{"id":1469,"date":"2018-08-20T22:25:17","date_gmt":"2018-08-20T22:25:17","guid":{"rendered":"http:\/\/wiki.thomasandsofia.com\/?p=1469"},"modified":"2018-08-28T00:52:26","modified_gmt":"2018-08-28T00:52:26","slug":"csap-route53-understanding-health-checks","status":"publish","type":"post","link":"https:\/\/wiki.thomasandsofia.com\/?p=1469","title":{"rendered":"CSAP &#8211; Route53 &#8211; Understanding Health Checks"},"content":{"rendered":"<p><a href=\"http:\/\/wiki.thomasandsofia.com\/2018\/08\/20\/aws-certified-solutions-architect-professional-overview\/\">Main Menu<\/a><br \/>\n<a href=\"http:\/\/wiki.thomasandsofia.com\/2018\/08\/20\/csap-high-availability-business-continuity\/\">Section Menu<\/a><\/p>\n<p><a href=\"_wp_link_placeholder\">https:\/\/www.udemy.com\/aws-certified-solutions-architect-professional\/learn\/v4\/t\/lecture\/8593860?start=0<\/a><\/p>\n<h1>Health Checks<\/h1>\n<ul>\n<li>Health checks are responsible for monitoring the health of an endpoint<\/li>\n<li>Sends a request to the website at a specific time interval<\/li>\n<li>Website responds with a 200 code, the server is &#8216;healthy&#8217;<\/li>\n<li>If it fails, it can\n<ul>\n<li>Send an alert<\/li>\n<li>Reroute traffic to another server<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1>How to configure<\/h1>\n<ul>\n<li>Route53 &gt; Health checks &gt; [Create health check]<\/li>\n<li>Provide a name<\/li>\n<li>What to monitor: endpoint<\/li>\n<li>Specify endpoint by\n<ul>\n<li>IP Address or [X] Domain name<\/li>\n<li>Protocol: http<\/li>\n<li>Enter domain name:<\/li>\n<li>Port: 80<\/li>\n<li>Path: point to path or file that will return a 200 or 300 code<\/li>\n<\/ul>\n<\/li>\n<li>Advanced Configuration\n<ul>\n<li>Request Interval (How often to check the domain)\n<ul>\n<li>Standard 30 (default)<\/li>\n<li>Fast 10 (Expensive!)<\/li>\n<\/ul>\n<\/li>\n<li>Failure threshold: How many times to fail before calling it a failure<\/li>\n<li>String match: Route53 checks the first 5120 bytes for an exact match on the string you enter\n<ul>\n<li>If found, healthy<\/li>\n<li>No found, not healthy<\/li>\n<\/ul>\n<\/li>\n<li>Latency graphs: display a graph<\/li>\n<li>Invert health check status: if string is found, it is DOWN<\/li>\n<li>Health checker regions: where should Route53 test from?<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Main Menu Section Menu https:\/\/www.udemy.com\/aws-certified-solutions-architect-professional\/learn\/v4\/t\/lecture\/8593860?start=0 Health Checks Health checks are responsible for monitoring the health of an endpoint Sends a request to the website at a specific time interval Website responds with a 200 code, the server is &#8216;healthy&#8217; If it fails, it can Send an alert Reroute traffic to another server How to configure ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/wiki.thomasandsofia.com\/?p=1469\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,38],"tags":[],"class_list":["post-1469","post","type-post","status-publish","format-standard","hentry","category-amazon-web-services-aws","category-certified-solutions-architect-professional"],"_links":{"self":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/1469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1469"}],"version-history":[{"count":4,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/1469\/revisions"}],"predecessor-version":[{"id":1518,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/1469\/revisions\/1518"}],"wp:attachment":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}