SAP Basis Administration Handbook, NetWeaver Edition

Scalability of Applications Based on the Java Stack

SAP applications based on the Java stack are highly scalable, and there are several ways to scale them. The following sections will list and discuss the different ways to scale the Java application. Scaling is important for provisioning, as it enables the system to handle increased concurrent user access or increased load.

Server Node

Server nodes in the Java stack are comparable to the work processes in the ABAP stack, with few differences. Unlike ABAP work processes, Java server nodes are multithreaded and are therefore capable of multitasking. ABAP work processes are single-threaded and perform one task at a time. The multithreaded server node architecture of the Java stack will allow few ...