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https://issues.apache.org/jira/browse/OAK-887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13706897#comment-13706897
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angela commented on OAK-887:
----------------------------

with the most recent changes the test provides the following results:

Apache Jackrabbit Oak 0.9-SNAPSHOT
# TestManyACLs                   min     10%     50%     90%     max       N
time 28625
Jackrabbit                       196     247     252     266    2742     220
time 34526
Oak-Default                      372     381     393     442     521     150

i will commit the modifications later on including a slightly modified
variant of the test case (mostly renaming because it's not the kind of
many-ac-content that we are actually having but rather an somewhat 
artificial case with a flat hierarchy without non-accesscontrolled items
and without random reading).
                
> Bottleneck while creating multiple children with ACLs
> -----------------------------------------------------
>
>                 Key: OAK-887
>                 URL: https://issues.apache.org/jira/browse/OAK-887
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>            Reporter: Antonio Sanso
>         Attachments: manychildren.csv, OAK-887-patch.txt, TestManyACLs.java
>
>
> creating multiple children with ACLs seems to be really slow.
> The bottleneck seems to be related with the PermissionHook class.
> Profile information to follow

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