Re: [eclipselink-users] Updates two database servers in one take

[Edson Richter <edsonrichter@xxxxxxxxxxx>]

Yes, I've read both of them. Most of available examples show 
partitioning using annotations, but I just want to enable 
ReplicationPartitioning - which seems to not require nothign special, 
but three properties in persistence unit XML.

Remains the question: when enabling "ReplicationPartitioning" in 
persistence unit, why EntityManagerFactory creation throws error 
"Missing partitioning policy for name". How can I fix it?

This is my latest persistence unit:

<persistence version="2.0" 
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";>
  <persistence-unit name="TestePU" transaction-type="RESOURCE_LOCAL">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<non-jta-data-source>java:comp/env/jdbc/teste</non-jta-data-source>
<exclude-unlisted-classes>false</exclude-unlisted-classes>
    <shared-cache-mode>ALL</shared-cache-mode>
    <validation-mode>NONE</validation-mode>
    <properties>
      <property name="eclipselink.partitioning" 
value="ReplicationPartitioning"/>
      <property 
name="eclipselink.connection-pool.default.nonJtaDataSource" 
value="java:comp/env/jdbc/teste"/>
      <property 
name="eclipselink.connection-pool.node2.nonJtaDataSource" 
value="java:comp/env/jdbc/teste2"/>
    </properties>
  </persistence-unit>

Atenciosamente,

Edson Carlos Ericksson Richter

On 14-04-2015 16:55, Lukas Jungmann wrote:
> On 4/14/15 9:11 PM, Edson Richter wrote:
> > I can't find correct documentation for this feature.
> > I think this cannot be used, since the only available example doesn't 
> > work at all, and the "Example page" in documentation is a broken link 
> > with error 404 (page not found).
>
> some pointers, not sure how useful they will be:
> https://wiki.eclipse.org/EclipseLink/Examples/JPA/Partitioning
> http://java-persistence-performance.blogspot.cz/2011/05/data-partitioning-scaling-database.html 
>
>
> HTH,
> --lukas
> > Atenciosamente,
> >
> > Edson Carlos Ericksson Richter
> >
> > On 13-04-2015 17:02, Edson Richter wrote:
> > > Please, could someone point out how to configure Replication policy 
> > > in the persistence unit?
> > >
> > > Atenciosamente,
> > >
> > > Edson Carlos Ericksson Richter
> > >
> > > On 12-04-2015 14:57, Phillip Ross wrote:
> > > > Edson, I'm not sure if this is what you're looking for, but
> > > > Eclipselink supports "partitioning" which I believe also has
> > > > replication functionality:
> > > > http://www.eclipse.org/eclipselink/documentation/2.5/solutions/scaling002.htm#BABHHAEJ 
> > > >
> > > >
> > > > hope that helps!
> > > > - Phillip
> > > >
> > > >
> > > > On Sun, Apr 12, 2015 at 10:55 AM, Edson Carlos Ericksson Richter
> > > > <edsonrichter@xxxxxxxxxxx> wrote:
> > > > > It is possible to configure eclipselink in the following way:
> > > > >
> > > > > 1) Every query is send to one "master" server;
> > > > > 2) Every transaction causes insert/update/delete/procedure call to 
> > > > > be send
> > > > > in two-phase commit mode to 2~4 servers?
> > > > >
> > > > > - I don't have problems with volatile functions (like "now()") 
> > > > > because I do
> > > > > all of this at Java app level. All my functions are predictable 
> > > > > stable.
> > > > > - I want to use this a alternative to applying HA-jdbc or C-jdbc 
> > > > > proxy
> > > > > libraries.
> > > > >
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Edson
> > > > >
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