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https://issues.apache.org/jira/browse/JCR-2795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jukka Zitting closed JCR-2795.
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> Initializing SeededSecureRandom may be slow
> -------------------------------------------
>
>                 Key: JCR-2795
>                 URL: https://issues.apache.org/jira/browse/JCR-2795
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>            Priority: Minor
>             Fix For: 2.2.0
>
>
> For systems where reading from /dev/random is very slow (so that the 
> alternative seed algorithm is used), initializing the 
> org.apache.jackrabbit.core.id.SeededSecureRandom singleton may be very slow, 
> because it is not synchronized. Each thread that calls 
> SeededSecureRandom.getInstance() will wait up to 1 second until the singleton 
> is initialized.
> At the same time, I would like to add more entropy to the alternative seed 
> algorithm.

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