on 10-17-2005 11:17 AM
Hi all,
Are there any limitation on the SAP management console on numbers of j2ee instances?
I'm running three instances smoothly but the fourth would't come up correctly!
Any ideas?
Regards
Simon
Dear Simon,
The most probable reason why server 4 and 5 cannot be started is lack of RAM , i.e. the java heap cannot be initialized.
There is no upper limit of number of java server nodes which belong to one instance. Anyway, in recent practice of customer up to 4 java server nodes of one dialog instance (on e.g. 16 Core machine, 32 GB RAM), and more dialog instances on other machine.
With the 64bit OS we are able to allocated bigger heaps - customers increase the heap size of one java server node and usually, but not mandatory, add new server nodes only when resize of heap goes beyond 8 GB.
Best Regards,
Sylvia
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Hi Simon
If you install the same KW but with different stacks(such as one instance with Portal and one without Portal) then the services registered will clash and hence you will face issues in running install.bat. But if you install different KW instances, ideally there should not be any issues.
But I also came across a similar situation and I found out the following work-around for this.
1. Run uninstall_services.bat for unregistering the services of the old installation.
2. In this process, do not delete DB content so that you can run install.bat of that(old) instance and register the services later when required.
3. Run install.bat of the instance that you want to run so that the corresponding services will be registered.
This will help you if you do not want to run all the server instances at the same time. I hope this will solve your problem.
Thanks and Regards
Madhu
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