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Clustering in WebSphere

 
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Hi Kylie,
I have been working on WAS 4.0 and recently WAS 5.1,but mainly on the local server which comes embeded with WSAD. I would like to know have you covered how to go for clustering the Enterprise application while deployment and what needs to be taken care during staging and production phases for the same.
Rishi
SCJP,SCWCD,IBM/OOAD
 
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Hi, we do cover clustering, and what you need to think about when developing and testing applications that use clustering, but we don't describe the detailed setup of a clustered environment.
That should come in Roland Barcia's upcoming book...
Kyle
 
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You might try the IBM WebSphere Application Server V5.0 System Management and Configuration at the IBM REdBook Site:
http://publib-b.boulder.ibm.com/Redbooks.nsf/portals/WebSphere
 
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What are the clustering algorithms supported by Wensphere?
 
Kyle Brown
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Originally posted by Pradeep Bhat:
What are the clustering algorithms supported by Wensphere?


Sorry, Pradeep. That question doesn't make sense. Can you be more specific?
Kyle
 
Pradeep bhatt
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Sorry Kyle. I meant load balancing algorithms. Weblogic suppports round robin, Weight-Based Load Balancing and Random Load Balancing.
 
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Pradeep,
Websphere's workload management lets you select from:
- Random
- Round-robin
- Random prefer local
- Round-robin prefer local
IBM has an article with some details on clustering.
 
Kyle Brown
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Actually, WebSphere Enterprise Edition also supports a load-based load balancing algorithm for EJB's (but not Servlets). With this algorithm, the amount of load a server can take is based upon it's available CPU load...
Kyle
 
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