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https://issues.apache.org/jira/browse/WICKET-7049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17712898#comment-17712898
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ASF GitHub Bot commented on WICKET-7049:
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theigl opened a new pull request, #581:
URL: https://github.com/apache/wicket/pull/581
This PR avoids allocating `AppendingStringBuffer` for empty header buckets
in `FilteringHeaderResponse`.
It targets 9.x because in 10, all string responses will be lazy by default
(#574).
> Avoid allocation for empty buckets in FilteringHeaderResponse
> -------------------------------------------------------------
>
> Key: WICKET-7049
> URL: https://issues.apache.org/jira/browse/WICKET-7049
> Project: Wicket
> Issue Type: Improvement
> Components: wicket-core
> Affects Versions: 9.12.0
> Reporter: Thomas Heigl
> Assignee: Thomas Heigl
> Priority: Minor
>
> FilteringHeaderResponse currently allocates a new StringResponse for every
> header bucket. In ajax requests, these buckets are almost always empty in our
> case. We should use LazyStringResponse in this case to prevent allocating the
> underlying string buffer.
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