IDEA 配置项目的JVM运行内存大小

àì夳堔傛蜴生んèń 2022-11-16 05:59 1968阅读 0赞

# 叙述 #

在开发当中，idea默认服务启动要占用1G内存。其实每个项目本地开发和调试的时候，根本不需要1G内存，200M左右足以。

这样可以在本机内存有限的情况下，用最小的内存，启动开发调试项目。

如果在微服务体系下，那效果更明显，相同的内存可以启动更多的服务。

## 解决方案 ##

配置参数

-Xms1024m　　//设置堆的最小值
    -Xmx2048m   //设置堆的最大值
    -Xmn512m    //设置新生代大小
    -XX:MetaspaceSize=256m //设置初始Metaspace空间的大小

-Xms20m -Xmx200m -XX:+HeapDumpOnOutOfMemoryError

idea操作图

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0c5NzEwMDUyODdX_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0c5NzEwMDUyODdX_size_16_color_FFFFFF_t_70 1][]

如果大项目启动。默认1G不够，那会报内存溢出

"C:\Program Files\Java\jdk1.8.0_211\bin\java.exe" -Xms20m -Xmx200m -XX:+HeapDumpOnOutOfMemoryError -javaagent:C:\Users\XXXX\AppData\Local\JetBrains\Toolbox\apps\IDEA-U\ch-0\201.7223.91\lib\idea_rt.jar=11655:C:\Users\TC_em\AppData\Local\JetBrains\Toolbox\apps\IDEA-U\ch-0\201.7223.91\bin -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_211\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\rt.jar;F:\XXX\IDEA-Workspace\XXX\target\classes;F:\GW\apache-maven-3.3.9\m3\repository\com\xuxueli\xxl-job-core\2.0.1\xxl-job-core-2.0.1.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\xuxueli\xxl-rpc-core\1.2.1\xxl-rpc-core-1.2.1.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\caucho\hessian\4.0.51\hessian-4.0.51.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\eclipse\jetty\jetty-server\9.4.5.v20170502\jetty-server-9.4.5.v20170502.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\eclipse\jetty\jetty-http\9.4.5.v20170502\jetty-http-9.4.5.v20170502.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\eclipse\jetty\jetty-util\9.4.5.v20170502\jetty-util-9.4.5.v20170502.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\eclipse\jetty\jetty-io\9.4.5.v20170502\jetty-io-9.4.5.v20170502.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\eclipse\jetty\jetty-client\9.4.5.v20170502\jetty-client-9.4.5.v20170502.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\codehaus\groovy\groovy\2.4.11\groovy-2.4.11.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\commons\commons-exec\1.3\commons-exec-1.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\fasterxml\jackson\core\jackson-databind\2.8.8\jackson-databind-2.8.8.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\mongodb\mongo-java-driver\3.9.0\mongo-java-driver-3.9.0.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\boot\spring-boot-starter-data-mongodb\2.1.0.RELEASE\spring-boot-starter-data-mongodb-2.1.0.RELEASE.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\mongodb\mongodb-driver\3.4.2\mongodb-driver-3.4.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\mongodb\bson\3.4.2\bson-3.4.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\mongodb\mongodb-driver-core\3.4.2\mongodb-driver-core-3.4.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\data\spring-data-mongodb\1.10.4.RELEASE\spring-data-mongodb-1.10.4.RELEASE.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\spring-tx\4.3.9.RELEASE\spring-tx-4.3.9.RELEASE.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\spring-expression\4.3.9.RELEASE\spring-expression-4.3.9.RELEASE.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\data\spring-data-commons\1.13.4.RELEASE\spring-data-commons-1.13.4.RELEASE.jar;F:\GW\apache-maven-3.3.9\m3\repository\xerces\xercesImpl\2.11.0\xercesImpl-2.11.0.jar;F:\GW\apache-maven-3.3.9\m3\repository\xml-apis\xml-apis\1.4.01\xml-apis-1.4.01.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\xmlbeans\xmlbeans\2.6.0\xmlbeans-2.6.0.jar;F:\GW\apache-maven-3.3.9\m3\repository\stax\stax-api\1.0.1\stax-api-1.0.1.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\commons\commons-lang3\3.5\commons-lang3-3.5.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\httpcomponents\httpmime\4.5.3\httpmime-4.5.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\dom4j\dom4j\1.6.1\dom4j-1.6.1.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\aliyun\openservices\ons-client\1.2.3\ons-client-1.2.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\alibaba\rocketmq\rocketmq-client\3.5.3\rocketmq-client-3.5.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\alibaba\rocketmq\rocketmq-common\3.5.3\rocketmq-common-3.5.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\alibaba\rocketmq\rocketmq-remoting\3.5.3\rocketmq-remoting-3.5.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\io\netty\netty-all\4.0.36.Final\netty-all-4.0.36.Final.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\aliyun\openservices\ons-api\1.2.3\ons-api-1.2.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\aliyun\openservices\ons-trace-core\1.2.3\ons-trace-core-1.2.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\aliyun\openservices\ons-auth4client\1.2.3\ons-auth4client-1.2.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\alibaba\dubbo\2.5.3\dubbo-2.5.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\javassist\javassist\3.21.0-GA\javassist-3.21.0-GA.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\jboss\netty\netty\3.2.5.Final\netty-3.2.5.Final.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\github\sgroschupf\zkclient\0.1\zkclient-0.1.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\zookeeper\zookeeper\3.3.3\zookeeper-3.3.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\jline\jline\0.9.94\jline-0.9.94.jar;F:\GW\apache-maven-3.3.9\m3\repository\log4j\log4j\1.2.14\log4j-1.2.14.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\mybatis\caches\mybatis-memcached\1.0.0\mybatis-memcached-1.0.0.jar;F:\GW\apache-maven-3.3.9\m3\repository\net\spy\spymemcached\2.10.6\spymemcached-2.10.6.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\vdurmont\emoji-java\4.0.0\emoji-java-4.0.0.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\boot\spring-boot-starter\1.5.4.RELEASE\spring-boot-starter-1.5.4.RELEASE.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\boot\spring-boot\1.5.4.RELEASE\spring-boot-1.5.4.RELEASE.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\boot\spring-boot-autoconfigure\1.5.4.RELE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itext\2.1.7\itext-2.1.7.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\pdfbox\pdfbox\2.0.9\pdfbox-2.0.9.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\pdfbox\fontbox\2.0.9\fontbox-2.0.9.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\pdfbox\pdfbox-tools\2.0.9\pdfbox-tools-2.0.9.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\pdfbox\pdfbox-debugger\2.0.9\pdfbox-debugger-2.0.9.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\pdfbox\jbig2-imageio\3.0.0\jbig2-imageio-3.0.0.jar;F:\GW\apache-maven-3.3.9\m3\repository\net\sourceforge\lept4j\lept4j\1.9.4\lept4j-1.9.4.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\jboss\jboss-vfs\3.2.12.Final\jboss-vfs-3.2.12.Final.jar;F:\GW\apache-maven-3.3.9\m3\repository\ch\qos\logback\logback-classic\1.1.11\logback-classic-1.1.11.jar;F:\GW\apache-maven-3.3.9\m3\repository\ch\qos\logback\logback-core\1.1.11\logback-core-1.1.11.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\slf4j\jul-to-slf4j\1.7.25\jul-to-slf4j-1.7.25.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\slf4j\jcl-over-slf4j\1.7.25\jcl-over-slf4j-1.7.25.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\slf4j\log4j-over-slf4j\1.7.25\log4j-over-slf4j-1.7.25.jar;F:\GW\apache-maven-3.3.9\m3\repository\net\coobird\thumbnailator\0.4.8\thumbnailator-0.4.8.jar;F:\GW\apache-maven-3.3.9\m3\repository\cn\hutool\hutool-all\4.5.15\hutool-all-4.5.15.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\monitorjbl\xlsx-streamer\1.0.1\xlsx-streamer-1.0.1.jar;F:\GW\apache-maven-3.3.9\m3\repository\io\springfox\springfox-swagger2\2.9.2\springfox-swagger2-2.9.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\io\springfox\springfox-spi\2.9.2\springfox-spi-2.9.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\io\springfox\springfox-core\2.9.2\springfox-core-2.9.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\net\bytebuddy\byte-buddy\1.8.12\byte-buddy-1.8.12.jar;F:\GW\apache-maven-3.3.9\m3\repository\io\springfox\springfox-schema\2.9.2\springfox-schema-2.9.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\io\springfox\springfox-swagger-common\2.9.2\springfox-swagger-common-2.9.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\io\springfox\springfox-spring-web\2.9.2\springfox-spring-web-2.9.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\fasterxml\classmate\1.3.3\classmate-1.3.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\plugin\spring-plugin-core\1.2.0.RELEASE\spring-plugin-core-1.2.0.RELEASE.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\plugin\spring-plugin-metadata\1.2.0.RELEASE\spring-plugin-metadata-1.2.0.RELEASE.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\mapstruct\mapstruct\1.2.0.Final\mapstruct-1.2.0.Final.jar;F:\GW\apache-maven-3.3.9\m3\repository\io\swagger\swagger-annotations\1.5.21\swagger-annotations-1.5.21.jar;F:\GW\apache-maven-3.3.9\m3\repository\io\swagger\swagger-models\1.5.21\swagger-models-1.5.21.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\fasterxml\jackson\core\jackson-annotations\2.8.0\jackson-annotations-2.8.0.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\github\xiaoymin\swagger-bootstrap-ui\1.7.9\swagger-bootstrap-ui-1.7.9.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\springframework\boot\spring-boot-starter-tomcat\1.5.4.RELEASE\spring-boot-starter-tomcat-1.5.4.RELEASE.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\tomcat\embed\tomcat-embed-core\8.5.15\tomcat-embed-core-8.5.15.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\tomcat\embed\tomcat-embed-el\8.5.15\tomcat-embed-el-8.5.15.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\tomcat\embed\tomcat-embed-websocket\8.5.15\tomcat-embed-websocket-8.5.15.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\apache\tomcat\embed\tomcat-embed-jasper\8.5.15\tomcat-embed-jasper-8.5.15.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\eclipse\jdt\ecj\3.12.3\ecj-3.12.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\javax\servlet\javax.servlet-api\3.0.1\javax.servlet-api-3.0.1.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\google\guava\guava\28.1-jre\guava-28.1-jre.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\google\guava\failureaccess\1.0.1\failureaccess-1.0.1.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\google\guava\listenablefuture\9999.0-empty-to-avoid-conflict-with-guava\listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\google\code\findbugs\jsr305\3.0.2\jsr305-3.0.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\checkerframework\checker-qual\2.8.1\checker-qual-2.8.1.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\google\errorprone\error_prone_annotations\2.3.2\error_prone_annotations-2.3.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\google\j2objc\j2objc-annotations\1.3\j2objc-annotations-1.3.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\codehaus\mojo\animal-sniffer-annotations\1.18\animal-sniffer-annotations-1.18.jar;F:\GW\apache-maven-3.3.9\m3\repository\org\mybatis\mybatis-typehandlers-jsr310\1.0.2\mybatis-typehandlers-jsr310-1.0.2.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.9.10\jackson-datatype-jsr310-2.9.10.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\fasterxml\jackson\core\jackson-core\2.8.8\jackson-core-2.8.8.jar;F:\GW\apache-maven-3.3.9\m3\repository\com\google\code\gson\gson\2.8.6\gson-2.8.6.jar" cn.hutool.http.HeapOom
    java.lang.OutOfMemoryError: Java heap space
    Dumping heap to java_pid25700.hprof ...
    Heap dump file created [171991560 bytes in 0.128 secs]
    Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
    	at cn.hutool.http.HeapOom.<init>(HeapOom.java:21)
    	at cn.hutool.http.HeapOom.main(HeapOom.java:28)
     
    Process finished with exit code 1

也可以自定义设置JVM内存大小，解决这个问题。

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