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https://issues.apache.org/jira/browse/MRESOLVER-7?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16636277#comment-16636277
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ASF GitHub Bot commented on MRESOLVER-7:
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slachiewicz commented on issue #10: [MRESOLVER-7] Download dependency POMs in
parallel v2
URL: https://github.com/apache/maven-resolver/pull/10#issuecomment-426475151
Testcase:
org.apache.maven.project.inheritance.t06.ProjectInheritanceTest#testDependencyManagement
and poms in maven-compat/src/test/resources/inheritance-repo/t06
Expected:
Artifact: maven-test:t06-a:jar 1.0 scope=compile optional=false
Artifact: maven-test:t06-b:jar 1.0 scope=compile optional=false
Artifact: maven-test:t06-d:jar 1.0 scope=test optional=false
Artifact: maven-test:t06-c:jar 1.0 scope=compile optional=false
Actual:
Artifact: maven-test:t06-a:jar 1.0 scope=compile optional=false
Artifact: maven-test:t06-b:jar 1.0 scope=compile optional=false
Artifact: maven-test:t06-c:jar 1.0 scope=compile optional=false
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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: 1.2.0
>
>
> 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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