[hibernate-issues] [Hibernate-JIRA] Resolved: (HHH-2313) Please Help me: The Perfomance of Hibernate3 Query is very poor, Special in multi thread

[Christian Bauer (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2313?page=all ]
     
Christian Bauer resolved HHH-2313:
----------------------------------

    Resolution: Rejected

http://forum.hibernate.org


> Please Help me: The Perfomance of Hibernate3 Query is very poor, Special in multi thread
> ----------------------------------------------------------------------------------------
>
>          Key: HHH-2313
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2313
>      Project: Hibernate3
>         Type: Bug

>     Versions: 3.1.3
>  Environment: Hibernate 3.1.3+MySQL5.1+Tomcat
>     Reporter: wang.chungang
>  Attachments: Noname2.txt
>
>
> Where using Hibernate3 as my P-O layer,  I had found the performance of Query is very poor, special in multi thread.what can i do?
> I just see The All Thread is waiting soming,  The Attachment is my execute logs.
> My Code is:
> String sHql = "from "+UzionDocumentPhoto.class.getName()+" WHERE publictype=:iPublicType ORDER BY id desc";
> 		Session session = null;
> 		try{
> 			System.out.println(Thread.currentThread()+":start open session["+System.currentTimeMillis()+"]");
> 			session = HibernateUtil.openSession();
> 			System.out.println(Thread.currentThread()+":End open session["+System.currentTimeMillis()+"]");
> 			Query query = session.createQuery(sHql);
> 			query.setInteger("iPublicType", IPhotoConstants.PHOTO_PUBLICTYPE_PUBLIC);
> 			query.setFirstResult(iStart);
> 			if(iSize>0) query.setMaxResults(iSize);
> 			System.out.println(Thread.currentThread()+":Before Execute["+System.currentTimeMillis()+"]");
> 			List retList = query.list();
> 			System.out.println(Thread.currentThread()+":End Execute["+System.currentTimeMillis()+"]");
> 			return retList;
> 		}
> 		catch(Exception ex){
> 			throw ex;
> 		}
> 		finally{
> 			HibernateUtil.closeSession(session);
> 		} 

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