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https://issues.apache.org/jira/browse/SLING-4544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14383793#comment-14383793
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Robert Munteanu commented on SLING-4544:
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[~joelrich] - I missed the fact that this is indeed not API. So we can change
this as we see fit, good. The second part still stands - submitting a patch is
the fastest way to get this fixed :-)
> Performance: MessageFormat shouldn't be used for logging in
> SlingRequestProgressTracker
> ---------------------------------------------------------------------------------------
>
> Key: SLING-4544
> URL: https://issues.apache.org/jira/browse/SLING-4544
> Project: Sling
> Issue Type: Improvement
> Components: Engine
> Affects Versions: Engine 2.4.0
> Reporter: Joel Richard
> Labels: performance
> Attachments: Screen Shot 2015-03-25 at 10.42.05.png
>
>
> I am profiling an application where up to 5% of the rendering time is spent
> in MessageFormat.format for SlingRequestProgressTracker.log (see attached
> screenshot). Since the advanced capabilities of MessageFormat are not
> required here, it should be rather easy to implement a utility which supports
> \{x} as well but is much faster.
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