on 05-15-2008 9:07 PM
Hi Guys,
This is my first post in this forum. I ama beginner in XI. I am in the early stage and I come across the word instance a lot. What exactly is meant by that? What is an instance ? Wht is the difference between instance and machine ?
HI Midhun,
An SAP instance defines a group of resources such as memory, work processes and so on, usually in support of a single application server or database server within a client/server environment. Application servers share the same memory areas and are controlled by the same dispatcher process.
http://help.sap.com/saphelp_nw2004s/helpdata/en/c4/3a5e90505211d189550000e829fbbd/frameset.htm
it often means flow instance (like BPM instance)
it means exactly one BPM flow
let's say we have one BPM - ordersend
and you send two message via it
one with order 555
one with order 666
it will create two flow instances - one for 555 and one for 666
See the bellow links it will help you to solve your problem
http://help.sap.com/saphelp_erp2005vp/helpdata/en/00/99497332ae4293890658b68ba43cb2/frameset.htm
If you only want to create a new instance definition for one application server, it is useful to copy the instance definition for the server. Assigning an instance definition to an operation mode makes it part of the operation mode. As a result, you can switch the instance, see if it is inactive and start and stop it using the control panel (Transaction RZ03).
Prerequisites
http://help.sap.com/saphelp_nw2004s/helpdata/en/c4/3a6143505211d189550000e829fbbd/frameset.htm
Reward points if this helps
Regards
Vani.
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Hi Midhun,
You are welcome.
Regards
Vani.
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