James Atwill created JENKINS-12938:
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Summary: MavenReporters always run, even if unneeded:
MavenFingerprinter is slow
Key: JENKINS-12938
URL: https://issues.jenkins-ci.org/browse/JENKINS-12938
Project: Jenkins
Issue Type: Bug
Components: maven
Environment: Linux, separate master/slave. Slave launched via SSH.
Multi-minute, multi-module maven build.
Reporter: James Atwill
The MavenFingerprinter MavenReporter should not run if fingerprinting the build
is disabled.
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Yesterday I attached YourKit to our Jenkins Maven-style build. I was attached
to the actual Maven3 builder and discovered that 36% of our build time is spent
in MavenReporters we don't use. We don't have fingerprinting turned on but the
MavenFingerprinter report still runs and was particularly expensive.
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I rebuilt the maven-plugin removing the @Extension from MavenArtifactArchiver,
MavenFingerprinter and MavenMailer and improved our build time by 36%.
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