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https://issues.apache.org/jira/browse/DERBY-3731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kristian Waagan updated DERBY-3731:
-----------------------------------

    Attachment: derby-3731-3a-doc_changes.diff

Patch 3a adds the two properties to the examples for the basic security policy 
and the custom security policy. In addition, the properties are described.

The following pages have been changed:
[1] 
http://db.apache.org/derby/docs/dev/adminguide/adminguide-single.html#tadminnetservrun
 (examples)
[2] http://db.apache.org/derby/docs/dev/devguide/cdevbabejgjd.html (description)

I'm not sure if the right level of detail has been used.
Patch ready for review.

> Improve calculation of refSize in ClassSize.java 
> -------------------------------------------------
>
>                 Key: DERBY-3731
>                 URL: https://issues.apache.org/jira/browse/DERBY-3731
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.5.0.0
>            Reporter: Kathey Marsden
>            Assignee: Kristian Waagan
>            Priority: Minor
>             Fix For: 10.4.2.1, 10.5.0.0
>
>         Attachments: derby-3731-1a-refsize_from_properties.diff, 
> derby-3731-1b-refsize_from_properties.diff, 
> derby-3731-1b-refsize_from_properties.stat, 
> derby-3731-1c-refsize_from_properties.diff, 
> derby-3731-2a_update_of_policy_template.diff, derby-3731-3a-doc_changes.diff, 
> DERBY-3731_diff.txt
>
>
> java/engine/org/apache/derby/iapi/services/cache/ClassSize.java has a static 
> code block which calculates the size of a reference for the architecture.  
> This code could be improved by adding garbage collection before measuring 
> memory, to give a consistent  reading.     Also there have been suggestions 
> that we use os.arch or sun.arch.data.model to make the measurement more 
> reliable, especially on 64bit machines.

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