native build JVM options

[Qbyte Consulting]

For the GraalVM native build I notice -JXmx4g is the default, so I try to increase this amount but not sure how? I believe this should speed up compilation?

<properties>
<failsafe.include>**/Native*IT.java</failsafe.include>
<failsafe.exclude></failsafe.exclude>
<quarkus.package.type>native</quarkus.package.type>
<quarkus.native.additional-build-args>-J-Xmx16G</quarkus.native.additional-build-args>
<quarkus.native.native-image-xmx>16G</quarkus.native.native-image-xmx>
...
</properties>

After increasing the additional arg is added but the original is kept - how to override the 4g limit?

[INFO] [io.quarkus.deployment.pkg.steps.NativeImageBuildStep] /Library/Java/JavaVirtualMachines/graalvm-ce-java11-21.0.0.2/Contents/Home/bin/native-image -J-Dsun.nio.ch.maxUpdateArraySize=100 -J-Djava.util.logging.manager=org.jboss.logmanager.LogManager -J-Dvertx.logger-delegate-factory-class-name=io.quarkus.vertx.core.runtime.VertxLogDelegateFactory -J-Dvertx.disableDnsResolver=true -J-Dio.netty.leakDetection.level=DISABLED -J-Dio.netty.allocator.maxOrder=1 -J-Duser.language=en -J-Dfile.encoding=UTF-8 -J-Xmx16G --initialize-at-build-time= -H:InitialCollectionPolicy=com.oracle.svm.core.genscavenge.CollectionPolicy\$BySpaceAndTime -H:+JNI -jar promotion-engine-runner.jar -H:FallbackThreshold=0 -H:+ReportExceptionStackTraces -J-Xmx4g -H:-AddAllCharsets -H:EnableURLProtocols=http --no-server -H:-UseServiceLoaderFeature -H:+StackTrace promotion-engine-runner

[Tristan Radisson]

Hello,

Would you have an example to test this ?

Note that if you test from https://github.com/kiegroup/kogito-examples repository, some have the `quarkus.native.native-image-xmx` property directly set in 'src/main/resources/application.properties' file. Example: https://github.com/kiegroup/kogito-examples/blob/b4c398cf8130c1f899a7e7103a2e5c477dca5bd0/ruleunit-quarkus-example/src/test/resources/application.properties

And this may be the cause you cannot override it.

Regards,

Tristan Radisson

Senior Software Quality Engineer

Business Automation Cloud

Red Hat France

trad...@redhat.com   

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[Qbyte Consulting]

thanks!

[mma...@redhat.com]

Hi,

just one suggestion for the future regarding Quarkus. The properties you set are Maven properties, which (up to some exceptions like quarkus.package.type) won't be recognized by Quarkus Maven Plugin.

The order and source of properties which are recognized by Quarkus during the build time or runtime is defined here:

https://quarkus.io/guides/config-reference#configuration_sources

Since the Xmx property is a property needed before running of the application, it would be difficult/clumsy to set it as a system property for Quarkus Maven Plugin. It would need to be set as a system property for the JVM where the Maven is running.

So you have option to either defined it as an environment variable or specifying it directly in the application.properties file.

Marian