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KAFKA-2613: Make maxParallelForks configurable via Gradle config so it can be turned down on shared build infrastructure. #293

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KAFKA-2613: Make maxParallelForks configurable via Gradle config so it can be turned down on shared build infrastructure. #293

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6 changes: 6 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,12 @@ Please note for this to work you should create/update `~/.gradle/gradle.properti
### Running checkstyle on the java code ###
./gradlew checkstyleMain checkstyleTest

### Limit the number of processes for each task ###
./gradlew -Dorg.gradle.project.maxParallelForks=1 test

This will most commonly be useful for automated builds where the full resources of the host running the build and tests
may not be dedicated to Kafka's build.

### Running in Vagrant ###

See [vagrant/README.md](vagrant/README.md).
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4 changes: 3 additions & 1 deletion build.gradle
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Expand Up @@ -45,6 +45,8 @@ ext {
gradleVersion = "2.4"
buildVersionFileName = "kafka-version.properties"

userMaxForks = project.hasProperty('maxParallelForks') ? maxParallelForks.toInteger() : null

skipSigning = project.hasProperty('skipSigning') && skipSigning.toBoolean()
shouldSign = !skipSigning && !version.endsWith("SNAPSHOT")

Expand Down Expand Up @@ -116,7 +118,7 @@ subprojects {
}

tasks.withType(Test) {
maxParallelForks = Runtime.runtime.availableProcessors()
maxParallelForks = userMaxForks ?: Runtime.runtime.availableProcessors()
}

jar {
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