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Parallelism in Jenkins is defined at the Stage level which means that…
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that a single Jenkins Pipeline is invoked, containing…
Some Stages configured to run sequentially
with each Step within those Stages running sequentially(with their component Steps running sequentially), and/or
Some Stages
configureconfigured to run concurrently
with each Step within those Stages(with their component Steps running sequentially)
See Parallel stages with Declarative Pipeline 1.2 (jenkins.io)
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Here’s a pseudocode representation of two parallel Stages defined in a Jenkins Pipeline. It runs the following stages concurrently:
A test (Windows command line) on any Jenkins Agent with a ‘windows’ label, and
A test (Unix shell) on any Jenkins Agent with a ‘linux’ label
| Code Block |
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pipeline {
stages {
stage('Do These Concurrently') {
parallel {
stage('Test On Windows') {
agent {
label "windows"
}
steps {
bat "run-tests.bat"
}
post {
always {
junit "**/TEST-*.xml"
}
}
}
stage('Test On Linux') {
agent {
label "linux"
}
steps {
sh "run-tests.sh"
}
post {
always {
junit "**/TEST-*.xml"
}
}
}
}
}
}
} |
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