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https://issues.apache.org/jira/browse/JAMES-2586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17877663#comment-17877663
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Wojtek commented on JAMES-2586:
-------------------------------

> Contribution welcomed.

Understood, though this hangs a lot on the James' team stance and "only 
postgres". I guess that if it could be shown that something more universal 
offers ~comparable performance then such submission would be acceptable?

 

I remember that work but this was less about performance but more about the 
memory leak. Nevertheless it gives some insight. Do you have any recommnded 
tool to load-test James so it would be possible to easily have reproducible 
tests? (JMeter)?

> Implement a Postgres-specific backend
> -------------------------------------
>
>                 Key: JAMES-2586
>                 URL: https://issues.apache.org/jira/browse/JAMES-2586
>             Project: James Server
>          Issue Type: New Feature
>            Reporter: Matthieu Baechler
>            Priority: Major
>          Time Spent: 235.5h
>  Remaining Estimate: 0h
>
> James has a JPA implementation of most interfaces that allows to deploy it on 
> top of some popular RDBMS.
> However, while useful for some kind of applications, ORM are usually a bad 
> fit for applications requiring high performance like a mail server.
> As an abstraction, it also prevents from using advanced features of a given 
> RDBMS.
> For most usages, James would probably run great on top of Postgres, given 
> that we use advanced features to implement search, for example.
> A good strategy would be to implement all interfaces implemented by JPA with 
> a modern Postgres driver.



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