<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<jvmArguments>-Xms2048m -Xmx4096m</jvmArguments>
</configuration>
</plugin>
</plugins>
</build>
java -Xms2048m -Xmx4096m -jar jarFileName.jar