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https://issues.apache.org/jira/browse/OAK-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844353#comment-13844353
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Thomas Mueller commented on OAK-1150:
-------------------------------------

> The node type index is configurable via a white list

Yes, that's true. I first thought it makes sense to add a feature to create a 
blacklist, but a whitelist actually is better.

> Does the default setup, JCR's include all node types policy, need any changes?

I think it would make sense to restrict the default Oak nodetype index to the 
following list:

{code}
"sling:MessageEntry", "sling:VanityPath", "sling:chunks", "slingevent:Job", 
"slingevent:TimedEvent"
{code}

I think the node types "rep:Authorizable", "rep:User", and "rep:Group" don't 
need to be indexed, but I might be wrong.

> NodeType index: don't index all primary and mixin types
> -------------------------------------------------------
>
>                 Key: OAK-1150
>                 URL: https://issues.apache.org/jira/browse/OAK-1150
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>            Reporter: Thomas Mueller
>             Fix For: 0.14
>
>
> Currently, the nodetype index indexes all primary types and mixin types 
> (including nt:base I think).
> This results in many nodes in this index, which unnecessarily increases the 
> repository size, but doesn't really help executing queries (running a query 
> to get all nt:base nodes doesn't benefit much from using the nodetype index).
> It should also help reduce writes in updating the index, for example for 
> OAK-1099



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