2.12.1 Overview of the client-group facility

HADB supports the client-group facility that groups multiple HADB clients together and manages them as a group.

The client-group facility enables you to set the numbers of connections and processing real threads that are available to the group. The HADB clients belonging to a group will perform processing within the numbers of connections and processing real threads set for that group.

The following provides an overview of the client-group facility using management of the number of connections as an example.

Figure 2‒36: Example application of the client-group facility (managing the number of connections)

When you use the client-group facility and you set appropriate values for the numbers of connections and processing real threads required for each of the various groups, you can achieve the following:

• Prevent specific HADB clients and commands from monopolizing the available processing real threads and connections to the HADB server (this prevents adverse effects on the processing of other HADB clients and commands).

• Reserve the number of connections and processing real threads required for the periodic processing that is performed by specific HADB clients and commands (this prevents adverse effects from the processing being performed by other HADB clients and commands).

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