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https://issues.apache.org/jira/browse/MNG-7659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrzej Jarmoniuk updated MNG-7659:
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Summary: ComparableVersion cache (was: ComparableVersion )
> ComparableVersion cache
> -----------------------
>
> Key: MNG-7659
> URL: https://issues.apache.org/jira/browse/MNG-7659
> Project: Maven
> Issue Type: Improvement
> Reporter: Andrzej Jarmoniuk
> Priority: Major
>
> Tobias Gruetzmacher has raised an issue with Versions Maven Plugin -
> [Performance issue with many versions/artifacts
> #869|https://github.com/mojohaus/versions/issues/869], where he points out
> that we're creating lots of ComparableVersion objects (which happens
> especially during ArtifactVersion comparison), which affects performance. He
> proposed creating a simple cache for these objects.
> This proved to increase performance in some Versions Maven Plugin jobs almost
> twofold.
> What do you guys think of introducing this to Maven?
> The cache should probably be restricted in size (e.g. use LRUMap from commons
> collections), so that it won't leak memory when used with mvnd.
> Simple implementation is here: https://github.com/mojohaus/versions/pull/870
> Using LRUMap: https://github.com/mojohaus/versions/pull/893
> The cache could alternatively be owned by DefaultArtifactVersion, where the
> construction of ComparableVersion is taking place.
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