{"id":11225,"date":"2023-11-28T21:55:48","date_gmt":"2023-11-28T13:55:48","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11225"},"modified":"2023-12-08T11:15:26","modified_gmt":"2023-12-08T03:15:26","slug":"jvm-zhong-you-na-xie-shou-duan-yong-lai-pai-cha-ne","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-zhong-you-na-xie-shou-duan-yong-lai-pai-cha-ne\/","title":{"rendered":"JVM\u4e2d\u6709\u54ea\u4e9b\u624b\u6bb5\u7528\u6765\u6392\u67e5\u5185\u5b58\u6ea2\u51fa\uff1f"},"content":{"rendered":"

\u6392\u67e5\u5185\u5b58\u6ea2\u51fa\u95ee\u9898\u662f Java \u5e94\u7528\u7a0b\u5e8f\u8c03\u4f18\u548c\u6392\u9519\u7684\u4e00\u9879\u91cd\u8981\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u624b\u6bb5\u548c\u5de5\u5177\uff0c\u7528\u4e8e\u6392\u67e5 Java \u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u5185\u5b58\u6ea2\u51fa\u95ee\u9898\uff1a<\/p>\n

    \n
  1. \n\u5f02\u5e38\u4fe1\u606f\u5206\u6790\uff1a<\/strong><\/p>\n
      \n
    • Java \u865a\u62df\u673a\u5728\u53d1\u751f\u5185\u5b58\u6ea2\u51fa\u65f6\uff0c\u901a\u5e38\u4f1a\u629b\u51fa OutOfMemoryError<\/code> \u5f02\u5e38\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u9519\u8bef\u4fe1\u606f\u3002\u901a\u8fc7\u4ed4\u7ec6\u5206\u6790\u5f02\u5e38\u4fe1\u606f\uff0c\u53ef\u4ee5\u521d\u6b65\u5b9a\u4f4d\u95ee\u9898\u53d1\u751f\u7684\u5730\u65b9\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \nHeap Dump \u5206\u6790\uff1a<\/strong><\/p>\n
        \n
      • \u4f7f\u7528 JVM \u63d0\u4f9b\u7684\u53c2\u6570\uff0c\u5982 -XX:+HeapDumpOnOutOfMemoryError<\/code> \u548c -XX:HeapDumpPath=<path><\/code>\uff0c\u8ba9\u865a\u62df\u673a\u5728\u53d1\u751f\u5185\u5b58\u6ea2\u51fa\u65f6\u751f\u6210 Heap Dump \u6587\u4ef6\u3002\u7136\u540e\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u5982 Eclipse Memory Analyzer\uff08MAT\uff09\u3001VisualVM\u3001YourKit \u7b49\u6765\u5206\u6790 Heap Dump \u6587\u4ef6\uff0c\u67e5\u770b\u5185\u5b58\u4e2d\u7684\u5bf9\u8c61\u4fe1\u606f\u548c\u5f15\u7528\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \nGC \u65e5\u5fd7\u5206\u6790\uff1a<\/strong><\/p>\n
          \n
        • \u542f\u7528 GC \u65e5\u5fd7\uff0c\u901a\u8fc7\u53c2\u6570\u5982 -Xloggc:<filename><\/code> \u548c -XX:+PrintGCDetails<\/code> \u6765\u8f93\u51fa\u5783\u573e\u56de\u6536\u65e5\u5fd7\u3002\u5206\u6790 GC \u65e5\u5fd7\u53ef\u4ee5\u4e86\u89e3\u5783\u573e\u56de\u6536\u7684\u884c\u4e3a\uff0c\u67e5\u770b\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u548c\u56de\u6536\u60c5\u51b5\uff0c\u8fdb\u800c\u5b9a\u4f4d\u53ef\u80fd\u7684\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u5185\u5b58\u5206\u6790\u5de5\u5177\uff1a<\/strong><\/p>\n
            \n
          • \u4f7f\u7528\u4e13\u4e1a\u7684\u5185\u5b58\u5206\u6790\u5de5\u5177\uff0c\u5982 Eclipse Memory Analyzer\uff08MAT\uff09\u3001VisualVM\u3001YourKit \u7b49\u3002\u8fd9\u4e9b\u5de5\u5177\u63d0\u4f9b\u4e86\u76f4\u89c2\u7684\u56fe\u5f62\u754c\u9762\u548c\u4e30\u5bcc\u7684\u5206\u6790\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u53d1\u73b0\u6f5c\u5728\u7684\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \n\u4ee3\u7801\u5ba1\u67e5\uff1a<\/strong><\/p>\n
              \n
            • \u4ed4\u7ec6\u5ba1\u67e5\u5e94\u7528\u7a0b\u5e8f\u7684\u4ee3\u7801\uff0c\u67e5\u627e\u6f5c\u5728\u7684\u5185\u5b58\u6cc4\u6f0f\u70b9\u3002\u5173\u6ce8\u957f\u65f6\u95f4\u6301\u6709\u5bf9\u8c61\u5f15\u7528\u3001\u672a\u5173\u95ed\u7684\u8d44\u6e90\u3001\u4e0d\u5408\u7406\u7684\u7f13\u5b58\u4f7f\u7528\u7b49\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n
            • \n\u76d1\u63a7\u5de5\u5177\uff1a<\/strong><\/p>\n
                \n
              • \u4f7f\u7528\u76d1\u63a7\u5de5\u5177\uff0c\u5982 JConsole\u3001VisualVM\u3001Java Mission Control \u7b49\uff0c\u5b9e\u65f6\u76d1\u63a7\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u548c\u5783\u573e\u56de\u6536\u884c\u4e3a\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u65f6\u53d1\u73b0\u5185\u5b58\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n
              • \n\u6027\u80fd\u6d4b\u8bd5\uff1a<\/strong><\/p>\n
                  \n
                • \u5728\u6d4b\u8bd5\u73af\u5883\u4e2d\u8fdb\u884c\u6027\u80fd\u6d4b\u8bd5\uff0c\u6a21\u62df\u9ad8\u5e76\u53d1\u548c\u5927\u6570\u636e\u91cf\u7684\u60c5\u51b5\uff0c\u89c2\u5bdf\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u884c\u4e3a\u3002\u901a\u8fc7\u6027\u80fd\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u89e6\u53d1\u6f5c\u5728\u7684\u5185\u5b58\u6ea2\u51fa\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n
                • \n\u5229\u7528\u7b2c\u4e09\u65b9\u5de5\u5177\uff1a<\/strong><\/p>\n
                    \n
                  • \u4f7f\u7528\u4e00\u4e9b\u7b2c\u4e09\u65b9\u5de5\u5177\uff0c\u5982 LeakCanary\uff08Android \u5e73\u53f0\uff09\u3001jmap\u3001jstack\u3001jhat \u7b49\u3002\u8fd9\u4e9b\u5de5\u5177\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u624b\u6bb5\u6765\u5206\u6790\u5185\u5b58\u6ea2\u51fa\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                    \u7efc\u5408\u4f7f\u7528\u8fd9\u4e9b\u624b\u6bb5\uff0c\u53ef\u4ee5\u66f4\u5168\u9762\u5730\u4e86\u89e3\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u53d1\u73b0\u548c\u89e3\u51b3\u5185\u5b58\u6ea2\u51fa\u95ee\u9898\u3002\u5728\u6392\u67e5\u5185\u5b58\u6ea2\u51fa\u95ee\u9898\u65f6\uff0c\u901a\u5e38\u9700\u8981\u7ed3\u5408\u591a\u79cd\u624b\u6bb5\u548c\u5de5\u5177\uff0c\u4ee5\u5168\u9762\u5ba1\u67e5\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                    \u6392\u67e5\u5185\u5b58\u6ea2\u51fa\u95ee\u9898\u662f Java \u5e94\u7528\u7a0b\u5e8f\u8c03\u4f18\u548c\u6392\u9519\u7684\u4e00\u9879\u91cd\u8981\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u624b\u6bb5\u548c\u5de5\u5177\uff0c\u7528\u4e8e\u6392\u67e5 Java […]<\/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-11225","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11225","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=11225"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11225\/revisions"}],"predecessor-version":[{"id":16965,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11225\/revisions\/16965"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11225"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}