How to increase the Weblogic Session Threads

Hi Everyone,
We have been using replicated-if-clustered property of session-descriptor element of weblogic.xml and things were smooth and fine until our application didnt grow. Now there is a heavy traffic on the application and we want to increase the session replication thread count to more then 2 servers. Does anyone have any idea how to go about it? I dont see a way of defining how many servers the session should be replicated. Right now it does on the 2 servers which forms the cluster. Is there really any difference between replicated and replicated-if-clustered property?
Thanks a Lot in Advance for answering my queries.
Yogendra N Joshi.

user13017505 wrote:
Hi Everyone,
We have been using replicated-if-clustered property of session-descriptor element of weblogic.xml and things were smooth and fine until our application didnt grow. Now there is a heavy traffic on the application and we want to increase the session replication thread count to more then 2 servers. Does anyone have any idea how to go about it? I dont see a way of defining how many servers the session should be replicated. Right now it does on the 2 servers which forms the cluster. Is there really any difference between replicated and replicated-if-clustered property?
Thanks a Lot in Advance for answering my queries.
Yogendra N Joshi.To start with persistent store/session replication options:
•memory—Disables persistent session storage.
•replicated—Same as memory, but session data is replicated across the clustered servers.(No Persistent store)
•replicated_if_clustered—If the Web application is deployed on a clustered server, the in-effect persistent-store-type will be replicated. Otherwise, memory is the default.
http://download.oracle.com/docs/cd/E12840_01/wls/docs103/webapp/weblogic_xml.html
Regarding increasing traffic on the servers:
If there is heavy traffic on the servers and both servers in a cluster are utilized fully, you can add more managed servers to the cluster and load balance the requests amongst them equally.
The sessions will be replicated across all the servers in a cluster as you have session replication enabled already.
But for increasing load/traffic we will have to analyze the capacity of the present setup and then add more servers to the cluster as required.
Regards,
Swapna

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