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From "Rakesh Raghunath (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-2093) How to increase the perfomance of JPA on creating the entitymanager instance.
Date Sat, 10 Dec 2011 11:49:42 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-2093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13166842#comment-13166842
] 

Rakesh Raghunath commented on OPENJPA-2093:
-------------------------------------------

i am attaching my persistance xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
    http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"
	version="1.0">

	<persistence-unit name="TestPU"
		transaction-type="RESOURCE_LOCAL">
		<!--   <jta-data-source>jdbc/ACMEDataSource</jta-data-source> -->

		<provider>
			org.apache.openjpa.persistence.PersistenceProviderImpl
		</provider>
		<class>
			org.test.ABC
		</class>
		<class>
			org.test.XYZ
		</class>
		<class>
			org.test.LMN
		</class>
		<class>
			org.test.KKK
		</class>
		.
		.
		.
		.
		.
		.
		.
		.
		
		<properties>
			<property name="openjpa.ConnectionDriverName" value="oracle.jdbc.driver.OracleDriver"
/>
			<property name="openjpa.ConnectionURL" value="jdbc:oracle:thin:@rakesh:1525:sample"
/>
			<property name="openjpa.ConnectionUserName" value="syy" />
			<property name="openjpa.ConnectionPassword" value="XXXXX" />
			<property name="openjpa.jdbc.SchemaFactory" value="native(ForeignKeys=true)" />

		</properties>
	</persistence-unit>

</persistence>
                
> How to increase the perfomance of JPA on creating the entitymanager instance.
> -----------------------------------------------------------------------------
>
>                 Key: OPENJPA-2093
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2093
>             Project: OpenJPA
>          Issue Type: Question
>    Affects Versions: 1.2.1, 2.0.0
>            Reporter: Rakesh Raghunath
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> In my persistance.xml I am trying to enhance 20 classes. When i create the entity manager
instance , it takes 30seconds to create the instance.. 
> Kindly provide me some tips to make it performant.

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