{"id":2625,"date":"2019-08-28T09:40:19","date_gmt":"2019-08-28T09:40:19","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=2625"},"modified":"2020-05-01T09:15:58","modified_gmt":"2020-05-01T09:15:58","slug":"elb-instance-management","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-advanced-networking-specialty\/elb-instance-management\/","title":{"rendered":"ELB Instance Management"},"content":{"rendered":"\n<p><strong>Manage ELB<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Access ELB by <ul><li>AWS\nManagement Console<\/li><\/ul><ul><li>AWS\nCLI<\/li><\/ul><ul><li>AWS\nSDKs <\/li><\/ul><ul><li>Query\nAPI<\/li><\/ul><\/li><li>Use EC2 Auto Scaling for scaling related needs<\/li><li>Use Certificate Manager for HTTPS listener<\/li><li>CloudWatch to monitor load balancer <\/li><li>ECS \u2014 to start\/stop\/manage EC2 instances or\nDocker containers<\/li><\/ul>\n\n\n\n<p><strong>ELB logging<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>All ELBs integrate with Cloudwatch and Cloudtrail <\/li><li>It shows constant and current data <\/li><li>Get to know <ul><li>network performance <\/li><\/ul><ul><li>requests peak <\/li><\/ul><\/li><li>ability of ELB to manage requests <\/li><\/ul>\n\n\n\n<p><strong>Important metrics for ELB <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Latency &#8211; indicates resource available in AZs <\/li><li>Request count &#8211; details user&#8217;s requirement and when. Count of requests in a timeframe<\/li><li>SpilloverCount &#8211; rejected requests as surge queue was full<\/li><li>HealthyHostCount &#8211; count of healthy instances in ELB<\/li><li>Surge queue length &#8211; requests are queued if ELB is unable to process them. It indicates how many requests are queued and for how long <\/li><\/ul>\n\n\n\n<p><strong>Classic Load Balancers limits<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>count of Load balancers\/region: 20<\/li><li>count of Listeners\/load balancer: 100 \u2020<\/li><li>count of Security groups\/load balancer: 5<\/li><li>total count of Registered instances\/load\nbalancer: 1,000<\/li><li>count of Subnets\/AZ\/load balancer: 1 <\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"624\" height=\"323\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/09\/image-266.png\" alt=\"\" class=\"wp-image-3992\"\/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Manage ELB Access ELB by AWS Management Console AWS CLI AWS SDKs Query API Use EC2 Auto Scaling for scaling related needs Use Certificate Manager for HTTPS listener CloudWatch to monitor load balancer ECS \u2014 to start\/stop\/manage EC2 instances or Docker containers ELB logging All ELBs integrate with Cloudwatch and Cloudtrail It shows constant and&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2468,"menu_order":16,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[7,438,451],"class_list":["post-2625","page","type-page","status-publish","hentry","category-amazon-aws","tag-aws","tag-big-data-specialty","tag-elb-instance-management"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - 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