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https://issues.apache.org/jira/browse/MDEPLOY-206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16013176#comment-16013176
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Matt Nelson commented on MDEPLOY-206:
-------------------------------------
How is the scope of this issue changed with the maven-3.5.0 conversion to
maven-resolver?
I am using parallel builds with the {{deployAtEnd}} flag on a reactor with 40+
modules. Holding onto all the artifacts until the end there is a huge backlog
of IO operations that are taking 33% of the build time. Some of that time could
be attributed to the resources on the repository, but there is a huge potential
for decreased build times by performing the uploads with any amount of
parallelism. For each module there are 6 uploads and 1 download. The
{{<version>/maven-metadata.xml}} appears to be uploaded twice
{noformat}
15:25:19 [INFO] Uploaded:
http://repo/com/company/project/my-artifact/0.15-SNAPSHOT/my-artifact-0.15-20170516.202515-32.jar
(30689 KB at 7579.2 KB/sec)
15:25:21 [INFO] Uploaded:
http://repo/com/company/project/my-artifact/0.15-SNAPSHOT/my-artifact-0.15-20170516.202515-32.pom
(10 KB at 5.7 KB/sec)
15:25:21 [INFO] Downloaded:
http://repo/com/company/project/my-artifact/maven-metadata.xml (420 B at 3.5
KB/sec)
15:25:22 [INFO] Uploaded:
http://repo/com/company/project/my-artifact/0.15-SNAPSHOT/maven-metadata.xml
(988 B at 1.4 KB/sec)
15:25:24 [INFO] Uploaded:
http://repo/com/company/project/my-artifact/maven-metadata.xml (420 B at 0.2
KB/sec)
15:25:24 [INFO] Uploaded:
http://repo/com/company/project/my-artifact/0.15-SNAPSHOT/my-artifact-0.15-20170516.202515-32-sources.jar
(85 KB at 187.9 KB/sec)
15:25:25 [INFO] Uploaded:
http://repo/com/company/project/my-artifact/0.15-SNAPSHOT/maven-metadata.xml
(988 B at 1.7 KB/sec)
{noformat}
> Support parallel deployment at end
> ----------------------------------
>
> Key: MDEPLOY-206
> URL: https://issues.apache.org/jira/browse/MDEPLOY-206
> Project: Maven Deploy Plugin
> Issue Type: Improvement
> Components: deploy:deploy
> Reporter: Matt Nelson
>
> When deploying at end with a large reactor the deployment process can take
> some time. If the DeployMojo was updated to support a configuration value for
> the amount of parallelism the deployment could be speed up substantially.
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