{"id":10493,"date":"2023-11-28T21:36:21","date_gmt":"2023-11-28T13:36:21","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10493"},"modified":"2023-12-07T11:38:35","modified_gmt":"2023-12-07T03:38:35","slug":"jvm-zhong-la-ji-hui-shou-shi-hou-ru-he-que-ding-la","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-zhong-la-ji-hui-shou-shi-hou-ru-he-que-ding-la\/","title":{"rendered":"JVM\u4e2d\u5783\u573e\u56de\u6536\u65f6\u5019\u5982\u4f55\u786e\u5b9a\u5783\u573e\uff1f\u4ec0\u4e48\u662fGC Roots?"},"content":{"rendered":"<p>\u5728 Java \u865a\u62df\u673a\u4e2d\uff0c\u5783\u573e\u56de\u6536\uff08Garbage Collection\uff0cGC\uff09\u662f\u901a\u8fc7\u6807\u8bb0-\u6e05\u9664\u3001\u590d\u5236\u3001\u6807\u8bb0-\u6574\u7406\u7b49\u7b97\u6cd5\u6765\u8fdb\u884c\u7684\u3002\u786e\u5b9a\u5783\u573e\u7684\u6838\u5fc3\u601d\u60f3\u662f\u901a\u8fc7\u53ef\u8fbe\u6027\u5206\u6790\uff0c\u5373\u4ece\u4e00\u7ec4\u88ab\u79f0\u4e3a GC Roots \u7684\u6839\u5bf9\u8c61\u51fa\u53d1\uff0c\u901a\u8fc7\u5bf9\u8c61\u4e4b\u95f4\u7684\u5f15\u7528\u94fe\uff0c\u627e\u5230\u6240\u6709\u7684\u53ef\u8fbe\u5bf9\u8c61\uff0c\u800c\u90a3\u4e9b\u4e0d\u53ef\u8fbe\u7684\u5bf9\u8c61\u5373\u88ab\u8ba4\u4e3a\u662f\u5783\u573e\u3002<\/p>\n<p><strong>GC Roots<\/strong> \u662f\u6307\u4e00\u7ec4\u5bf9\u8c61\uff0c\u5b83\u4eec\u88ab\u8ba4\u4e3a\u662f\u7a0b\u5e8f\u4e2d\u80fd\u76f4\u63a5\u5f15\u7528\u5230\u7684\u5bf9\u8c61\u3002GC Roots \u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\u7c7b\u578b\uff1a<\/p>\n<ol>\n<li>\n<strong>\u865a\u62df\u673a\u6808\uff08Stack Frames\uff09\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\u548c\u8f93\u5165\u53c2\u6570\uff1a<\/strong><\/p>\n<ul>\n<li>\u5f15\u7528\u7684\u5bf9\u8c61\u53ef\u80fd\u5728\u65b9\u6cd5\u8c03\u7528\u6808\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\u3001\u53c2\u6570\u4e2d\uff0c\u53ea\u8981\u8fd9\u4e9b\u53d8\u91cf\u6216\u53c2\u6570\u662f\u6d3b\u52a8\u7684\uff0c\u90a3\u4e48\u88ab\u5f15\u7528\u7684\u5bf9\u8c61\u5c31\u5c5e\u4e8e GC Roots\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u65b9\u6cd5\u533a\u4e2d\u7684\u7c7b\u9759\u6001\u5c5e\u6027\u5f15\u7528\u7684\u5bf9\u8c61\uff1a<\/strong><\/p>\n<ul>\n<li>\u9759\u6001\u53d8\u91cf\u5c5e\u4e8e\u7c7b\u7684\u72b6\u6001\uff0c\u5b83\u968f\u7740\u7c7b\u7684\u52a0\u8f7d\u800c\u52a0\u8f7d\uff0c\u53ea\u6709\u5f53\u7c7b\u88ab\u5378\u8f7d\u65f6\uff0c\u9759\u6001\u53d8\u91cf\u5f15\u7528\u7684\u5bf9\u8c61\u624d\u4f1a\u88ab\u91ca\u653e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u65b9\u6cd5\u533a\u4e2d\u5e38\u91cf\u5f15\u7528\u7684\u5bf9\u8c61\uff1a<\/strong><\/p>\n<ul>\n<li>\u5e38\u91cf\u6c60\u4e2d\u7684\u5e38\u91cf\uff0c\u4f8b\u5982\u5b57\u7b26\u4e32\u5e38\u91cf\uff0c\u88ab\u5e38\u91cf\u5f15\u7528\u7684\u5bf9\u8c61\u4e5f\u5c5e\u4e8e GC Roots\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u672c\u5730\u65b9\u6cd5\u6808\u4e2d JNI\uff08Java Native Interface\uff09\u5f15\u7528\u7684\u5bf9\u8c61\uff1a<\/strong><\/p>\n<ul>\n<li>JNI \u662f Java 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\u76f8\u8fde\u63a5\u7684\u5bf9\u8c61\u4e3a\u5b58\u6d3b\u5bf9\u8c61\uff0c\u800c\u6ca1\u6709\u88ab\u6807\u8bb0\u7684\u5bf9\u8c61\u5373\u88ab\u8ba4\u4e3a\u662f\u5783\u573e\uff0c\u5c06\u88ab\u56de\u6536\u3002<\/p>\n<p>\u8fd9\u79cd\u53ef\u8fbe\u6027\u5206\u6790\u7684\u65b9\u5f0f\u662f\u4fdd\u8bc1\u5783\u573e\u56de\u6536\u6b63\u786e\u6027\u7684\u5173\u952e\uff0c\u56e0\u4e3a\u5b83\u786e\u4fdd\u4e86\u53ea\u6709\u90a3\u4e9b\u80fd\u591f\u88ab\u7a0b\u5e8f\u76f4\u63a5\u6216\u95f4\u63a5\u8bbf\u95ee\u5230\u7684\u5bf9\u8c61\u624d\u4f1a\u88ab\u4fdd\u7559\uff0c\u800c\u65e0\u6cd5\u88ab\u8bbf\u95ee\u7684\u5bf9\u8c61\u5219\u88ab\u8ba4\u5b9a\u4e3a\u5783\u573e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Java \u865a\u62df\u673a\u4e2d\uff0c\u5783\u573e\u56de\u6536\uff08Garbage Collection\uff0cGC\uff09\u662f\u901a\u8fc7\u6807\u8bb0-\u6e05\u9664\u3001\u590d\u5236\u3001\u6807\u8bb0-\u6574 [&hellip;]<\/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-10493","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10493","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=10493"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10493\/revisions"}],"predecessor-version":[{"id":16849,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10493\/revisions\/16849"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10493"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}