{"id":11312,"date":"2023-11-28T21:59:37","date_gmt":"2023-11-28T13:59:37","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11312"},"modified":"2023-12-08T11:44:28","modified_gmt":"2023-12-08T03:44:28","slug":"jvm-ji-ben-pei-zhi-can-shu-you-na-xie","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-ji-ben-pei-zhi-can-shu-you-na-xie\/","title":{"rendered":"JVM\u57fa\u672c\u914d\u7f6e\u53c2\u6570\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"

Java\u865a\u62df\u673a\u7684\u57fa\u672c\u914d\u7f6e\u53c2\u6570\u53ef\u4ee5\u901a\u8fc7\u5728\u547d\u4ee4\u884c\u542f\u52a8Java\u7a0b\u5e8f\u65f6\u4f7f\u7528-XX<\/code>\u5f00\u5934\u7684\u9009\u9879\u8fdb\u884c\u8bbe\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u57fa\u672c\u914d\u7f6e\u53c2\u6570\uff1a<\/p>\n

    \n
  1. \n\u5806\u5185\u5b58\u5927\u5c0f\uff1a<\/strong><\/p>\n
      \n
    • -Xms<size><\/code>\uff1a\u8bbe\u7f6eJava\u5806\u7684\u521d\u59cb\u5927\u5c0f\u3002<\/li>\n
    • -Xmx<size><\/code>\uff1a\u8bbe\u7f6eJava\u5806\u7684\u6700\u5927\u5927\u5c0f\u3002<\/li>\n<\/ul>\n

      \u793a\u4f8b\uff1a<\/p>\n

      java -Xms256m -Xmx1024m -jar YourApplication.jar\n<\/code><\/pre>\n<\/li>\n
    • \n\u5806\u5916\u5185\u5b58\u5927\u5c0f\uff1a<\/strong><\/p>\n
        \n
      • -XX:MaxDirectMemorySize=<size><\/code>\uff1a\u8bbe\u7f6e\u6700\u5927\u7684\u76f4\u63a5\u5185\u5b58\u5927\u5c0f\u3002<\/li>\n<\/ul>\n
        \u793a\u4f8b\uff1a<\/p>\n
        java -XX:MaxDirectMemorySize=256m -jar YourApplication.jar\n<\/code><\/pre>\n<\/li>\n
      • \n\u6808\u5927\u5c0f\uff1a<\/strong><\/p>\n
          \n
        • -Xss<size><\/code>\uff1a\u8bbe\u7f6e\u6bcf\u4e2a\u7ebf\u7a0b\u7684\u6808\u5927\u5c0f\u3002<\/li>\n<\/ul>\n
          \u793a\u4f8b\uff1a<\/p>\n
          java -Xss256k -jar YourApplication.jar\n<\/code><\/pre>\n<\/li>\n
        • \n\u65b9\u6cd5\u533a\/\u5143\u7a7a\u95f4\u5927\u5c0f\uff1a<\/strong><\/p>\n
            \n
          • -XX:MaxMetaspaceSize=<size><\/code>\uff1a\u8bbe\u7f6e\u5143\u7a7a\u95f4\u7684\u6700\u5927\u5927\u5c0f\u3002<\/li>\n<\/ul>\n
            \u793a\u4f8b\uff1a<\/p>\n
            java -XX:MaxMetaspaceSize=256m -jar YourApplication.jar\n<\/code><\/pre>\n<\/li>\n
          • \n\u542f\u7528\u6216\u7981\u7528\u5783\u573e\u56de\u6536\u65e5\u5fd7\uff1a<\/strong><\/p>\n
              \n
            • -Xloggc:<filename><\/code>\uff1a\u542f\u7528\u5783\u573e\u56de\u6536\u65e5\u5fd7\uff0c\u5c06\u65e5\u5fd7\u8f93\u51fa\u5230\u6307\u5b9a\u6587\u4ef6\u3002<\/li>\n
            • -XX:+PrintGCDetails<\/code>\uff1a\u6253\u5370\u8be6\u7ec6\u7684\u5783\u573e\u56de\u6536\u4fe1\u606f\u3002<\/li>\n
            • -XX:+PrintGCDateStamps<\/code>\uff1a\u6253\u5370\u6bcf\u6b21\u5783\u573e\u56de\u6536\u7684\u65f6\u95f4\u6233\u3002<\/li>\n<\/ul>\n
              \u793a\u4f8b\uff1a<\/p>\n
              java -Xloggc:gc.log -XX:+PrintGCDetails -XX:+PrintGCDateStamps -jar YourApplication.jar\n<\/code><\/pre>\n<\/li>\n
            • \n\u9009\u62e9\u5783\u573e\u6536\u96c6\u5668\uff1a<\/strong><\/p>\n
                \n
              • -XX:+UseSerialGC<\/code>\uff1a\u4f7f\u7528\u4e32\u884c\u6536\u96c6\u5668\u3002<\/li>\n
              • -XX:+UseParallelGC<\/code>\uff1a\u4f7f\u7528\u5e76\u884c\u6536\u96c6\u5668\u3002<\/li>\n
              • -XX:+UseConcMarkSweepGC<\/code>\uff1a\u4f7f\u7528CMS\uff08Concurrent Mark-Sweep\uff09\u6536\u96c6\u5668\u3002<\/li>\n
              • -XX:+UseG1GC<\/code>\uff1a\u4f7f\u7528G1\uff08Garbage-First\uff09\u6536\u96c6\u5668\u3002<\/li>\n<\/ul>\n
                \u793a\u4f8b\uff1a<\/p>\n
                java -XX:+UseG1GC -jar YourApplication.jar\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
                \u8fd9\u53ea\u662f\u4e00\u4e9b\u57fa\u672c\u914d\u7f6e\u53c2\u6570\u7684\u793a\u4f8b\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u914d\u7f6e\u4f1a\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u5e94\u7528\u573a\u666f\u800c\u6709\u6240\u4e0d\u540c\u3002\u53ef\u4ee5\u901a\u8fc7\u67e5\u9605\u76f8\u5173\u6587\u6863\u548c\u4f7f\u7528 -XX:+PrintFlagsFinal<\/code> \u67e5\u770b\u6240\u6709\u53ef\u7528\u7684\u865a\u62df\u673a\u53c2\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                Java\u865a\u62df\u673a\u7684\u57fa\u672c\u914d\u7f6e\u53c2\u6570\u53ef\u4ee5\u901a\u8fc7\u5728\u547d\u4ee4\u884c\u542f\u52a8Java\u7a0b\u5e8f\u65f6\u4f7f\u7528-XX\u5f00\u5934\u7684\u9009\u9879\u8fdb\u884c\u8bbe\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u57fa […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119],"tags":[],"class_list":["post-11312","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=11312"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11312\/revisions"}],"predecessor-version":[{"id":16991,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11312\/revisions\/16991"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11312"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}