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https://jira.duraspace.org/browse/DS-1070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Donohue updated DS-1070:
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Status: Open (was: Received)
> DSpaceObjectManager unnecessarily keeps references to DSpace objects
> --------------------------------------------------------------------
>
> Key: DS-1070
> URL: https://jira.duraspace.org/browse/DS-1070
> Project: DSpace
> Issue Type: Bug
> Components: XMLUI
> Affects Versions: 1.5.0, 1.5.1, 1.5.2, 1.6.0, 1.6.1, 1.6.2, 1.7.0, 1.7.1,
> 1.7.2, 1.8.0, post-1.8.0
> Reporter: Andrea Schweer
> Assignee: Andrea Schweer
> Priority: Major
> Attachments: objectmanager.patch
>
>
> DSpaceObjectManager keeps an ArrayList with a reference to every DSpaceObject
> instance it encounters. The DSpaceObject instances aren't used for anything
> but take up heap memory. The effect is particularly noticeable with Discovery
> enabled because several Discovery components each have their own copy of
> DSpaceObjectManager.
> The attached patch removes the ArrayList (and tidies up the code slightly).
> On a test instance, applying this patch brought down heap usage from 600 MB
> down to 70 MB (heap size measured a few minutes after starting up DSpace,
> with comparable activity).
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