{"id":11322,"date":"2023-11-28T22:00:08","date_gmt":"2023-11-28T14:00:08","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11322"},"modified":"2023-12-09T09:51:17","modified_gmt":"2023-12-09T01:51:17","slug":"jvm-zhong-minorgc-majorgcfullgc-shen-me-shi-hou-fa","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-zhong-minorgc-majorgcfullgc-shen-me-shi-hou-fa\/","title":{"rendered":"JVM \u4e2d MinorGC\u3001 MajorGC\u3001FullGC \u4ec0\u4e48\u65f6\u5019\u53d1\u751f\uff1f"},"content":{"rendered":"

\u5783\u573e\u6536\u96c6\uff08Garbage Collection\uff0cGC\uff09\u662fJava\u865a\u62df\u673a\uff08JVM\uff09\u7ba1\u7406\u5185\u5b58\u7684\u91cd\u8981\u673a\u5236\u3002\u5728\u5783\u573e\u6536\u96c6\u8fc7\u7a0b\u4e2d\uff0c\u6709\u4e09\u4e2a\u5e38\u89c1\u7684\u672f\u8bed\uff1aMinor GC\u3001Major GC\uff08\u6216\u79f0\u4e3aFull GC\uff09\u3001Full GC\u3002\u5b83\u4eec\u5206\u522b\u8868\u793a\u4e0d\u540c\u7684\u5783\u573e\u6536\u96c6\u9636\u6bb5\u548c\u65b9\u5f0f\u3002<\/p>\n

    \n
  1. \nMinor GC\uff08\u5e74\u8f7b\u4ee3GC\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u53d1\u751f\u5728\u5e74\u8f7b\u4ee3\uff08Young Generation\uff09\uff0c\u4e3b\u8981\u7528\u4e8e\u56de\u6536\u65b0\u751f\u4ee3\u7684\u5783\u573e\u5bf9\u8c61\u3002\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u9996\u5148\u88ab\u5206\u914d\u5728\u5e74\u8f7b\u4ee3\uff0c\u5f53\u5e74\u8f7b\u4ee3\u7a7a\u95f4\u4e0d\u8db3\u65f6\u5c31\u4f1a\u89e6\u53d1Minor GC\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cMinor GC\u7684\u53d1\u751f\u9891\u7387\u6bd4\u8f83\u9ad8\uff0c\u56e0\u4e3a\u5927\u591a\u6570\u5bf9\u8c61\u90fd\u5f88\u5feb\u53d8\u4e3a\u5783\u573e\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \nMajor GC\uff08\u8001\u5e74\u4ee3GC\uff09\uff1a<\/strong><\/p>\n
        \n
      • Major GC\uff08\u6216\u79f0\u4e3aOld GC\uff09\u662f\u6307\u5bf9\u8001\u5e74\u4ee3\uff08Tenured Generation\uff09\u8fdb\u884c\u7684\u5783\u573e\u6536\u96c6\u3002\u8001\u5e74\u4ee3\u4e3b\u8981\u5b58\u653e\u751f\u5b58\u65f6\u95f4\u8f83\u957f\u7684\u5bf9\u8c61\uff0c\u5f53\u8001\u5e74\u4ee3\u7a7a\u95f4\u4e0d\u8db3\u65f6\u5c31\u4f1a\u89e6\u53d1Major GC\u3002Major GC\u901a\u5e38\u4f34\u968f\u7740\u4e00\u6b21\u6216\u591a\u6b21\u7684Minor GC\uff0c\u56e0\u4e3a\u5728\u65b0\u751f\u4ee3\u5783\u573e\u6536\u96c6\u7684\u540c\u65f6\uff0c\u4e00\u4e9b\u5bf9\u8c61\u4f1a\u88ab\u79fb\u5230\u8001\u5e74\u4ee3\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \nFull GC\uff1a<\/strong><\/p>\n
          \n
        • Full GC\u662f\u5bf9\u6574\u4e2a\u5806\u7a7a\u95f4\uff08\u5305\u62ec\u5e74\u8f7b\u4ee3\u548c\u8001\u5e74\u4ee3\uff09\u7684\u5783\u573e\u6536\u96c6\u3002\u4e0eMajor GC\u7684\u533a\u522b\u5728\u4e8e\uff0cFull GC\u4f1a\u6e05\u7406\u6574\u4e2a\u5806\uff0c\u5305\u62ec\u65b0\u751f\u4ee3\u3001\u8001\u5e74\u4ee3\u4ee5\u53ca\u6301\u4e45\u4ee3\u3002Full GC\u901a\u5e38\u53d1\u751f\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u60c5\u51b5\uff0c\u4f8b\u5982\u6c38\u4e45\u4ee3\uff08\u5728Java 8\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\uff09\u6216\u5143\u7a7a\u95f4\uff08\u5728Java 8\u53ca\u4e4b\u540e\u7684\u7248\u672c\u4e2d\uff09\u7a7a\u95f4\u4e0d\u8db3\uff0c\u6216\u8005\u7531\u4e8e\u67d0\u4e9b\u7b56\u7565\u7684\u89e6\u53d1\u800c\u5bfc\u81f4\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

          \u5783\u573e\u6536\u96c6\u7684\u76ee\u6807\u662f\u91ca\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\uff0c\u4ece\u800c\u56de\u6536\u5185\u5b58\u7a7a\u95f4\u3002\u4e0d\u540c\u7684\u5783\u573e\u6536\u96c6\u9636\u6bb5\u9488\u5bf9\u4e0d\u540c\u7684\u5185\u5b58\u533a\u57df\uff0c\u4ee5\u8fbe\u5230\u9ad8\u6548\u7ba1\u7406\u5185\u5b58\u7684\u76ee\u7684\u3002Minor GC\u548cMajor GC\u901a\u5e38\u662f\u5e76\u53d1\u7684\uff0c\u800cFull GC\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8f83\u957f\u65f6\u95f4\u7684\u505c\u987f\uff0c\u56e0\u4e3a\u5b83\u9700\u8981\u5bf9\u6574\u4e2a\u5806\u8fdb\u884c\u6536\u96c6\u3002\u4f18\u5316\u5783\u573e\u6536\u96c6\u662fJava\u865a\u62df\u673a\u7684\u4e00\u4e2a\u91cd\u8981\u65b9\u9762\uff0c\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u5783\u573e\u6536\u96c6\uff08Garbage Collection\uff0cGC\uff09\u662fJava\u865a\u62df\u673a\uff08JVM\uff09\u7ba1\u7406\u5185\u5b58\u7684\u91cd\u8981\u673a\u5236\u3002\u5728\u5783\u573e\u6536\u96c6 […]<\/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-11322","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11322","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=11322"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11322\/revisions"}],"predecessor-version":[{"id":17024,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11322\/revisions\/17024"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11322"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}