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https://issues.apache.org/jira/browse/CAMEL-8529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14377842#comment-14377842
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gui commented on CAMEL-8529:
----------------------------
Rhino engine claims to support it. Maybe you could add a property that allow
the user to opt-in for scriptengine reuse. Preventing it because some engine
has an issue with reuse is safe, but slow
> ScriptEngine usage optimizations
> --------------------------------
>
> Key: CAMEL-8529
> URL: https://issues.apache.org/jira/browse/CAMEL-8529
> Project: Camel
> Issue Type: Improvement
> Components: camel-script
> Affects Versions: 2.15.0
> Reporter: gui
> Attachments: scriptbuilder.patch
>
>
> When a script is compiled (eg in case of js), the scriptbuilder is (re)
> creating a new engine instance on every invocation, although the compiled
> script has already an engine attached.
> This cause a lot of unnecessary engine initialization on every invocation.
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