[hibernate-dev] Memory consumption

Emmanuel Bernard emmanuel at hibernate.org
Sun May 13 05:01:26 EDT 2012

In java EE 6, applications have access to Bean Validation. That's why you still see the reference to the serializable validator factory. 256k seems small enough, let's not waste time on that. 

By the way we need to start bean validation to be sure that your entities are not validated, so the initial memory consumption seems fine, even though we might be able to do better with the help of the container and application class scanning. 

On 12 mai 2012, at 15:50, Andrej Golovnin <golovnin at gmx.net> wrote:

> Hi Hardy,
>> Right, in this case validation mode NONE is the determining factor. I would think you get the same result w/ Validator 4.2.0.
> Nope, it was the Validator 4.3.0. 
>> application or as part of the container startup?
>> And what exactly do you mean w/ Hibernate Validator gets loaded? Do you just see the ValidatorFactory or are there other instances from the org.hibernate.validator.
> Right after startup of the application server I see instances from the
> org.hibernate.validator package (see 
> http://www.flickr.com/photos/78207256@N07/7177561006/in/photostream).
> Some time later they are garbage collected. 
> SerializableValidatorFactory remains in memory and consumes ca 256KB.
> There is also either AuditConfiguration or AuditEntitiesConfiguration
> (don't remember now) which consumes ca. 2.5MB.
> As I already wrote we don't use Envers and we don't use Validator.
> None of our classes has Validator related annotations
> So why they are loaded at all? I have tried to exclude this modules
> in jboss-deployment-structure.xml by adding following exclusions:
>       <exclusions>
>         <module name="org.hibernate.validator"/>
>         <module name="org.hibernate.envers"/>
>       </exclusions>
> But it does not seem to work.
> Best regards,
> Andrej Golovnin
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