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Posted to oak-issues@jackrabbit.apache.org by "Nuno Santos (Jira)" <ji...@apache.org> on 2024/07/23 06:04:00 UTC

[jira] [Updated] (OAK-10968) Avoid creating auxiliary string in PathUtils.isAncestor

     [ https://issues.apache.org/jira/browse/OAK-10968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nuno Santos updated OAK-10968:
------------------------------
    Description: The indexing logic makes a large number of calls to `PathUtils.isAncestor` when traversing the FFS, so many that it was showing up in the JFR profiling as representing a significant percentage of the total execution time and of the total allocations. It is fairly easy to avoid allocating a new string inside this method, and this optimization will benefit many other areas of Oak. 

> Avoid creating auxiliary string in PathUtils.isAncestor
> -------------------------------------------------------
>
>                 Key: OAK-10968
>                 URL: https://issues.apache.org/jira/browse/OAK-10968
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: commons
>            Reporter: Nuno Santos
>            Priority: Minor
>
> The indexing logic makes a large number of calls to `PathUtils.isAncestor` when traversing the FFS, so many that it was showing up in the JFR profiling as representing a significant percentage of the total execution time and of the total allocations. It is fairly easy to avoid allocating a new string inside this method, and this optimization will benefit many other areas of Oak. 



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