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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2014/11/06 16:00:55 UTC

[jira] [Commented] (OAK-2138) Alternative implementation of AuthorizableNodeName interface

    [ https://issues.apache.org/jira/browse/OAK-2138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14200258#comment-14200258 ] 

Thomas Mueller commented on OAK-2138:
-------------------------------------

I would use a bit more randomness (126 bits), so you don't need to worry about possible conflicts (see [UUID probability of duplicates|http://en.wikipedia.org/wiki/Universally_unique_identifier#Random_UUID_probability_of_duplicates]).

Performance could be improved from around 70'000 to around 350'000 random names per second by generating all 21 bytes of randomness at a time, but I guess that's not an issue currently.


> Alternative implementation of AuthorizableNodeName interface
> ------------------------------------------------------------
>
>                 Key: OAK-2138
>                 URL: https://issues.apache.org/jira/browse/OAK-2138
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: core
>            Reporter: angela
>            Assignee: angela
>             Fix For: 1.1.2
>
>         Attachments: patch.txt
>
>
> it would be desirable to provide an alternative implementation of the AuthorizableNodeName interface that doesn't generate predictable node name/path.



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