[jira] [Commented] (MRESOLVER-324) Make the BF algorithm as the default option to speed up maven dependency resolution and downloading

["Jonathan Haber (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MRESOLVER-324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17718564#comment-17718564 ] 

Jonathan Haber commented on MRESOLVER-324:
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We've been using BF with Maven 3.9.1, both for local development and in our CI environment (about 250,000 builds per day). And no issues found so far 

> Make the BF algorithm as the default option to speed up maven dependency resolution and downloading
> ---------------------------------------------------------------------------------------------------
>
>                 Key: MRESOLVER-324
>                 URL: https://issues.apache.org/jira/browse/MRESOLVER-324
>             Project: Maven Resolver
>          Issue Type: Wish
>          Components: Resolver
>    Affects Versions: 1.10.0
>            Reporter: wei cai
>            Priority: Major
>             Fix For: 1.10.0
>
>
> This is a WISH type Jira :D. So far, Maven 3.9.0 has released a BF algorithm which includes changes from below JIRAs along with the DF option (default).
>  * MRESOLVER-228
>  * MRESOLVER-247
>  * MRESOLVER-7
> The BF algorithm solves:
>  * Cache missing issue when comes to resolve heavy dependencies with different exclusions, it can help speed up dependency resolution especially for large scale enterprise level projects.
>  * Improve download speed by:
>  ** Skip downloading poms for conflict losers.
>  ** Download poms in parallel.
> Below is the introduction in [https://maven.apache.org/docs/3.9.0/release-notes.html:]
> {noformat}
> Choice of resolver collectors: a new BF collector (with parallel POM downloads) has been added along the existing DF one.{noformat}
> The solution is already widely adopted at eBay. You can simply enable it by putting below config item into file: ${maven.projectBasedir}/.mvn/maven.config
> {code:java}
> aether.dependencyCollector.impl=bf {code}
> More introduction about this option: [https://maven.apache.org/resolver/configuration.html]
> Please try and tells us how much it helps by running:
> {code:java}
> 1. mvn clean install -DskipTests -Dmaven.repo.local=bf -Daether.dependencyCollector.impl=bf 
> 2. mvn clean install -DskipTests -Dmaven.repo.local=df{code}
> With more feedback collected, we would be able to propose the changes to Maven team to make BF as the default.
>  



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