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https://issues.apache.org/jira/browse/MRESOLVER-586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tamas Cservenak updated MRESOLVER-586:
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Fix Version/s: 2.0.1
1.9.22
> In typical setups, DefaultArtifact copies the same maps over and over again
> ---------------------------------------------------------------------------
>
> Key: MRESOLVER-586
> URL: https://issues.apache.org/jira/browse/MRESOLVER-586
> Project: Maven Resolver
> Issue Type: Improvement
> Components: Resolver
> Affects Versions: 2.0.0, 1.9.21
> Reporter: Guillaume Smet
> Priority: Major
> Fix For: 2.0.1, 1.9.22
>
>
> h2. Context
> This is part of some work we are trying to do to reduce the build time usage
> memory of Quarkus.
> We discussed this a bit with Tamas.
> While this doesn't constitute a fix for our main issue, it should be an easy
> win.
> h2. Problem
> We have a BOM with 2000+ entries and in `ArtifactDescriptorReaderDelegate`,
> the managed dependencies are copied to the descriptors using the `convert`
> method that in turn will create a new DefaultArtifact.
> Most of these DefaultArtifacts contain a copy of the very same
> `type.getProperties()` as they don't have specific artifact properties.
> Improving the DefaultArtifact#merge() method to avoid the copy when the
> artifact doesn't have any specific properties would already be an easy win.
> PR to come.
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