idea软件启动初始化配置:

custom IntelliJ IDEA VM options

-Xms4096m
-Xmx8192m
-Xmn2048m
-XX:MetaspaceSize=2048m
-XX:MaxMetaspaceSize=2048m
-XX:InitialCodeCacheSize=2048m
-XX:ReservedCodeCacheSize=2048m
-XX:+UseConcMarkSweepGC
-XX:SoftRefLRUPolicyMSPerMB=200
-ea
-XX:CICompilerCount=2
-Dsun.io.useCanonPrefixCache=false
-Djava.net.preferIPv4Stack=true
-Djdk.http.auth.tunneling.disabledSchemes=""
-XX:+HeapDumpOnOutOfMemoryError
-XX:-OmitStackTraceInFastThrow
-Djdk.attach.allowAttachSelf=true
-Dkotlinx.coroutines.debug=off
-Djdk.module.illegalAccess.silent=true
-javaagent:E:\third-soft\jetbrains-agent\jetbrains-agent.jar

限制idea内程序运行内存
-XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=128m -Xms512m -Xmx512m -Xmn256m -Xss256k -XX:SurvivorRatio=8 -XX:+UseConcMarkSweepGC