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Posted to issues@maven.apache.org by "Hervé Boutemy (JIRA)" <ji...@apache.org> on 2019/04/27 17:14:00 UTC

[jira] [Closed] (MNG-6632) ArtifactHandlerManager.getArtifactHandler is inefficient

     [ https://issues.apache.org/jira/browse/MNG-6632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hervé Boutemy closed MNG-6632.
------------------------------
       Resolution: Fixed
         Assignee: Hervé Boutemy
    Fix Version/s: 3.6.2

fixed in https://gitbox.apache.org/repos/asf?p=maven.git&a=commit&h=1e03388d5bd3b84b1c637fbb06010a00834cfa4b

thank you

> ArtifactHandlerManager.getArtifactHandler is inefficient
> --------------------------------------------------------
>
>                 Key: MNG-6632
>                 URL: https://issues.apache.org/jira/browse/MNG-6632
>             Project: Maven
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.6.0
>            Reporter: Stefan Oehme
>            Assignee: Hervé Boutemy
>            Priority: Major
>             Fix For: 3.6.2
>
>
> I'm currently optimizing a very large (2000+ submodule) project. ArtifactHandlerManager.getArtifactHandler is one of the CPU/memory hotspots, because for every `get` call it goes through the Map injected by Plexus. This Map has O( n ) lookup performance, because it is backed by an `Iterable`. It would be much faster to remember the artifact handlers that have already been found.
> See [https://github.com/apache/maven/pull/242]
>  



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