{"id":44,"date":"2006-09-07T05:13:00","date_gmt":"2006-09-07T09:13:00","guid":{"rendered":"http:\/\/onlineappsdba.com\/?p=44"},"modified":"2008-08-17T04:03:15","modified_gmt":"2008-08-17T08:03:15","slug":"configure-load-balancer-in-oracle-apps-11i-e-business-suite","status":"publish","type":"post","link":"https:\/\/onlineappsdba.com\/index.php\/2006\/09\/07\/configure-load-balancer-in-oracle-apps-11i-e-business-suite\/","title":{"rendered":"Configure Load Balancer in Oracle Apps 11i , E-Business Suite"},"content":{"rendered":"<p><a href=\"http:\/\/photos1.blogger.com\/blogger\/825\/3473\/1600\/loadbalancer01.jpg\"><img decoding=\"async\" border=\"0\" src=\"http:\/\/photos1.blogger.com\/blogger\/825\/3473\/320\/loadbalancer01.jpg\" style=\"float: left; margin: 0px 10px 10px 0px; cursor: hand\" \/><\/a><br \/>\n<strong>What is Load Balancer in Oracle Applications 11i ?<\/strong><br \/>\nAs name suggest its used to balance load on oracle applications, so lets say you initially sized (<span style=\"font-size: 85%\"><span style=\"font-size: 78%\">How to size server configuration in your apps 11i Instance during Implementation coming soon.<\/span>.<\/span>) your server for 100 concurrent users &amp; now additional 90 users started using your system , you can configure one more Application Tier node &amp; distribute load of 190 users across two application tier node by configuring load balancer (<span style=\"font-size: 78%\">Currently I am discussing only about Application Tier &amp; once you are comfortable with Middle Tier I&#8217;ll discuss on database tier<\/span>)<br \/>\n<strong>Why I need load balancer in Apps 11 ?<\/strong><br \/>\nIs Increased load only reason for introducing load balancer in Apps 11i , No not at all . There are other reasons as well like (<span style=\"font-size: 78%\">These are more advanced reasons &amp; if you don&#8217;t understand don&#8217;t worry read it for understanding purpose at this minute<\/span>)<br \/>\n&#8211; You want to Hide Server Name so instead of users accessing it via <a href=\"http:\/\/hostname:port\">http:\/\/hostname:port<\/a> you want users to access by <a href=\"http:\/\/somefancyname.com\">http:\/\/somefancyname.com<\/a> use load balancer <span style=\"font-size: 85%\">(I know you can do this by various other ways as well like reverse proxy, via dns ..)<\/span><br \/>\n&#8211; You want on some node only web server &amp; some both form server &amp; web server<\/p>\n<p>and there can lot of other reason why you need load balancer (<span style=\"font-size: 78%\">May be you want to put it in your CV that you know how to configure load balancer, I know this is stupid reason \ud83d\ude42<\/span> )<\/p>\n<p><strong>What is Role of Load balancer in Oracle Application 11i ?<\/strong><br \/>\nUsually load balancer act as mediator in passing your request to respective Middle Tiers (Usually web server ), so lets say you have configured load balancer in front of two middle tier which are part of your Applications 11i lets call them MT1 &amp; MT2 . Load balancer will accept client&#8217;s request and pass on to MT1 &amp; MT2 ( round robin or the way you have configured load balancer, you here is Unix Administrators)<\/p>\n<p><strong>What are different kind of load balancer ?<\/strong><br \/>\n<strong>Session Persistent &#8211; <\/strong>These kind of load balancers assign request from a client to same Application Tier. so lets say <strong>user1<\/strong> tried connecting applications via load balancer and LB sent that request to <strong>MT1 <\/strong>then in future LB will send requests from user1 always to MT1 <strong>for time being specified in session persistence duration parameter specified in LB configuration<\/strong> or till user logs out from Applications. This property is called as <strong>Stickness <\/strong>or <strong>sticky Bit<\/strong><\/p>\n<p><strong>Non Session Persistent <\/strong>&#8211; These kind assign request to MT in round robin way so lets assume user1 requested for login page , LB sends this request to MT1 then user1 again clicked on user responsibility and this time LB sent request from user1 to second middle tier i.e. MT2<\/p>\n<p>Other types of LB, I am not discussing here as these are not required at this minute<\/p>\n<p><strong>What all different kind of load balancing options available in Oracle 11i ?<\/strong><br \/>\n<strong>DNS Level Load Balancing<\/strong> ( Check image at top , this represent DNS level LB)<br \/>\n<strong>HTTP Layer Load balancing<\/strong> (You need hardware load balancer which accepts http requests)<br \/>\n<strong>Jserv Load balancing<\/strong> (This is example of software load balancer, via mod_oprocmgr Process Manager Module)<br \/>\n<strong>Forms level load balancing<\/strong> &#8211; Jserv load balancing via forms servlets (More coming in future) , forms metrics server <strong>adfmsctl.sh<\/strong><\/p>\n<p><strong>How to configure Load Balancer in Oracle Apps 11i ?<\/strong><br \/>\n<strong><span style=\"color: #cc0000\">Coming in Next post&#8230;<\/span><\/strong><\/p>\n<p><strong>Things which need Extra Attention while Configuring Load Balancer in front of Oracle Apps Web Server <\/strong><br \/>\n<span style=\"color: #cc0000\"><strong>Coming in Next post&#8230;<\/strong><\/span><\/p>\n<p><strong>How to confirm if load balancer is sending requests to all nodes which are configured for load balancer ?<\/strong><br \/>\n<strong><span style=\"color: #cc0000\">Coming in Next post&#8230;<\/span><\/strong><\/p>\n<p><strong>Where to find documents to configure Load Balancer ?<\/strong><br \/>\n<strong><span style=\"color: #cc0000\">Coming in Next post&#8230;<br \/>\n<\/span><\/strong><\/p>\n<p class=\"blogger-post-footer\"><a href=\"http:\/\/teachmeoracle.com\/forum\">http:\/\/teachMeOracle.com\/forum<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is Load Balancer in Oracle Applications 11i ? As name suggest its used to balance load on oracle applications, [&hellip;]<\/p>\n","protected":false},"author":115,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Configure Load Balancer in Oracle Apps 11i , E-Business Suite -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineappsdba.com\/index.php\/2006\/09\/07\/configure-load-balancer-in-oracle-apps-11i-e-business-suite\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Configure Load Balancer in Oracle Apps 11i , E-Business Suite -\" \/>\n<meta property=\"og:description\" content=\"What is Load Balancer in Oracle Applications 11i ? 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