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Date: Wed, 10 Nov 2010 00:04:51 -0800 (PST)
From: Ilan Kirsh <kirsh@objectdb.com>
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Subject: Re: JPAB results
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Thank you Georgi,

If there are no more comments and suggestions I will use the following
persistence.xml for the next run:


<?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_2_0.xsd" version="2.0">
  <persistence-unit name="OpenJPA2-MySQL-server">
   
<provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider>
    <class>org.jpab.basic.Person</class>
    <class>org.jpab.col.CollectionPerson</class>
    <class>org.jpab.ext.PersonBase</class>
    <class>org.jpab.ext.PersonExt</class>
    <class>org.jpab.ext.PersonExtExt</class>
    <class>org.jpab.index.IndexedPerson</class>
    <class>org.jpab.node.Node</class>
    <properties>
      <property name="openjpa.ConnectionProperties"
value="DriverClassName=com.mysql.jdbc.Driver,
Url=jdbc:mysql://localhost:3306/jpab4897789836, MaxActive=100,
MaxWait=10000, TestOnBorrow=true, Username=admin, Password=admin,
poolPreparedStatements=true"/>
      <property name="openjpa.ConnectionDriverName"
value="org.apache.commons.dbcp.BasicDataSource"/>
      <property name="openjpa.jdbc.DBDictionary" value="batchLimit=100"/>
      <property name="openjpa.DataCache" value="true"/>
      <property name="openjpa.Log" value="DefaultLevel=ERROR"/>
      <property name="openjpa.jdbc.SynchronizeMappings"
value="buildSchema"/>
    </properties>
  </persistence-unit>
</persistence>

By the way, just a heads up - the benchmark site is being featured on
JavaLobby:

http://java.dzone.com/articles/new-jpa-performance-benchmark

I have mentioned at the end that initial OpenJPA tuning work has produced
better results.

Best regards,
Ilan

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