Creating and scaling Dynamic Clusters using wlst by Jaap Poot

Posted: May 21, 2015 in WebLogic
Tags: , , , , , ,


clip_image002Introduced in Weblogic 12.1.2, dynamic clusters is a great feature to scale your private cloud.
Dynamic clusters provides you easy scaling of Weblogic clusters by adding and removing managed server instances on demand. They contain one or more dynamic servers. These dynamic servers are based on a single servertemplate that guarantees that every member of the cluster is exactly the same.

Creating Dynamic Clusters

Let’s take a look at some of the possibilities as we create a dynamic cluster.

I have created a virtualbox environment.
This environment consists of four VM’s with the following specs.

  • 2 vCPU’s
  • 4 Gb memory
  • 50 Gb disk
  • Oracle Linux 6.6
  • Java 1.7.0_75
  • Weblogic

I created a simple domain called demo_domain with only an AdminServer and four machines.
After unpacking the domain to the four servers, the nodemanagers where started and are reachable by the AdminServer.

Now let go through the process of creating a dynamic cluster.
Open the Weblogic Console and navigate to Environment -> Clusters
Lock and Edit the domain in the Change Center. Read the complete article here.

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