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From "Mike Matrigali (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (DERBY-512) enhance existing automatic space reclamation for tables
Date Wed, 26 Nov 2014 20:09:13 GMT

     [ https://issues.apache.org/jira/browse/DERBY-512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Mike Matrigali closed DERBY-512.
    Resolution: Duplicate

DERBY-5356 does better job of enumerating the issues that can be addressed to improve automatic
space reclamation.

> enhance existing automatic space reclamation for tables
> -------------------------------------------------------
>                 Key: DERBY-512
>                 URL: https://issues.apache.org/jira/browse/DERBY-512
>             Project: Derby
>          Issue Type: Improvement
>          Components: Store
>            Reporter: Mike Matrigali
>            Priority: Minor
> The current space reclamation system does a good job of reusing space if inserts follow
deletes and if the 
> deletes result in freeing complete pages.  In other cases unused space can grow in tables
and can only
> be reclaimed by explicitly calling the compress table interfaces by hand.
> As a zero admin database, derby should provide some way to automatically reclaim this

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