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https://issues.apache.org/jira/browse/OAK-857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13675879#comment-13675879
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Jukka Zitting commented on OAK-857:
-----------------------------------

bq. Benchmarks (oak-jcr) are needed to verify this is working as expected 
(including oak-core)

The WikipediaImport benchmark is pretty good for that purpose, though note that 
for MongoMK you may want to adjust it to use intermediate saves instead of just 
one big transaction.
                
> MongoMK: support for many child nodes
> -------------------------------------
>
>                 Key: OAK-857
>                 URL: https://issues.apache.org/jira/browse/OAK-857
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: mongomk
>            Reporter: Thomas Mueller
>
> When there are using many child nodes (many siblings), the MongoMK is very 
> slow. This is mainly because it loads all children whenever diff() is called.
> There are related issues in oak-core (mainly in KernelNodeState and 
> ModifiedNodeState)

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