There are five types of work process in sap
Dialog Work process:
Background Work process: The background work processes execute programs that run without user interaction. At least two background work processes are required per SAP system. More than one background work processes can be configured per dispatcher. Usually the background work process are used for carrying jobs that take long time to finish, like client copy, client transport etc.., Then no of background work process can be changed by changing the parameter rdisp/wp_no_btc . There are two types of background work process. They are A type and B type. A type background work process are used for mission critical jobs. Background jobs of priority a have high priority than B type back ground jobs.
Update Work Process: Update work processes execute update requests. You need at least one update work process per SAP system and you can have more than one per dispatcher. The profile parameter rdisp/wp_no_vb is used to control the no of update work process and rdisp/wp_no_vb2 for not of update work process of type v2. There are two types of update work process. They are v1 and v2. v1 update jobs have higher priority than v2 jobs. v1 jobs are used for critical jobs. There must be at least one V1 update work process in the SAP System. However there can be more than than one.V2 modules describe less critical secondary changes. These are pure statistical updates, for example, such as result calculations.
Spool work process: The Spool work process pass sequential data flows on to printers. Every SAP system requires at least one Spool work process. However, there can be more than one per dispatcher. The parameter to set the no of spool work process is rdisp/wp_no_spo.
You can see an overview of all work processes in the application server by calling transaction sm50.
Dialog Work process:
Background Work process: The background work processes execute programs that run without user interaction. At least two background work processes are required per SAP system. More than one background work processes can be configured per dispatcher. Usually the background work process are used for carrying jobs that take long time to finish, like client copy, client transport etc.., Then no of background work process can be changed by changing the parameter rdisp/wp_no_btc . There are two types of background work process. They are A type and B type. A type background work process are used for mission critical jobs. Background jobs of priority a have high priority than B type back ground jobs.
Update Work Process: Update work processes execute update requests. You need at least one update work process per SAP system and you can have more than one per dispatcher. The profile parameter rdisp/wp_no_vb is used to control the no of update work process and rdisp/wp_no_vb2 for not of update work process of type v2. There are two types of update work process. They are v1 and v2. v1 update jobs have higher priority than v2 jobs. v1 jobs are used for critical jobs. There must be at least one V1 update work process in the SAP System. However there can be more than than one.V2 modules describe less critical secondary changes. These are pure statistical updates, for example, such as result calculations.
Spool work process: The Spool work process pass sequential data flows on to printers. Every SAP system requires at least one Spool work process. However, there can be more than one per dispatcher. The parameter to set the no of spool work process is rdisp/wp_no_spo.
You can see an overview of all work processes in the application server by calling transaction sm50.
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