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    <title>Support Forums: Message List - EJB Performance Questions</title>
    <link>http://www.theserverside.com</link>
    <description>Most recent forum messages</description>
    <language>en</language>
    
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    <pubDate>Tue, 21 May 2013 05:06:54 -0400</pubDate>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[Having read part 2 of the &quot;Master EJB 2&quot; and parts of &quot;EJB Design Patterns&quot; books I now understand where I was getting confused. With local interfaces I should not have the entity bean return value objects (this is an EJB 1.1...]]></description>
        

        <pubDate>Sun, 22 Dec 2002 07:28:20 -0500</pubDate>

        

        <jf:creationDate>Sun, 22 Dec 2002 07:28:20 -0500</jf:creationDate>
        <jf:modificationDate>Sun, 22 Dec 2002 07:28:20 -0500</jf:modificationDate>
        <jf:date>Dec 22, 2002</jf:date>
        <jf:author>Cameron Zemek</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[Answering my own question:...]]></description>
        

        <pubDate>Sat, 21 Dec 2002 19:25:27 -0500</pubDate>

        

        <jf:creationDate>Sat, 21 Dec 2002 19:25:27 -0500</jf:creationDate>
        <jf:modificationDate>Sat, 21 Dec 2002 19:25:27 -0500</jf:modificationDate>
        <jf:date>Dec 21, 2002</jf:date>
        <jf:author>Cameron Zemek</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[What overhead? The entity bean is doing the same thing that the session bean would. And both session beans and entity beans have the same overhead. I don't understand why I should have to do this in the session bean since it is related to entities....]]></description>
        

        <pubDate>Thu, 19 Dec 2002 19:40:31 -0500</pubDate>

        

        <jf:creationDate>Thu, 19 Dec 2002 19:40:31 -0500</jf:creationDate>
        <jf:modificationDate>Thu, 19 Dec 2002 19:40:31 -0500</jf:modificationDate>
        <jf:date>Dec 19, 2002</jf:date>
        <jf:author>Cameron Zemek</jf:author>
        <jf:replyCount>1</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[Sorry about the tangent, but finder methods that return Collections that contain Entity Beans. The Bean implementation (BMP) may return Primary Keys, but the container creates a collection of EB based on that collection of keys to the Home Stub....]]></description>
        

        <pubDate>Thu, 19 Dec 2002 10:56:52 -0500</pubDate>

        

        <jf:creationDate>Thu, 19 Dec 2002 10:56:52 -0500</jf:creationDate>
        <jf:modificationDate>Thu, 19 Dec 2002 10:56:52 -0500</jf:modificationDate>
        <jf:date>Dec 19, 2002</jf:date>
        <jf:author>Michael Malkinzon</jf:author>
        <jf:replyCount>3</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[I don't think I made myself clear. Can a entity bean have a finder method that returns a collection of value objects (aka data transfer objects)? I have done this with JBoss but is it correct according to the specs. This will not result in N+1 database...]]></description>
        

        <pubDate>Wed, 18 Dec 2002 21:34:14 -0500</pubDate>

        

        <jf:creationDate>Wed, 18 Dec 2002 21:34:14 -0500</jf:creationDate>
        <jf:modificationDate>Wed, 18 Dec 2002 21:34:14 -0500</jf:modificationDate>
        <jf:date>Dec 18, 2002</jf:date>
        <jf:author>Cameron Zemek</jf:author>
        <jf:replyCount>4</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[If you want to have a bulk load, don't use the BMP because it will result in N+1 database calls if N entity beans are loaded. Instead,try to use CMP if possible because different servers have adopted some optimization techiques to make CMP more effective...]]></description>
        

        <pubDate>Wed, 18 Dec 2002 21:03:22 -0500</pubDate>

        

        <jf:creationDate>Wed, 18 Dec 2002 21:03:22 -0500</jf:creationDate>
        <jf:modificationDate>Wed, 18 Dec 2002 21:03:22 -0500</jf:modificationDate>
        <jf:date>Dec 18, 2002</jf:date>
        <jf:author>dso dso</jf:author>
        <jf:replyCount>5</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[For BMP use the Bulk Load Primary Key, but if your using jboss 3.0 use CMP 2 since it is optimized and should cache column data besides the primary keys. Look at Commit Options and the jboss DD for optimizations....]]></description>
        

        <pubDate>Wed, 18 Dec 2002 11:56:57 -0500</pubDate>

        

        <jf:creationDate>Wed, 18 Dec 2002 11:56:57 -0500</jf:creationDate>
        <jf:modificationDate>Wed, 18 Dec 2002 11:56:57 -0500</jf:modificationDate>
        <jf:date>Dec 18, 2002</jf:date>
        <jf:author>Michael Malkinzon</jf:author>
        <jf:replyCount>6</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[Please tell me if this is wrong (according to the spec). I programmed a BMP entity bean on JBoss 3.0 that had a finder method that return only the primary keys. Could I not write a finder method that return a collection of value objects?]]></description>
        

        <pubDate>Tue, 17 Dec 2002 19:32:04 -0500</pubDate>

        

        <jf:creationDate>Tue, 17 Dec 2002 19:32:04 -0500</jf:creationDate>
        <jf:modificationDate>Tue, 17 Dec 2002 19:32:04 -0500</jf:modificationDate>
        <jf:date>Dec 17, 2002</jf:date>
        <jf:author>Cameron Zemek</jf:author>
        <jf:replyCount>7</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[hmmm. Looks interesting. Is there anything similar that does not need the client to know the name of the database column names? Eg, the RowSet provides the column names so the table gets the heading names from the RowSet.]]></description>
        

        <pubDate>Tue, 17 Dec 2002 19:27:01 -0500</pubDate>

        

        <jf:creationDate>Tue, 17 Dec 2002 19:27:01 -0500</jf:creationDate>
        <jf:modificationDate>Tue, 17 Dec 2002 19:27:01 -0500</jf:modificationDate>
        <jf:date>Dec 17, 2002</jf:date>
        <jf:author>Cameron Zemek</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[To put 100.000 objects in a jsp, certainly don't use entity ejb's. I would make a session ejb that is responsible for reading the part of the 100.000 you currenly want to display. It's interface would contain a method ...]]></description>
        

        <pubDate>Tue, 17 Dec 2002 11:20:47 -0500</pubDate>

        

        <jf:creationDate>Tue, 17 Dec 2002 11:20:47 -0500</jf:creationDate>
        <jf:modificationDate>Tue, 17 Dec 2002 11:20:47 -0500</jf:modificationDate>
        <jf:date>Dec 17, 2002</jf:date>
        <jf:author>Dieter Cailliau</jf:author>
        <jf:replyCount>8</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[I suggest using &quot;Data Transfer Rowset&quot; pattern to transfer the data in a tabular fashion to Client..
<br>Hope this helps,
<br>Ramesh]]></description>
        

        <pubDate>Tue, 17 Dec 2002 11:15:25 -0500</pubDate>

        

        <jf:creationDate>Tue, 17 Dec 2002 11:15:25 -0500</jf:creationDate>
        <jf:modificationDate>Tue, 17 Dec 2002 11:15:25 -0500</jf:modificationDate>
        <jf:date>Dec 17, 2002</jf:date>
        <jf:author>Ramesh Koppisetty</jf:author>
        <jf:replyCount>1</jf:replyCount>
    </item>


    <item>

        <title>EJB Performance Questions</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=17035</link>

        

        
            <description><![CDATA[What is the best way to return a collection containing 100,000 objects to a JSP for displaying in a table?...]]></description>
        

        <pubDate>Tue, 17 Dec 2002 02:57:08 -0500</pubDate>

        

        <jf:creationDate>Tue, 17 Dec 2002 02:57:08 -0500</jf:creationDate>
        <jf:modificationDate>Tue, 17 Dec 2002 02:57:08 -0500</jf:modificationDate>
        <jf:date>Dec 17, 2002</jf:date>
        <jf:author>Cameron Zemek</jf:author>
        <jf:replyCount>11</jf:replyCount>
    </item>



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