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https://issues.apache.org/jira/browse/MRESOLVER-7?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16532759#comment-16532759
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ASF GitHub Bot commented on MRESOLVER-7:
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mikehearn commented on issue #10: [MRESOLVER-7] Download dependency POMs in
parallel v2
URL: https://github.com/apache/maven-resolver/pull/10#issuecomment-402480226
For what it's worth I've been testing it locally a fair bit and it's been
working fine. However I had to fork Maven Resolver and add a few commits on top
to get it working as well as I wanted it to:
https://github.com/mikehearn/maven-resolver/commits/master
Specifically, I had to roll back a change that conflicted with this PR, and
then I added this commit:
https://github.com/mikehearn/maven-resolver/commit/1e2ed26e5c6b7f439882339deae8ff4effec50ac
to avoid creating non-daemon threads.
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> Download dependency POMs in parallel
> ------------------------------------
>
> Key: MRESOLVER-7
> URL: https://issues.apache.org/jira/browse/MRESOLVER-7
> Project: Maven Resolver
> Issue Type: Improvement
> Affects Versions: Aether 1.0.2
> Reporter: Harald Wellmann
> Assignee: Michael Osipov
> Priority: Major
> Fix For: Maven Artifact Resolver 1.1.2
>
>
> h3. Background
> When building a project with dependencies not yet available in the local
> repository, I noticed that Maven 3.3.9/Aether 1.0.2 first downloads the
> dependency POMs _sequentially_ and then proceeds downloading the dependency
> JARs with up to 5 threads _in parallel_.
> Due to this, when first building a project with a large number of
> dependencies, downloading a large number of small POMs may take a lot longer
> than downloading the much larger JARs, or even longer than building the
> project itself, especially when a repository manager is used which increases
> the download latency.
> h3. Enhancement
> Download POMs of (transitive) dependencies in parallel to significantly speed
> up initial builds of large projects.
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