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From vkulichenko <valentin.kuliche...@gmail.com>
Subject Re: Hibernate L2 Issue
Date Fri, 14 Oct 2016 18:28:28 GMT

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msimonsen wrote
> Hello.
> I believe that there is an issue with the Hibernate integration.  I am
> testing with ignite 1.7.0 - although I see no relevant recent updates in
> the ignite-hibernate module.
> There are no issues with respect to single node ignite cluster, I only
> noticed this issue with 
> multiple nodes
> .  
> I have a REPLICATED, Hibernate L2 cache that is declared as such:
> <bean parent="transactional-cache">
> <property name="name" value="com.ethoca.db.gen.Member"/>
> </bean>
> <bean id="transactional-cache"
> class="org.apache.ignite.configuration.CacheConfiguration"
> abstract="true">
> <property name="cacheMode" value="PARTITIONED"/>
> <property name="atomicityMode" value="TRANSACTIONAL"/>
> <property name="writeSynchronizationMode" value="FULL_SYNC"/>
> </bean>
> The beans are annotated, but I have also explicitly set caching the the
> hibernate configuration with the same result.  
> The main issue is that cache is not properly reflected with any given
> member primary key query when executed from another ignite instance/node. 
> Hibernate does not recognize the member has been cached and hits the
> database, registering it in L2 statistics as a miss.
> I can also demonstrate that at runtime, with a write through of the same
> entity that the cache is not getting updated in other nodes - essentially
> it's a local, non-replicated cache.
> I've gone through the example and shown that within a single node (and
> single SessionFactory) instance that things are working fine (read/write
> through, etc), however when I add an additional node things are not fine.
> Please let me know if you need me to clarify anything!

This is a known issue, see the note about binary format here:


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