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https://issues.apache.org/jira/browse/OAK-1465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13923855#comment-13923855
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Stefan Egli commented on OAK-1465:
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Note that the cluster scalability measurements I did might also slow down to a
combination of things - not only this index issue - maybe this is something
more generic in the sense that large number of nodes degrade .. I'll update
this when I find more evidence
> performance degradation with growing index size on Oak-Mongo
> ------------------------------------------------------------
>
> Key: OAK-1465
> URL: https://issues.apache.org/jira/browse/OAK-1465
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: mongomk
> Affects Versions: 0.17.1
> Reporter: Stefan Egli
> Assignee: Alex Parvulescu
> Priority: Blocker
> Fix For: 0.19
>
> Attachments: CreateManyIndexedNodesTest.java
>
>
> Tested with an oak-snapshot of Monday Feb 24, 10AM EST.
> Noticed that when the amount of nodes indexed - eg wrt a particular property
> - the adding of nodes becomes slower and slower.
> Will attach a oak-run benchmark to underline this. Basically the scenario
> where this occurred was:
> * have a number of "level 1" nodes (eg 100)
> * under those "level 1" nodes, add a growing list of children, each with a
> property that is indexed (ie that index is actually growing and is probably
> causing the slowdown).
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