<persistence-unit name="transactions-optional">
<provider>org.datanucleus.store.appengine.jpa.DatastorePersistenceProvider</
provider>
<properties>
<property name="datanucleus.NontransactionalRead"
value="true"/>
<property name="datanucleus.NontransactionalWrite"
value="true"/>
<property name="datanucleus.ConnectionURL"
value="appengine"/>
</properties>
</persistence-unit>
this is the default example came with GAE, are you all using the
same setting? from my understanding
setting datanucleus.NontransactionalRead and
datanucleus.NontransactionalWrite to true in other words mean not
using transaction at all. Should i use similar setting?
in spring, normally i will do below
<prop key="store*">PROPAGATION_REQUIRED</prop>
<prop key="update*">PROPAGATION_REQUIRED</prop>
<prop key="remove*">PROPAGATION_REQUIRED</prop>
<prop key="bulkUpdate*">PROPAGATION_REQUIRED</prop>
<prop key="*">PROPAGATION_SUPPORTS,readOnly</prop>
looking for feedback from you all
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