WebLogic Server 10.3.4 Screencast – Coherence Server Lifecycle Management

Below is a quick overview of a new feature introduced in WebLogic Server 10.3.4 that continues to deepen the Coherence and WebLogic Server integration.  Previously Oracle introduced Coherence Clusters as a concept that could be used to manage Coherence configuration for instances of Coherence that ran inside of WebLogic Server JVMs.  Now Oracle has introduced Coherence Servers, which are stand-alone JVMs not running inside WebLogic Server that are thin wrappers around a Coherence DefaultCacheServer.  The Coherence Server can reference the Coherence Cluster configuration as well as specify fine-grained settings for each Coherence Server such as a name, port, classpath, and JVM options.  This feature ties into WebLogic Server Node Manager, which is a process that can always be running as a service on each operating system instance where your WebLogic or Coherence processes can run.  From one central location WebLogic Server users can easily manage the configuration and lifecycle of their Coherence JVMs in addition to their WebLogic Server JVMs potentially running on many, many different hosts.  This should be a useful feature for customers that use WebLogic Server and Coherence together as well as for Coherence customers that do not utilize WebLogic Server much today, but would like additional manageability and control over Coherence processes.  Check out the documentation for detail and examples of scripts.  There is a short (5 min) screencast below.

 

coherenceServerLifecycle

Comments:

Is 10.3.4 Ok for production use? We're just starting a migration from WLS8.1 -> 10.x. We're just a Weblogic server customer and not the "Weblogic Suite" On the OTN download pages it mentions that they are "for development" Pete

Posted by Pete on January 20, 2011 at 07:21 PM PST #

Pete, Yes,10.3.4 is ready for production use. OTN downloads are typically for development. Customers will normally retrieve software from edelivery.oracle.com. WLS 10.3.4 will not be available on edelivery until the end of January 2011, however it will be the exact same software bits that are currently on OTN. Good luck with your migration to 10.3.4. I think you'll really like the many improvements since 8.1 that's for sure! Thanks, James

Posted by james.bayer on January 21, 2011 at 12:23 AM PST #

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I was formerly a Product Manager on the WebLogic Server team based out of Oracle HQ. You can find my new blog at http://iamjambay.com.
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