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Build: Fork javac to avoid GC overhead #26047

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Merged
merged 1 commit into from
Aug 3, 2017
Merged

Build: Fork javac to avoid GC overhead #26047

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9 changes: 4 additions & 5 deletions buildSrc/src/main/groovy/org/elasticsearch/gradle/BuildPlugin.groovy
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Original file line number Diff line number Diff line change
Expand Up @@ -410,11 +410,10 @@ class BuildPlugin implements Plugin<Project> {
project.afterEvaluate {
project.tasks.withType(JavaCompile) {
File gradleJavaHome = Jvm.current().javaHome
if (new File(project.javaHome).canonicalPath != gradleJavaHome.canonicalPath) {
options.fork = true
options.forkOptions.executable = new File(project.javaHome, 'bin/javac')
options.forkOptions.memoryMaximumSize = "1g"
}
// we fork because compiling lots of different classes in a shared jvm can eventually trigger GC overhead limitations
options.fork = true
options.forkOptions.executable = new File(project.javaHome, 'bin/javac')
options.forkOptions.memoryMaximumSize = "1g"
if (project.targetCompatibility >= JavaVersion.VERSION_1_8) {
// compile with compact 3 profile by default
// NOTE: this is just a compile time check: does not replace testing with a compact3 JRE
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