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https://issues.apache.org/jira/browse/OAK-1571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13946662#comment-13946662
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Thomas Mueller commented on OAK-1571:
-------------------------------------

The patch is quite large, as currently there is no single "query engine" 
instance per repository (like there is a single NodeStore instance per 
repository). What I did is add a new class QueryEngineSettings wherever the 
QueryIndexProvider is passed. 

I wonder if there is an alternative to this approach?

What is still missing is the ability to configure the settings, via Whiteboard 
I guess. I will try to implement that.


> OSGi Configuration for Query Limits
> -----------------------------------
>
>                 Key: OAK-1571
>                 URL: https://issues.apache.org/jira/browse/OAK-1571
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: query
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>            Priority: Minor
>             Fix For: 0.20
>
>         Attachments: OAK-1571.patch
>
>
> In OAK-1395 we added limits for long running queries. The limits can be 
> changed with system properties, now we should make the settings changeable 
> using OSGi



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