{"id":10420,"date":"2023-11-28T21:34:19","date_gmt":"2023-11-28T13:34:19","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10420"},"modified":"2023-12-07T11:24:10","modified_gmt":"2023-12-07T03:24:10","slug":"jvm-zhong-minorgc-majorgc-fullgc-dou-shen-me-shi-h","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-zhong-minorgc-majorgc-fullgc-dou-shen-me-shi-h\/","title":{"rendered":"JVM \u4e2d MinorGC, MajorGC\u3001 FullGC \u90fd\u4ec0\u4e48\u65f6\u5019\u53d1\u751f\uff1f"},"content":{"rendered":"

\u5728Java\u865a\u62df\u673a\u4e2d\uff0c\u5783\u573e\u6536\u96c6\uff08Garbage Collection\uff09\u53ef\u4ee5\u5206\u4e3a\u4e24\u4e2a\u9636\u6bb5\uff1a\u5e74\u8f7b\u4ee3\u5783\u573e\u6536\u96c6\uff08Minor GC\uff09\u548c\u8001\u5e74\u4ee3\u5783\u573e\u6536\u96c6\uff08Major GC \u6216 Full GC\uff09\u3002\u8fd9\u4e9b\u6536\u96c6\u4e8b\u4ef6\u7684\u53d1\u751f\u65f6\u673a\u4e0d\u540c\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n

    \n
  1. \nMinor GC\uff08\u5e74\u8f7b\u4ee3\u5783\u573e\u6536\u96c6\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u89e6\u53d1\u65f6\u673a\uff1a<\/strong> \u5728\u5e74\u8f7b\u4ee3\uff08\u5305\u62ecEden\u533a\u548cSurvivor\u533a\uff09\u4e2d\u7684\u5bf9\u8c61\u8fdb\u884c\u5783\u573e\u6536\u96c6\u7684\u8fc7\u7a0b\u79f0\u4e3aMinor GC\u3002\u901a\u5e38\uff0c\u5b83\u53d1\u751f\u5728\u5e74\u8f7b\u4ee3\u7a7a\u95f4\u4e0d\u8db3\u65f6\u3002<\/li>\n
    • \u539f\u56e0\uff1a<\/strong> \u5927\u591a\u6570\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u5f88\u77ed\u6682\uff0c\u56e0\u6b64\u5e74\u8f7b\u4ee3\u5783\u573e\u6536\u96c6\u9891\u7e41\u8fdb\u884c\uff0c\u53ea\u6709\u5c11\u6570\u5bf9\u8c61\u4f1a\u5b58\u6d3b\u5230\u4e00\u5b9a\u7684\u5e74\u9f84\uff08\u901a\u8fc7\u5bf9\u8c61\u7684\u5e74\u9f84\u8ba1\u6570\u5668\u5224\u65ad\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \nMajor GC\uff08\u8001\u5e74\u4ee3\u5783\u573e\u6536\u96c6\uff09\uff1a<\/strong><\/p>\n
        \n
      • \u89e6\u53d1\u65f6\u673a\uff1a<\/strong> \u5728\u8001\u5e74\u4ee3\u8fdb\u884c\u5783\u573e\u6536\u96c6\u7684\u8fc7\u7a0b\u79f0\u4e3aMajor GC\u3002\u8001\u5e74\u4ee3\u5783\u573e\u6536\u96c6\u901a\u5e38\u53d1\u751f\u5728\u8001\u5e74\u4ee3\u7a7a\u95f4\u4e0d\u8db3\u3001\u6c38\u4e45\u4ee3\u7a7a\u95f4\u4e0d\u8db3\uff08JVM\u7248\u672c\u8f83\u65e7\uff0c\u4f7f\u7528\u6c38\u4e45\u4ee3\u7684\u60c5\u51b5\uff09\uff0c\u6216\u8005\u901a\u8fc7CMS\u7b49\u6536\u96c6\u5668\u7684\u5e76\u53d1\u6536\u96c6\u5468\u671f\u4e2d\u3002<\/li>\n
      • \u539f\u56e0\uff1a<\/strong> \u5728\u5e74\u8f7b\u4ee3\u4e2d\u5b58\u6d3b\u8fc7\u591a\u6b21\u5783\u573e\u6536\u96c6\u7684\u5bf9\u8c61\u4f1a\u88ab\u664b\u5347\u5230\u8001\u5e74\u4ee3\u3002\u8001\u5e74\u4ee3\u7684\u5783\u573e\u6536\u96c6\u5468\u671f\u76f8\u5bf9\u8f83\u957f\uff0c\u56e0\u4e3a\u5bf9\u8c61\u5728\u8001\u5e74\u4ee3\u5b58\u6d3b\u7684\u65f6\u95f4\u8f83\u957f\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \nFull GC\uff08\u5b8c\u5168\u5783\u573e\u6536\u96c6\uff09\uff1a<\/strong><\/p>\n
          \n
        • \u89e6\u53d1\u65f6\u673a\uff1a<\/strong> Full GC \u662f\u5bf9\u6574\u4e2a\u5806\u7a7a\u95f4\u8fdb\u884c\u5783\u573e\u6536\u96c6\u7684\u8fc7\u7a0b\uff0c\u5305\u62ec\u5e74\u8f7b\u4ee3\u548c\u8001\u5e74\u4ee3\u3002Full GC \u901a\u5e38\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u53d1\u751f\uff1a\n
            \n
          • \u8001\u5e74\u4ee3\u7a7a\u95f4\u4e0d\u8db3\uff0c\u5e76\u4e14\u65e0\u6cd5\u901a\u8fc7Minor GC\u89e3\u51b3\u3002<\/li>\n
          • \u6c38\u4e45\u4ee3\u7a7a\u95f4\u4e0d\u8db3\uff08JVM\u7248\u672c\u8f83\u65e7\uff0c\u4f7f\u7528\u6c38\u4e45\u4ee3\u7684\u60c5\u51b5\uff09\u3002<\/li>\n
          • \u8fdb\u884c\u4e00\u4e9b\u7279\u6b8a\u7684\u5783\u573e\u6536\u96c6\u884c\u4e3a\uff0c\u5982CMS\u6536\u96c6\u5668\u7684\u9636\u6bb5\u5207\u6362\u3001G1\u6536\u96c6\u5668\u7684\u6574\u7406\u9636\u6bb5\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \u539f\u56e0\uff1a<\/strong> Full GC \u662f\u4e00\u79cd\u8f83\u4e3a\u8017\u65f6\u7684\u5783\u573e\u6536\u96c6\u64cd\u4f5c\uff0c\u4f1a\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u6682\u505c\u3002\u56e0\u6b64\uff0c\u5c3d\u91cf\u51cf\u5c11 Full GC \u7684\u9891\u7387\u662f\u6027\u80fd\u4f18\u5316\u7684\u76ee\u6807\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

            \u603b\u7684\u6765\u8bf4\uff0cMinor GC\u9891\u7e41\u53d1\u751f\uff0c\u4e3b\u8981\u7528\u4e8e\u56de\u6536\u77ed\u671f\u5b58\u6d3b\u7684\u5bf9\u8c61\uff1bMajor GC\u548cFull GC\u8f83\u4e3a\u8017\u65f6\uff0c\u4f1a\u5bfc\u81f4\u8f83\u957f\u7684\u505c\u987f\u65f6\u95f4\uff0c\u4e3b\u8981\u7528\u4e8e\u56de\u6536\u8001\u5e74\u4ee3\u548c\u6574\u4e2a\u5806\u7a7a\u95f4\u3002\u4e0d\u540c\u7684\u5783\u573e\u6536\u96c6\u5668\u548c\u914d\u7f6e\u53ef\u4ee5\u5f71\u54cd\u8fd9\u4e9b\u5783\u573e\u6536\u96c6\u4e8b\u4ef6\u7684\u53d1\u751f\u65f6\u673a\u548c\u9891\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

            \u5728Java\u865a\u62df\u673a\u4e2d\uff0c\u5783\u573e\u6536\u96c6\uff08Garbage Collection\uff09\u53ef\u4ee5\u5206\u4e3a\u4e24\u4e2a\u9636\u6bb5\uff1a\u5e74\u8f7b\u4ee3\u5783\u573e\u6536\u96c6\uff08Mino […]<\/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-10420","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10420","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=10420"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10420\/revisions"}],"predecessor-version":[{"id":16836,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10420\/revisions\/16836"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10420"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}