{"id":2868,"date":"2018-06-16T18:29:57","date_gmt":"2018-06-16T10:29:57","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=2868"},"modified":"2018-06-16T18:29:57","modified_gmt":"2018-06-16T10:29:57","slug":"%e5%a6%82%e4%bd%95%e5%ae%9e%e6%97%b6%e7%9b%91%e6%8e%a7-java-%e7%a8%8b%e5%ba%8f%e7%9a%84%e5%86%85%e5%ad%98%e4%bf%a1%e6%81%af%ef%bc%88spring-boot-actuator%e5%8e%9f%e7%90%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=2868","title":{"rendered":"\u5982\u4f55\u5b9e\u65f6\u76d1\u63a7 Java \u7a0b\u5e8f\u7684\u5185\u5b58\u4fe1\u606f\uff08spring boot actuator\u539f\u7406\uff09"},"content":{"rendered":"<p>\n\t\u5728 Spring boot \u6846\u67b6\u4e2d\u5f15\u5165&nbsp;actuator \u5c31\u80fd\u5b9e\u73b0\u7a0b\u5e8f\u7684\u90e8\u5206\u529f\u80fd\u548c\u6027\u80fd\uff0c\u4ee5\u53ca\u8fd0\u884c\u60c5\u51b5\u7684\u76d1\u63a7\u3002\u90a3\u4e48&nbsp;actuator \u7684\u76d1\u63a7\u539f\u7406\u662f\u4ec0\u4e48\u5462\uff1f\u975e Spring Boot \u7a0b\u5e8f\u5982\u4f55\u5b9e\u73b0\u5185\u5b58\u7b49\u4fe1\u606f\u7684\u76d1\u63a7\u5462\uff1f\u672c\u6587\u544a\u8bc9\u4f60\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e9b\u529f\u80fd\u3002\n<\/p>\n<p>\n\tactuator \u7684\u76d1\u63a7\u6307\u6807\u5176\u5b9e\u5c31\u662f Java \u7a0b\u5e8f\u7684\u5185\u5b58\u7b49\u4fe1\u606f\uff0c\u8fd9\u4e9b\u90fd\u53ef\u4ee5\u4f7f\u7528 Java \u7684 api \u83b7\u53d6\u5230\u3002\u90a3\u4e48 Java \u7684\u5185\u5b58\u4fe1\u606f\u662f\u5982\u4f55\u88ab\u76d1\u63a7\u7684\u5462\uff1f\u7b54\u6848\u5c31\u662f&nbsp;Runtime.getRuntime() \u63d0\u4f9b\u7684\u51e0\u4e2a\u65b9\u6cd5\u3002\n<\/p>\n<ul>\n<li>\n<p>\n\t\t\tRuntime.getRuntime().maxMemory(); \/\/\u6700\u5927\u53ef\u7528\u5185\u5b58\uff0c\u5bf9\u5e94-Xmx&nbsp;\n\t\t<\/p>\n<\/li>\n<li>\n<p>\n\t\t\tRuntime.getRuntime().freeMemory(); \/\/\u5f53\u524dJVM\u7a7a\u95f2\u5185\u5b58&nbsp;\n\t\t<\/p>\n<\/li>\n<li>\n<p>\n\t\t\tRuntime.getRuntime().totalMemory(); \/\/\u5f53\u524dJVM\u5360\u7528\u7684\u5185\u5b58\u603b\u6570\uff0c\u5176\u503c\u76f8\u5f53\u4e8e\u5f53\u524dJVM\u5df2\u4f7f\u7528\u7684\u5185\u5b58\u53cafreeMemory()\u7684\u603b\u548c&nbsp;\n\t\t<\/p>\n<\/li>\n<\/ul>\n<p>\n\t\u5173\u4e8emaxMemory()\uff0cfreeMemory()\u548ctotalMemory()\uff1amaxMemory()\u4e3aJVM\u7684\u6700\u5927\u53ef\u7528\u5185\u5b58\uff0c\u53ef\u901a\u8fc7-Xmx\u8bbe\u7f6e\uff0c\u9ed8\u8ba4\u503c\u4e3a\u7269\u7406\u5185\u5b58\u76841\/4\uff0c\u8bbe\u7f6e\u4e0d\u80fd\u9ad8\u4e8e\u8ba1\u7b97\u673a\u7269\u7406\u5185\u5b58\uff1b &nbsp;totalMemory()\u4e3a\u5f53\u524dJVM\u5360\u7528\u7684\u5185\u5b58\u603b\u6570\uff0c\u5176\u503c\u76f8\u5f53\u4e8e\u5f53\u524dJVM\u5df2\u4f7f\u7528\u7684\u5185\u5b58\u53cafreeMemory()\u7684\u603b\u548c\uff0c\u4f1a\u968f\u7740JVM\u4f7f\u7528\u5185\u5b58\u7684\u589e\u52a0\u800c\u589e\u52a0\uff1b &nbsp;freeMemory()\u4e3a\u5f53\u524dJVM\u7a7a\u95f2\u5185\u5b58\uff0c\u56e0\u4e3aJVM\u53ea\u6709\u5728\u9700\u8981\u5185\u5b58\u65f6\u624d\u5360\u7528\u7269\u7406\u5185\u5b58\u4f7f\u7528\uff0c\u6240\u4ee5freeMemory()\u7684\u503c\u4e00\u822c\u60c5\u51b5\u4e0b\u90fd\u5f88\u5c0f\uff0c\u800cJVM\u5b9e\u9645\u53ef\u7528\u5185\u5b58\u5e76\u4e0d\u7b49\u4e8efreeMemory()\uff0c\u800c\u5e94\u8be5\u7b49\u4e8emaxMemory()-totalMemory()+freeMemory()\u3002<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=2868\">\u5982\u4f55\u5b9e\u65f6\u76d1\u63a7 Java \u7a0b\u5e8f\u7684\u5185\u5b58\u4fe1\u606f\uff08spring boot actuator\u539f\u7406\uff09<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u5728 Spring boot \u6846\u67b6\u4e2d\u5f15\u5165&nbsp;actuator \u5c31\u80fd\u5b9e\u73b0\u7a0b\u5e8f\u7684\u90e8\u5206\u529f\u80fd\u548c\u6027\u80fd\uff0c\u4ee5\u53ca\u8fd0\u884c\u60c5\u51b5 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[328,327,731,657,1646],"class_list":["post-2868","post","type-post","status-publish","format-standard","hentry","category-java","tag-gc","tag-java","tag-jvm","tag-shared-memory","tag-1646"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2868"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2868\/revisions"}],"predecessor-version":[{"id":2869,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2868\/revisions\/2869"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}