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Startup performance for JVM based apps - #63
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Aug 14, 2018
| COPY build/libs/*.jar /opt/app.jar | ||
| WORKDIR /opt | ||
| CMD ["java", "-jar", "app.jar"] No newline at end of file | ||
| ENTRYPOINT exec java -Xms256m -Xmx256m -XX:MaxMetaspaceSize=128m $JAVA_OPTS -jar app.jar |
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Java 8 is not docker aware, therefore this is a workaround in order to limit heap expansion.
From my local tests I can see that a simple demo spring boot app requires around 150-200 MB of Heap.
moving env variables to kubernetes manifest
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adding experimental jvm features
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Addresses #62
@jstrachan @rawlingsj let me know what you think about it :-).