[英]how to fix a slow gradle clean build
為這個問題的開放性道歉,但我有一個 java/spring-boot/gradle 項目,每當我運行./gradlew clean build
時,構建總是需要很長時間(大約 10 分鍾,而其他團隊大約 1 分鍾)成員在他們的筆記本電腦上構建相同的項目) - 我不知道為什么會這樣,所以任何人都知道從哪里開始/我需要提取/分析什么信息來找到這個問題的原因(很高興發布任何請求的信息作為對問題的編輯)。
首先,在您的 gradle-wrapper.properties 中,添加以下內容:
org.gradle.caching=true
org.gradle.parallel=true
看看它是否有幫助。 它應該。
其次,您可能想要實現一個TaskExecutionListener並將其注冊到gradle.taskGraph.addTaskExecutionListener
。 建議來自Peter Niederwieser
本人。
簡而言之,在您的頂級gradle.build
中,復制以下內容:
import java.util.concurrent.TimeUnit
class TimingsListener implements TaskExecutionListener, BuildListener {
private long startTime
private timings = []
@Override
void beforeExecute(Task task) {
startTime = System.nanoTime()
}
@Override
void afterExecute(Task task, TaskState taskState) {
def ms = TimeUnit.MILLISECONDS.convert(System.nanoTime() - startTime, TimeUnit.NANOSECONDS);
timings.add([ms, task.path])
task.project.logger.warn "${task.path} took ${ms}ms"
}
@Override
void buildFinished(BuildResult result) {
println "Task timings:"
for (timing in timings) {
if (timing[0] >= 50) {
printf "%7sms %s\n", timing
}
}
}
@Override
void buildStarted(Gradle gradle) {}
@Override
void projectsEvaluated(Gradle gradle) {}
@Override
void projectsLoaded(Gradle gradle) {}
@Override
void settingsEvaluated(Settings settings) {}
}
gradle.addListener new TimingsListener()
output 可能看起來像:
gradlew build
> Task :compileJava UP-TO-DATE
:compileJava took 3255ms
> Task :processResources UP-TO-DATE
:processResources took 10ms
> Task :classes UP-TO-DATE
:classes took 0ms
> Task :bootWar UP-TO-DATE
:bootWar took 637ms
> Task :war SKIPPED
:war took 0ms
> Task :assemble UP-TO-DATE
:assemble took 0ms
> Task :compileTestJava UP-TO-DATE
:compileTestJava took 427ms
> Task :processTestResources UP-TO-DATE
:processTestResources took 5ms
> Task :testClasses UP-TO-DATE
:testClasses took 0ms
> Task :test UP-TO-DATE
:test took 62ms
> Task :check UP-TO-DATE
:check took 0ms
> Task :build UP-TO-DATE
:build took 0ms
Task timings:
3255ms :compileJava
637ms :bootWar
427ms :compileTestJava
62ms :test
您還可以通過在 build.gradle 中使用它來加快測試速度:
test {
maxParallelForks = Runtime.runtime.availableProcessors().intdiv(2) ?: 1
}
請注意,如果您確實並行運行測試,則必須確保它們是獨立的,即不共享資源,無論是文件、數據庫還是其他東西。 否則,測試可能會以隨機和不可預測的方式相互干擾。
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