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https://issues.apache.org/jira/browse/SLING-4568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Richard updated SLING-4568:
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Summary: Performance: MergingResourceProvider.ParentHidingHandler adds
about 30pp rendering overhead (was: Performance:
MergingResourceProvider.ParentHidingHandler adds about 30% rendering overhead)
> Performance: MergingResourceProvider.ParentHidingHandler adds about 30pp
> rendering overhead
> -------------------------------------------------------------------------------------------
>
> Key: SLING-4568
> URL: https://issues.apache.org/jira/browse/SLING-4568
> Project: Sling
> Issue Type: Bug
> Components: ResourceResolver
> Affects Versions: Resource Merger 1.2.8
> Reporter: Joel Richard
> Priority: Critical
> Labels: performance
> Attachments: SLING-4568.patch
>
>
> When I was analysing all read properties, I noticed a recurring pattern with
> sling:hideChildren and jcr:primaryType and that more than 40% of the read
> properties are sling:hideChildren. I figured out that sling:hideChildren is
> read for all parents in MergingResourceProvider.ParentHidingHandler and that
> the requests are processed 30-35% faster just by commenting out the
> constructor code.
> Apache Benchmark results with normal ParentHidingHandler:
> {quote}
> 50% 272
> 66% 276
> 75% 278
> 80% 281
> 90% 289
> 95% 301
> 98% 493
> 99% 497
> {quote}
> Results with commented out ParentHidingHandler constructor:
> {quote}
> 50% 185
> 66% 188
> 75% 191
> 80% 194
> 90% 202
> 95% 210
> 98% 333
> 99% 338
> {quote}
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