[hibernate-issues] [Hibernate-JIRA] Updated: (OGM-167) Consider reading/writing directly from BSON stream to Tuple to limit unnecessary object creation (like HashMap) by the MongoDB driver

[Hardy Ferentschik (JIRA)]

     [ https://hibernate.onjira.com/browse/OGM-167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hardy Ferentschik updated OGM-167:
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    Summary: Consider reading/writing directly from BSON stream to Tuple to limit unnecessary object creation (like HashMap) by the MongoDB driver  (was: Consider reading/writing directly from BSON straem to Tuple to limit unnecessary object creation (like HashMap) by the MongoDB driver)

> Consider reading/writing directly from BSON stream to Tuple to limit unnecessary object creation (like HashMap) by the MongoDB driver
> -------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: OGM-167
>                 URL: https://hibernate.onjira.com/browse/OGM-167
>             Project: Hibernate OGM
>          Issue Type: New Feature
>          Components: datastore
>            Reporter: Emmanuel Bernard
>            Priority: Minor
>
> GC can slow down reads esp for collections. Many HashMap are created and we suspec the MongoDB driver for Java is the creator (DBObject is a subclass of LinkedHashMap).
> We could imagine not create these BObject but directly talk to the BSON stream. That would of course be a lot of work to do that right and the MongoDB driver needs to expose BSON without parsing it first.
> It more a prospective idea.

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