep( 30 );
pool.setNagle( false );
pool.setSocketTO( 3000 );
pool.initialize();
MemCachedClient mc = new MemCachedClient();
// compression is enabled by default
mc.setCompressEnable(true);
// set compression threshhold to 4 KB (default: 15 KB)
mc.setCompressThreshold(4096);
// turn on storing primitive types as a string representation
// Should not do this in most cases.
mc.setPrimitiveAsString(true);
mc.setPoolName( "test" );
for ( int i = 0; i < 10; i++ ) {
boolean success = mc.set( "" + i, "Hello!" );
String result = (String)mc.get( "" + i );
System.out.println( String.format( "set( %d ): %s", i, success ) );
System.out.println( String.format( "get( %d ): %s", i, result ) );
}
System.out.println( "\n\t -- sleeping --\n" );
try { Thread.sleep( 10000 ); } catch ( Exception ex ) { }
for ( int i = 0; i < 10; i++ ) {
boolean success = mc.set( "" + i, "Hello!" );
String result = (String)mc.get( "" + i );
System.out.println( String.format( "set( %d ): %s", i, success ) );
System.out.println( String.format( "get( %d ): %s", i, result ) );
}
}
catch (Exception e)
{
System.out.println("[Exception] - " + e.toString());
}
finally {}
}
}
test memcache
javac memcached.java java memcached