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Resin Deployment Cloud Clustering and EC2 (How To) Part 2

Session Replication App Deployment and Clustering on EC2

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Related13 links

bull Part 1 Resin Java EE Application Server clustering and deployment to EC2

bull Part 2 Resin clustering and deployment to EC2 session replication Amazon Load Balancer (This in WIKI form)

bull Resin Java EE Application Serverrsquos Cloud Support and Clustering Support

bull Resin White Paper on Java EE Cloud Computing

bull Short video describing key concepts Resin Clustering and Cloud Deployment

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Java EE Certified

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Java EE Certified

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Gartner names Cauchoin Cool Vendors in Platformand Integration Middleware

Java EE Certified

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Resin13 works13 well13 in13 the13 cloud

bull This tutorial covers setting up a Resin cluster in Amazon EC2

bull This is part 2 make sure you start with part 1

bull Much of the cluster setup would be the same in other environments as well

bull Resin is only mainstream Java EE application server with clustering and cloud deployment built-in and fully elastic that works in an EC2 environment

bull No add-ons hacks or tricks needed

bull Resin simply designed to work well in cloud

bull Resin supports EC2

bull This EC2 support can equally apply to other Virtualization 20 environments like Xen and VMWare

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Overview

bull IP addresses are ephemeral in EC2 public IP addresses are not known (canrsquot see them with ifconfig bc NAT)

bull If you restart a server it loses its IP addresses

bull Think of DHCP but the lease expires instantly if the box is not using it

bull In a spoke hub architecture you need to know how to find the hub The hub is like a cluster DHCP server It knows the topology of the cluster

bull Resin clustering works around these issue by allowing Resin to use public IP to find Triad members and then members exchanging private IP addresses

bull Resin typically discovers the server id by looking up the address combination of the instance In this case the local boxes do not know any address so you have to tell Resin what the server id is so it can look up the address it

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Overview13 how13 to13 overcome

bull Create two Elastic IP addresses

bull assuming you are using two machines both in a single Cluster

bull Use Amazon Console to create another instance of the server you setup in the first tutorial

bull The first three static servers in a cluster make up the Triad

bull Before you continue you may want some more background on how Resins spoke and hub (Triad) clustering architecture works Read White Paper cloud and clustering technology optimized for EC2

bull If you are in a hurry at least watch this short video Resin Clustering and Cloud Deployment

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Resin13 Pro13 Clustering13 and13 Session13 Replicaon

bull You will need to get an evaluation license or a license to use Resins clustering support To get an evaluation license go here Contact

bull Once you have a license you can copy it to varwwwlicenses

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Seltng13 up13 second13 Elasc13 IP13 Address

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New13 Amazon13 AMI13 instance

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Installing13 a13 Resin13 Pro13 License13 402713 and13 below

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Installing13 a13 Resin13 Pro13 License13 402813 and13 above

Thursday April 5 12

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Setup13 Amazon13 AMI13 user-shy‐data13 passing13 list13 of13 triad13

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402713 Pass13 Server13 Id13 Part13 113 of13 3

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402713 Pass13 Server13 Id13 Part13 213 of13 3

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402713 Pass13 Server13 Id13 Part13 313 of13 3

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402813 Pass13 Server13 Id13 Part13 113 of13 1

bull 4028 is much easier to pass the server id

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Amazon13 Load13 Balancer

bull Create an Amazon Load Balancer

bull Add the two instances to the LB (Use the smallest possible recheck interval for testing)

bull Use sticky cookie support use application cookie set the name to JSESSIONID

bull For more information on how to setup the Amazon Load Balancer go to this Amazon Load Balancer tutorial

bull Now you have a Load Balancer and session replication should just works

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Seltng13 up13 Amazon13 Load13 Balancer13 (Part13 113 of13 2)

Thursday April 5 12

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Seltng13 up13 Amazon13 Load13 Balancer13 (Part13 213 of13 2)

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Deploy13 war13 file13 and13 show13 it13 is13 deployed13

bull Deploy the war file and show that it is deployed to every server

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Seltng13 up13 third13 Triad13 Member

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402713 Seltng13 up13 a13 Dynamic13 Spoke13 Server

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402813 Seltng13 up13 a13 Dynamic13 Spoke13 Server

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Managing13 deployments

bull Deploying to one Server deploys to every server in the cluster

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Summary13 of13 Servers13 and13 such

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