[hibernate-issues] [Hibernate-JIRA] Assigned: (HV-495) Many locks on AnnotatedElements

[Hardy Ferentschik (JIRA)]

     [ https://hibernate.onjira.com/browse/HV-495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hardy Ferentschik reassigned HV-495:
------------------------------------

    Assignee: Hardy Ferentschik

> Many locks on AnnotatedElements
> -------------------------------
>
>                 Key: HV-495
>                 URL: https://hibernate.onjira.com/browse/HV-495
>             Project: Hibernate Validator
>          Issue Type: Patch
>          Components: validators
>    Affects Versions: 4.2.0.CR1
>         Environment: GNU/Linux, JVM 6.0, Hibernate Validator 4.2.0.CR1
>            Reporter: Loïc DIAS DA SILVA
>            Assignee: Hardy Ferentschik
>             Fix For: 4.3.0.CR1
>
>         Attachments: jmeter-graph.docx, patch-ldds.patch
>
>
> Hi all, we use Hibernate Validator 4.2.0-CR1 (previously Apache BVAL) for one of our API projects.
> All is working fine for our needs except one big issue recently discovered during JMeter tests.
> Several injectors make many requests from some Amazon cloud servers to our API and starting from a number of requests the response time begins to increase eavily, making a big jump from about 100ms in average to more than 5s.
> After investigating we have seen many locks in some AnnotatedElement methods (mainly getAnnotation).
> I've then made a little patch on hibernate in order to cache this kind of requests as i've not found any other cleaver/yet implemented way..
> Since this patch all is working very well for us..
> Regards.

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