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Posted to issues@maven.apache.org by GitBox <gi...@apache.org> on 2022/12/21 20:15:53 UTC
[GitHub] [maven-mvnd] ppalaga opened a new issue, #758: 1.0.0-m1 slower than 0.8.2
ppalaga opened a new issue, #758:
URL: https://github.com/apache/maven-mvnd/issues/758
When building Camel Quarkus with these changes https://github.com/apache/camel-quarkus/pull/4355 in place using
```
mvnd clean install -Dquickly
```
1.0.0-m1 is slower than 0.8.2 by more than 10 seconds.
At the first sight the initial scanning of Maven modules takes much longer. It is ~9 seconds with 0.8.2, but ~19 sec with 1.0.0-m1.
Is this expected, @gnodet ?
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[GitHub] [maven-mvnd] mthmulders commented on issue #758: 1.0.0-m1 slower than 0.8.2
Posted by GitBox <gi...@apache.org>.
mthmulders commented on issue #758:
URL: https://github.com/apache/maven-mvnd/issues/758#issuecomment-1362072139
> even when I am in a directory where there is just a single project.
Do you mean a directory that is part of a multi-module project, but has no child modules? Or do you mean a directory that has a single project, i.e. not part of multi-module project?
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[GitHub] [maven-mvnd] ppalaga commented on issue #758: 1.0.0-m1 slower than 0.8.2
Posted by GitBox <gi...@apache.org>.
ppalaga commented on issue #758:
URL: https://github.com/apache/maven-mvnd/issues/758#issuecomment-1362232284
> > even when I am in a directory where there is just a single project.
>
> Do you mean a directory that is part of a multi-module project, but has no child modules?
Yes, exactly this.
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[GitHub] [maven-mvnd] gnodet closed issue #758: 1.0.0-m1 slower than 0.8.2
Posted by GitBox <gi...@apache.org>.
gnodet closed issue #758: 1.0.0-m1 slower than 0.8.2
URL: https://github.com/apache/maven-mvnd/issues/758
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[GitHub] [maven-mvnd] gnodet commented on issue #758: 1.0.0-m1 slower than 0.8.2
Posted by GitBox <gi...@apache.org>.
gnodet commented on issue #758:
URL: https://github.com/apache/maven-mvnd/issues/758#issuecomment-1362946968
I haven't pinpoint the exact problem, however mind 1.0.0-m1 is noticeably slower than 0.8.2. More significant, running `mvn foo` (so that all projects are parsed but no plugin is executed) was expectedly faster with mind 0.8.2 than maven 3.8.6, but mvn 1.0.0-m1 is slower than maven 4.0.0-alpha-3.
This clearly points toward a problem in mvnd 1.0.0-m1 imho...
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[GitHub] [maven-mvnd] gnodet commented on issue #758: 1.0.0-m1 slower than 0.8.2
Posted by GitBox <gi...@apache.org>.
gnodet commented on issue #758:
URL: https://github.com/apache/maven-mvnd/issues/758#issuecomment-1362054400
> Scanning for projects... takes ~10 seconds even when I am in a directory where there is just a single project.
That's https://issues.apache.org/jira/browse/MNG-7646
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[GitHub] [maven-mvnd] mthmulders commented on issue #758: 1.0.0-m1 slower than 0.8.2
Posted by GitBox <gi...@apache.org>.
mthmulders commented on issue #758:
URL: https://github.com/apache/maven-mvnd/issues/758#issuecomment-1362616130
> Yes, exactly this.
Thanks for clarifying.
I'm wondering if there's a measurable difference if you disable build/consumer POM decoupling. From [MNG-6656](https://issues.apache.org/jira/browse/MNG-6656), it should be possible to disable that with `-Dmaven.experimental.buildconsumer=true`. Is that something you could try, please?
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[GitHub] [maven-mvnd] gnodet commented on issue #758: 1.0.0-m1 slower than 0.8.2
Posted by GitBox <gi...@apache.org>.
gnodet commented on issue #758:
URL: https://github.com/apache/maven-mvnd/issues/758#issuecomment-1362056650
> When building Camel Quarkus with these changes [apache/camel-quarkus#4355](https://github.com/apache/camel-quarkus/pull/4355) in place using
>
> ```
> mvnd clean install -Dquickly
> ```
>
> 1.0.0-m1 is slower than 0.8.2 by more than 10 seconds.
>
> At the first sight the initial scanning of Maven modules takes much longer. It is ~9 seconds with 0.8.2, but ~19 sec with 1.0.0-m1.
>
> Is this expected, @gnodet ?
I'm aware of the problem, and no this is not really acceptable imho. I raised [MNG-7647](https://issues.apache.org/jira/browse/MNG-7647).
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[GitHub] [maven-mvnd] ppalaga commented on issue #758: 1.0.0-m1 slower than 0.8.2
Posted by GitBox <gi...@apache.org>.
ppalaga commented on issue #758:
URL: https://github.com/apache/maven-mvnd/issues/758#issuecomment-1362053109
Scanning for projects... takes ~10 seconds even when I am in a directory where there is just a single project.
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