[jira] [Commented] (MRESOLVER-7) Download dependency POMs in parallel

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MRESOLVER-7?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16528933#comment-16528933 ] 

ASF GitHub Bot commented on MRESOLVER-7:
----------------------------------------

slachiewicz commented on issue #10: [MRESOLVER-7] Download dependency POMs in parallel v2
URL: https://github.com/apache/maven-resolver/pull/10#issuecomment-401574365
 
 
   I did rebase code and I compile few projects with clean repo - it looks good and fast.
   @steve-todorov could you try to test with Your projects also?
   

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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
>            Priority: Major
>
> 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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