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https://issues.apache.org/jira/browse/MRESOLVER-7?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17625917#comment-17625917
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Philippe Cloutier commented on MRESOLVER-7:
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Thank you very much for your work as well as for this valuable explanation
[~cstamas]
I know nothing about collectors and the model builder nuance, but if I
understand the situation correctly, I recommend to:
* Restore this ticket's original title and IN PROGRESS status
* If a ticket specifically about the BF collector is needed or useful:
** create one or clone this one
** set it as a dependency of this one
** mark it as resolved
* If a ticket specifically about the DF collector is needed or useful:
** create one or clone this one
** set it as a dependency of this one
* Ensure that the assignee of each ticket is representative
This may have been overdue, but seeing how much work was already needed,
congratulations for what was already accomplished.
> Download dependency POMs in parallel in BF collector
> ----------------------------------------------------
>
> Key: MRESOLVER-7
> URL: https://issues.apache.org/jira/browse/MRESOLVER-7
> Project: Maven Resolver
> Issue Type: Improvement
> Components: Resolver
> Affects Versions: Aether 1.0.2
> Reporter: Harald Wellmann
> Assignee: Tamas Cservenak
> Priority: Major
> Fix For: 1.9.0
>
> Attachments: resolve_deps.png, resolver.log
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> 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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