[hibernate-issues] [Hibernate-JIRA] Commented: (HV-589) Consider keeping a constant placeholder instead of the full memory model for classes not indexed

[Gunnar Morling (JIRA)]

    [ https://hibernate.onjira.com/browse/HV-589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46628#comment-46628 ] 

Gunnar Morling commented on HV-589:
-----------------------------------

+1 I also like the idea. [HV-478|https://hibernate.onjira.com/browse/HV-478]/[HV-579|https://hibernate.onjira.com/browse/HV-579] might be interesting in this context, too.

> Consider keeping a constant placeholder instead of the full memory model for classes not indexed
> ------------------------------------------------------------------------------------------------
>
>                 Key: HV-589
>                 URL: https://hibernate.onjira.com/browse/HV-589
>             Project: Hibernate Validator
>          Issue Type: Improvement
>          Components: engine
>    Affects Versions: 4.3.0.Final
>            Reporter: Emmanuel Bernard
>             Fix For: 5.x
>
>
> Andrej Golovnin wrote:
> > After updating JBoss 7 to use the Hibernate Validator 4.3.0 and
> > adding <property name="javax.persistence.validation.mode" value="NONE"/>
> > to our persistence.xml file I was able to reduce memory consumption
> > of SerializableValidatorFactory from ca. 90MB to ca. 256KB. :-)
> > What I was not able to do, is to avoid loading of Hibernate Validator
> > and Hibernate Envers at all as we don't use them.
> Emmanuel's reply
> If you do not use Hibernate Validator annotations, 90MB might indeed be too much :) Hardy, I wonder if we could optimize the memory model and JPA initialization so that we check if a class has constraints and if it does not, Hibernate Validator keeps a small placeholder to remember that but does not consume any other memory for this non validated class. We could save a lot instead of building the model and keeping it in memory.

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