{"id":2828,"date":"2018-06-02T12:58:52","date_gmt":"2018-06-02T04:58:52","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=2828"},"modified":"2018-06-02T12:58:52","modified_gmt":"2018-06-02T04:58:52","slug":"%e8%a7%a3%e5%86%b3-eureka-server-%e4%b8%8d%e8%b8%a2%e5%87%ba%e5%b7%b2%e5%85%b3%e5%81%9c%e7%9a%84%e8%8a%82%e7%82%b9%e9%97%ae%e9%a2%98%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=2828","title":{"rendered":"\u89e3\u51b3 Eureka Server \u4e0d\u8e22\u51fa\u5df2\u5173\u505c\u7684\u8282\u70b9\u95ee\u9898\u7684\u65b9\u6cd5"},"content":{"rendered":"<p>\n\tEureka Server \u670d\u52a1\u542f\u52a8\u540e\uff0c\u6211\u4eec\u6ce8\u518c\u5230&nbsp;Eureka Server \u7684\u670d\u52a1\u5173\u95ed\u6216\u505c\u6389\u7684\u5e94\u7528\uff0cEureka Server \u9ed8\u8ba4\u4f1a\u4fdd\u7559\u8fd9\u4e9b\u8282\u70b9\uff0c\u5e76\u4e0d\u4f1a\u628a\u5b83\u4eec\u7acb\u5373\u5220\u9664\u6389\u3002\u4ece\u800c\u8fbe\u5230\u8bef\u5220\u9664\u9ad8\u53ef\u7528\uff0c\u4f46\u662f\u8fd9\u6837\u4f1a\u4ea7\u751f\u4e00\u4e9b\u5176\u4ed6\u95ee\u9898\uff0c\u90a3\u4e48\u5982\u4f55\u8ba9&nbsp;Eureka Server \u8e22\u51fa\u5df2\u5173\u505c\u7684\u8282\u70b9\u5462\uff1f\u672c\u6587\u6765\u544a\u8bc9\u4f60\u7b54\u6848\u3002\n<\/p>\n<p>\n\tEMERGENCY! EUREKA MAY BE INCORRECTLY CLAIMING INSTANCES ARE UP WHEN THEY&#039;RE NOT. RENEWALS ARE LESSER THAN THRESHOLD AND HENCE THE INSTANCES ARE NOT BEING EXPIRED JUST TO BE SAFE.&nbsp;\n<\/p>\n<p>\n\t\u9996\u5148\u6211\u4eec\u9700\u8981\u660e\u767d\uff0cEureka Server \u4e3a\u4ec0\u4e48\u4f1a\u4e0d\u8e22\u51fa\u5df2\u5173\u505c\u7684\u8282\u70b9\u3002\u539f\u56e0\u662f\u5b83\u7684\u81ea\u6211\u4fdd\u62a4\u673a\u5236\u3002\u65e2\u7136\u77e5\u9053\u4e86\u539f\u56e0\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u53ef\u4ee5\u5c1d\u8bd5\u662f\u5426\u53ef\u4ee5\u5173\u95ed\u6389&nbsp;Eureka Server \u7684\u81ea\u6211\u4fdd\u62a4\u673a\u5236\u5462\uff1f\n<\/p>\n<p>\n\t\u7b54\u6848\u5f53\u7136\u662f\u53ef\u4ee5\u7684\uff0cEureka Server \u63d0\u4f9b\u4e86\u4e00\u4e9b\u914d\u7f6e\uff0c\u6211\u4eec\u53ea\u9700\u8981\u7565\u505a\u914d\u7f6e\u4e0a\u7684\u6539\u52a8\u5373\u53ef\u3002\n<\/p>\n<p>\n\t\u7531\u4e8eEureka\u62e5\u6709\u81ea\u6211\u4fdd\u62a4\u673a\u5236\uff0c\u5f53\u5176\u6ce8\u518c\u8868\u91cc\u670d\u52a1\u56e0\u4e3a\u7f51\u7edc\u6216\u5176\u4ed6\u539f\u56e0\u51fa\u73b0\u6545\u969c\u800c\u5173\u505c\u65f6\uff0cEureka\u4e0d\u4f1a\u5254\u9664\u670d\u52a1\u6ce8\u518c\uff0c\u800c\u662f\u7b49\u5f85\u5176\u4fee\u590d\u3002\u8fd9\u662fAP\u7684\u4e00\u79cd\u5b9e\u73b0\u3002&nbsp;<br \/>\n\t\u4e3a\u4e86\u8ba9\u5176\u6709\u7cbe\u51c6\u7684 CP\u5065\u5eb7\u68c0\u67e5\uff0c\u53ef\u4ee5\u91c7\u53d6\u8ba9\u5176\u5254\u9664\u4e0d\u5065\u5eb7\u8282\u70b9\u3002\n<\/p>\n<p>\n\tserver\u7aef:\n<\/p>\n<pre class=\"brush:plain;\">\r\neureka.server.enable-self-preservation\t\t\t\uff08\u8bbe\u4e3afalse\uff0c\u5173\u95ed\u81ea\u6211\u4fdd\u62a4\u4e3b\u8981\uff09\r\neureka.server.eviction-interval-timer-in-ms     \u6e05\u7406\u95f4\u9694\uff08\u5355\u4f4d\u6beb\u79d2\uff0c\u9ed8\u8ba4\u662f60*1000\uff09<\/pre>\n<p>\n\tclient\u7aef\uff1a\n<\/p>\n<pre class=\"brush:plain;\">\r\neureka.client.healthcheck.enabled = true\/\/\u5f00\u542f\u5065\u5eb7\u68c0\u67e5\uff08\u9700\u8981spring-boot-starter-actuator\u4f9d\u8d56\uff09\r\neureka.instance.lease-renewal-interval-in-seconds =10\/\/\u79df\u671f\u66f4\u65b0\u65f6\u95f4\u95f4\u9694\uff08\u9ed8\u8ba430\u79d2\uff09\r\neureka.instance.lease-expiration-duration-in-seconds =30\/\/\u79df\u671f\u5230\u671f\u65f6\u95f4\uff08\u9ed8\u8ba490\u79d2<\/pre>\n<p>\n\tserver\u7aef\u914d\u7f6e\u793a\u4f8b\uff1a\n<\/p>\n<pre class=\"brush:plain;\">\r\neureka:\r\n    server:\r\n        enableSelfPreservation: false\r\n        evictionIntervalTimerInMs: 4000<\/pre>\n<p>\n\t\u5ba2\u6237\u7aef\u7aef\u914d\u7f6e\u793a\u4f8b\uff1a\n<\/p>\n<pre class=\"brush:plain;\">\r\neureka:\r\n    instance:\r\n        leaseRenewalIntervalInSeconds: 10\r\n        leaseExpirationDurationInSeconds: 30<\/pre>\n<p>\n\t\u6ce8\u610f\uff1a\u66f4\u6539Eureka\u66f4\u65b0\u9891\u7387\u5c06\u6253\u7834\u670d\u52a1\u5668\u7684\u81ea\u6211\u4fdd\u62a4\u529f\u80fd\u3002\n<\/p>\n<h2>\n\t\u53c2\u8003\u8d44\u6599<br \/>\n<\/h2>\n<ul>\n<li>\n\t\t<a href=\"https:\/\/github.com\/spring-cloud\/spring-cloud-netflix\/issues\/373\" name=\"Documentation: changing Eureka renewal frequency *WILL* break the self-preservation feature of the server\" target=\"_blank\" title=\"Documentation: changing Eureka renewal frequency *WILL* break the self-preservation feature of the server\">https:\/\/github.com\/spring-cloud\/spring-cloud-netflix\/issues\/373<\/a>\n\t<\/li>\n<\/ul>\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=2828\">\u89e3\u51b3 Eureka Server \u4e0d\u8e22\u51fa\u5df2\u5173\u505c\u7684\u8282\u70b9\u95ee\u9898\u7684\u65b9\u6cd5<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>Eureka Server \u670d\u52a1\u542f\u52a8\u540e\uff0c\u6211\u4eec\u6ce8\u518c\u5230&nbsp;Eureka Server \u7684\u670d\u52a1\u5173\u95ed\u6216\u505c\u6389\u7684\u5e94 [&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":[1642,587,588,581,510],"class_list":["post-2828","post","type-post","status-publish","format-standard","hentry","category-java","tag-eureka","tag-spring-boot","tag-spring-cloud","tag-581","tag-510"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2828","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=2828"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2828\/revisions"}],"predecessor-version":[{"id":2829,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2828\/revisions\/2829"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}