rbaul / jvm-memory-test

JVM Memory test with Spring Boot

JVM Memory Test (POC)

Connect to JMX with https://visualvm.github.io/

Java Buildpack Memory Calculator

go run .\main.go --loaded-class-count=750 --thread-count=100 --total-memory=1024M --jvm-options "-Xss1024k"
-XX:MaxDirectMemorySize=10M -XX:MaxMetaspaceSize=17919K -XX:ReservedCodeCacheSize=240M -Xmx672256K

go run .\main.go --loaded-class-count=750 --thread-count=100 --total-memory=512M
-XX:MaxDirectMemorySize=10M -XX:MaxMetaspaceSize=17919K -XX:ReservedCodeCacheSize=240M -Xss1M -Xmx147968K

go run .\main.go --loaded-class-count=7500 --thread-count=200 --total-memory=2G
-XX:MaxDirectMemorySize=10M -XX:MaxMetaspaceSize=56152K -XX:ReservedCodeCacheSize=240M -Xss1M -Xmx1580199K

JVM arguments

-XX:-UseCompressedOops (default Enabled) -XX:+PrintCodeCache (default Disabled) -Xmx256M (Max Memory) -XX:InitiatingHeapOccupancyPercent=50

Run

Run JvmMemoryTestApplication.java

Go to visualvm

Use swagger to add/remove/clear http://localhost:8080/swagger-ui/index.html