{"id":203884,"date":"2025-05-22T14:05:11","date_gmt":"2025-05-22T06:05:11","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203884\/"},"modified":"2025-05-22T14:05:11","modified_gmt":"2025-05-22T06:05:11","slug":"java-%e4%b8%ad-minorgc%e3%80%81majorgc%e3%80%81fullgc-%e5%88%b0%e5%ba%95%e6%98%af%e5%a6%82%e4%bd%95%e8%a7%a6%e5%8f%91%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203884\/","title":{"rendered":"Java \u4e2d MinorGC\u3001MajorGC\u3001FullGC \u5230\u5e95\u662f\u5982\u4f55\u89e6\u53d1\u7684\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u4e2d MinorGC\u3001MajorGC\u3001FullGC \u5230\u5e95\u662f\u5982\u4f55\u89e6\u53d1\u7684\uff1f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava \u4e2d MinorGC\u3001MajorGC\u3001FullGC \u5230\u5e95\u662f\u5982\u4f55\u89e6\u53d1\u7684\uff1f\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241130\/1732942664674a9b482160e.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u4e2d MinorGC\u3001MajorGC\u3001FullGC \u7684\u89e6\u53d1\u65f6\u673a<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u5783\u573e\u56de\u6536\u5668\u8d1f\u8d23\u56de\u6536\u4e0d\u518d\u88ab\u5f15\u7528\u7684\u5bf9\u8c61\u3002\u6839\u636e\u56de\u6536\u7684\u5bf9\u8c61\u533a\u57df\uff0c\u5b58\u5728 MinorGC\u3001MajorGC \u548c FullGC \u4e09\u79cd\u5783\u573e\u56de\u6536\u7c7b\u578b\u3002<\/p>\n<p><strong>MinorGC<\/strong><\/p>\n<p>\u5f53\u5e74\u8f7b\u4ee3\u7a7a\u95f4\uff08Eden \u533a\u548c Survivor \u533a\uff09\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5bf9\u8c61\u65f6\uff0c\u4f1a\u89e6\u53d1 MinorGC\u3002MinorGC \u4e3b\u8981\u56de\u6536\u5e74\u8f7b\u4ee3\u4e2d\u7684\u77ed\u671f\u5b58\u6d3b\u5bf9\u8c61\uff0c\u65f6\u95f4\u901a\u5e38\u8f83\u77ed\uff0c\u901a\u5e38\u5728\u6beb\u79d2\u7ea7\u3002<\/p>\n<p><strong>MajorGC<\/strong><\/p>\n<p>MajorGC \u662f\u6307\u5bf9\u8001\u5e74\u4ee3\u7684\u5783\u573e\u56de\u6536\u3002\u5b83\u901a\u5e38\u4f34\u968f MinorGC \u53d1\u751f\u3002\u5f53\u5e74\u8f7b\u4ee3\u4e2d\u7684\u957f\u671f\u5b58\u6d3b\u5bf9\u8c61\u9700\u8981\u88ab\u664b\u5347\u5230\u8001\u5e74\u4ee3\u65f6\uff0c\u8001\u5e74\u4ee3\u7a7a\u95f4\u4e0d\u8db3\u7684\u60c5\u51b5\u4e5f\u53ef\u80fd\u5bfc\u81f4 MajorGC\u3002\u4e0e MinorGC \u76f8\u6bd4\uff0cMajorGC \u7684\u65f6\u95f4\u8981\u957f\u5f97\u591a\uff0c\u901a\u5e38\u5728\u6570\u767e\u6beb\u79d2\u5230\u5206\u79d2\u7ea7\u3002<\/p>\n<p><strong>FullGC<\/strong><\/p>\n<p>FullGC \u662f\u5bf9\u6574\u4e2a Java \u5806\u7a7a\u95f4\uff08\u5305\u62ec\u5e74\u8f7b\u4ee3\u548c\u8001\u5e74\u4ee3\uff09\u8fdb\u884c\u7684\u5783\u573e\u56de\u6536\u3002\u5b83\u901a\u5e38\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u53d1\u751f\uff1a<\/p>\n<ul>\n<li>\u8001\u5e74\u4ee3\u65e0\u6cd5\u518d\u5206\u914d\u5185\u5b58\uff1b<\/li>\n<li>\u5143\u7a7a\u95f4\u4e0d\u8db3\uff08\u5728 Java 8 \u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\uff0c\u5b58\u50a8\u7c7b\u5143\u6570\u636e\u548c\u65b9\u6cd5\u7684\u533a\u57df\uff09\uff1b<\/li>\n<li>\u663e\u793a\u8c03\u7528\u4e86 System.gc()\uff1b<\/li>\n<li>\u50cf CMS \u4e00\u7c7b\u7684\u5783\u573e\u56de\u6536\u5668\u5728 MinorGC \u4e2d\u51fa\u73b0\u664b\u5347\u5931\u8d25\uff08promotion failure\uff09\u65f6\u3002<\/li>\n<\/ul>\n<p>FullGC \u65f6\u95f4\u6700\u957f\uff0c\u53ef\u80fd\u957f\u8fbe\u51e0\u5341\u79d2\u751a\u81f3\u51e0\u5206\u949f\uff0c\u5bf9\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u6709\u8f83\u5927\u5f71\u54cd\u3002\u907f\u514d\u9891\u7e41\u7684 FullGC \u5bf9\u4e8e\u7ef4\u6301\u5e94\u7528\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aJava \u4e2d MinorGC\u3001MajorGC\u3001FullGC \u5230\u5e95\u662f\u5982\u4f55\u89e6\u53d1\u7684\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u4e2d MinorGC\u3001M&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203884","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203884"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203884\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}