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https://issues.apache.org/jira/browse/MRESOLVER-248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tamás Cservenák updated MRESOLVER-248:
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Fix Version/s: 1.8.0
> Make DF and BF collector implementations coexists
> -------------------------------------------------
>
> Key: MRESOLVER-248
> URL: https://issues.apache.org/jira/browse/MRESOLVER-248
> Project: Maven Resolver
> Issue Type: Improvement
> Components: Resolver
> Reporter: Tamás Cservenák
> Assignee: Tamás Cservenák
> Priority: Major
> Fix For: 1.8.0
>
>
> There is ongoing work to fundamentally change {{DependencyCollector}}
> implementation in resolver.
> Resolver was from beginning building dependency graph by doing "depth first"
> (df) approach, and was downloading POMs sequentially during collection.
> With work happing under MRESOLVER-240, MRESOLVER-247 and MRESOLVER-7,
> collector is altered: is doing now "breadth first" (bf), implements
> skip-reconcile and will have parallel POM download implemented, and maybe
> even more (like inter collection cache?).
> Still, IMHO letting both (original "df" and new "bf") coexists is technically
> simple, and would allow us not only simpler comparison of the performance of
> the two, but there is a possibility that there will be no "one size fit all"
> solution, so having both knives in drawer is just a win-win. Also, this way
> we do have a "baseline" to compare with easily: the "df" (original) collector
> vs "bf" collector.
> Ultimately, we MAY prove superiority of one over another, essentially leaving
> only one collector implementation, as in that case this issue (and the
> "coexistence indirection") should be just removed, and not enlist it in
> release notes of upcoming 1.8.0 version.
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