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https://issues.apache.org/jira/browse/WICKET-6963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17510026#comment-17510026
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ASF GitHub Bot commented on WICKET-6963:
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theigl opened a new pull request #503:
URL: https://github.com/apache/wicket/pull/503
My latest production heapdump contained 2 million of these stateless
objects. This PR introduces two singletons for `PanelMarkupSourcingStrategy`
instead of allocating new objects for every component.
https://issues.apache.org/jira/browse/WICKET-6963
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> Use singletons for PanelMarkupSourcingStrategy
> ----------------------------------------------
>
> Key: WICKET-6963
> URL: https://issues.apache.org/jira/browse/WICKET-6963
> Project: Wicket
> Issue Type: Improvement
> Components: wicket-core
> Affects Versions: 9.8.0
> Reporter: Thomas Heigl
> Assignee: Thomas Heigl
> Priority: Major
> Attachments: image-2022-03-21-18-21-51-613.png
>
>
> My latest heapdump contained millions of instances of
> {{{}PanelMarkupSourcingStrategy{}}}:
> !image-2022-03-21-18-21-51-613.png|width=839,height=24!
> This class is completely stateless and only takes a single boolean
> constructor parameter. We should replace current instances by a factory
> method and two singletons.
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