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https://issues.apache.org/jira/browse/SLING-4216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14248077#comment-14248077
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Antonio Sanso commented on SLING-4216:
--------------------------------------

[~cziegeler] trying the reformatting and will reupload the patch.

skipping the filter is done in 
{code}
+                    if (MapEntries.this.isAllVanityPathEntriesCached()) {
+                        special = this.resolveMapsMap.get(key);
+                    } else {
+                        special = MapEntries.this.getMapEntryList(key);
+                   }
{code}

> Limit the number of vanityPath MapEntry 
> ----------------------------------------
>
>                 Key: SLING-4216
>                 URL: https://issues.apache.org/jira/browse/SLING-4216
>             Project: Sling
>          Issue Type: Improvement
>          Components: ResourceResolver
>            Reporter: Antonio Sanso
>            Assignee: Antonio Sanso
>         Attachments: SLING-4216-patch.txt, SLING-4216-patch.txt
>
>
> At the moment there isn't any limit to the number of MapEntry that are cached 
> in memory.
> If the number of vanityPaths/alias is extremely high this can cause OOM.
> It would be good to have a way to limit the amount of memory used by the 
> MapEntry cache.



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