Spring Boot + Gradle JVM memory settings

Question

I'm trying to run my Spring Boot application in a machine with very limited resources (512M memory), so I need to configure JVM memory settings (Xmx, MaxPermSize etc) to limit consumption and avoid OOM crashes.

I run the app from the command line using Gradle:

gradle bootRun

but I haven't found a way to pass JVM args like -Xmx256m, -XX:MaxPermSize=128M etc. from the command line when starting the app. Any idea anyone?

Doesn't these answers work for you? stackoverflow.com/questions/25079244/… — Infinity
– Infinity, Commented Mar 18, 2017 at 15:43
ferto31 posted an Answer saying "This other post maybe can help you Run application via gradlew with -Xmx and -Xms. or this one https://gist.github.com/a-r-d/0880779347daedb30f3a72d4903ebe6d or How to pass JVM options from bootRun." — Scratte
– Scratte, Commented Aug 18, 2021 at 6:49

Gregg · Accepted Answer · 2017-03-17 18:42:52Z

2

You'd be better of building an executable JAR and then you can pass the java command whatever memory settings you want. Then you can just do:

java -jar -Xmx256m -XX:MaxPermSize=128M .... myApp.jar

answered Mar 17, 2017 at 18:42

Gregg

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1 Comment

Jose V Over a year ago

new to the gradle thing, just needed to gradle build and then java -jar ... ./build/libs/nameOfJar.jar

Ishan Liyanage · Accepted Answer · 2022-12-29 13:50:08Z

0

You may sse this command in Linux/ Mac:

export _JAVA_OPTIONS="-Xms200m -Xmx800m"

where values 200 and 400 can be changed as per your needs. Please note its _JAVA_OPTIONS

Then run your gradle command. e.g

gradle bootRun

answered Dec 29, 2022 at 13:50

Ishan Liyanage

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