[jira] Assigned: (DERBY-4525) Document the in-memory storage back end

["Kim Haase (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-4525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kim Haase reassigned DERBY-4525:
--------------------------------

    Assignee: Kim Haase

> Document the in-memory storage back end
> ---------------------------------------
>
>                 Key: DERBY-4525
>                 URL: https://issues.apache.org/jira/browse/DERBY-4525
>             Project: Derby
>          Issue Type: Task
>          Components: Documentation
>    Affects Versions: 10.6.0.0
>            Reporter: Kristian Waagan
>            Assignee: Kim Haase
>             Fix For: 10.6.0.0
>
>
> The in-memory back end isn't considered experimental anymore, we have to 
> write user documentation for the feature(s).
> I'm not  sure how it should be structured, and where the content should be added.
> Just as a rough cut, here are a few possible topics (I'm not sure if all should be included or not):
> - documenting the new protocol name ('memory')
> - documenting the new 'drop' JDBC connection URL attribute
> - describing the limitations of the feature (all your data will be lost if..., how to use it with the client driver and the data sources)
> - "advanced use" (pull dbs on disk into memory, backup in-memory dbs to disk)
> - tuning tips (there are some issues with extreme page cache sizes, maybe the existing content on page size is valid)
> - known problems (nothing concrete here yet, but we have one inquiry about disappearing databases - the current theory is that different class loaders are used)
> Some more information is available at http://wiki.apache.org/db-derby/InMemoryBackEndPrimer

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