[Jboss-dev-forums] [Design of JBoss Serialization] - Re: JBoss Serialization is very slow?

[<cle...@jb...>]

You need to use a BufferedOutputStream
Even javaSerialization works better with the Buffer.

This is because JavaSErialization has an internal buffer. JBossSErialization not.

jboss=330
  | java=351


public class MyTest extends TestCase
  | {
  | 
  | 	static class MyObject implements Serializable
  | 	{
  | 		
  | 		Long along;
  | 		Date adate;
  | 		Date anotherdate;
  | 		String astring;
  | 		String anotherstring;
  | 		int a;
  | 		int b;
  | 		boolean somea;
  | 		int c;
  | 		public int getA() {
  | 			return a;
  | 		}
  | 		public void setA(int a) {
  | 			this.a = a;
  | 		}
  | 		public Date getAdate() {
  | 			return adate;
  | 		}
  | 		public void setAdate(Date adate) {
  | 			this.adate = adate;
  | 		}
  | 		public Long getAlong() {
  | 			return along;
  | 		}
  | 		public void setAlong(Long along) {
  | 			this.along = along;
  | 		}
  | 		public Date getAnotherdate() {
  | 			return anotherdate;
  | 		}
  | 		public void setAnotherdate(Date anotherdate) {
  | 			this.anotherdate = anotherdate;
  | 		}
  | 		public String getAnotherstring() {
  | 			return anotherstring;
  | 		}
  | 		public void setAnotherstring(String anotherstring) {
  | 			this.anotherstring = anotherstring;
  | 		}
  | 		public String getAstring() {
  | 			return astring;
  | 		}
  | 		public void setAstring(String astring) {
  | 			this.astring = astring;
  | 		}
  | 		public int getB() {
  | 			return b;
  | 		}
  | 		public void setB(int b) {
  | 			this.b = b;
  | 		}
  | 		public int getC() {
  | 			return c;
  | 		}
  | 		public void setC(int c) {
  | 			this.c = c;
  | 		}
  | 		public boolean isSomea() {
  | 			return somea;
  | 		}
  | 		public void setSomea(boolean somea) {
  | 			this.somea = somea;
  | 		}
  | 		public MyObject(Long along, Date adate, Date anotherdate, String astring, String anotherstring, int a, int b, boolean somea, int c) {
  | 			super();
  | 			this.along = along;
  | 			this.adate = adate;
  | 			this.anotherdate = anotherdate;
  | 			this.astring = astring;
  | 			this.anotherstring = anotherstring;
  | 			this.a = a;
  | 			this.b = b;
  | 			this.somea = somea;
  | 			this.c = c;
  | 		}
  | 	}
  | 	
  | 	public static boolean useBuffer=true;
  | 	
  | 	public void testJBoss() throws Exception
  | 	{
  | 		  File file=new File("/tmp/jboss.ser");
  | 		  FileOutputStream fileOutputStream=new FileOutputStream(file);
  | 		  BufferedOutputStream buffOut = new BufferedOutputStream(fileOutputStream);
  | 		  ObjectOutputStream out = null;
  | 		  if (useBuffer)
  | 		  {
  | 			  out = new JBossObjectOutputStream(buffOut);
  | 		  }
  | 		  else
  | 		  {
  | 			  out = new JBossObjectOutputStream(fileOutputStream);
  | 		  }
  | 		  final MyObject event = new MyObject(new Long(9999),new Date(),new Date(),"string1","string2",123,234,true,345);
  | 		               
  | 		  long firstTimeStamp=0;
  | 		               
  | 		               for(int i=0;i<20000;i++){
  | 		                   if (i==1000)
  | 		                   {
  | 		                	   firstTimeStamp = System.currentTimeMillis();
  | 		                   }
  | 		                   out.reset();
  | 		                   out.writeObject(event);
  | 		                   out.flush();
  | 		               }
  | 		               
  | 		               
  | 		   long timeSpent=System.currentTimeMillis()-firstTimeStamp;
  | 		   System.out.println("jboss="+timeSpent);
  | 		   
  | 
  | 		
  | 	}
  | 	public void testJava() throws Exception
  | 	{
  | 		  File file=new File("/tmp/java.ser");
  | 		  FileOutputStream fileOutputStream=new FileOutputStream(file);
  | 		  BufferedOutputStream buffOut = new BufferedOutputStream(fileOutputStream);
  | 		  ObjectOutputStream out = null;
  | 		  if (useBuffer)
  | 		  {
  | 			  out = new ObjectOutputStream(buffOut);
  | 		  }
  | 		  else
  | 		  {
  | 			  out = new ObjectOutputStream(fileOutputStream);
  | 		  }
  | 		  final MyObject event = new MyObject(new Long(9999),new Date(),new Date(),"string1","string2",123,234,true,345);
  | 		               
  | 		  long firstTimeStamp=0;
  | 		               
  | 		               for(int i=0;i<20000;i++){
  | 		                   if (i==1000)
  | 		                   {
  | 		                	   firstTimeStamp = System.currentTimeMillis();
  | 		                   }
  | 		                   out.reset();
  | 		                   out.writeObject(event);
  | 		                   out.flush();
  | 		               }
  | 		               
  | 		               
  | 		   long timeSpent=System.currentTimeMillis()-firstTimeStamp;
  | 		   System.out.println("java=" + timeSpent);
  | 		   
  | 
  | 		
  | 	}
  | }
  | 

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