[jira] Commented: (DERBY-1160) Document use of SPACE_TABLE to tell for tables and indexes: a) the number of pages allocated b) the number of empty pages

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-1160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12785238#action_12785238 ] 

Knut Anders Hatlen commented on DERBY-1160:
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I think it would be best not to have links to the javadoc because the URL may change and the content is not stable (the URL points to the development sources which may not match the version documented by the manual). It would be good, though, to capture the information from the javadoc in the reference manual. As far as I can see, only the javadoc documents the columns in the space table.

> Document use of SPACE_TABLE to tell for tables and indexes: a) the number of pages allocated  b) the number of empty pages
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-1160
>                 URL: https://issues.apache.org/jira/browse/DERBY-1160
>             Project: Derby
>          Issue Type: Improvement
>          Components: Documentation
>            Reporter: Stan Bradbury
>            Assignee: Bryan Pendleton
>         Attachments: cadminspace21579.html, docs.diff
>
>
> Very active systems would benefit from a documented way to determine how many empty pages are allocated to an index or table in order to determine whether a COMPRESS_TABLE is worth running.

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