Using Signals to Control the ICM / Web Dispatcher

Use

You can send operating system signals to the ICM and the SAP Web Dispatcher in order to execute functions. This is useful if you want to administrate the ICM or the Web Dispatcher from a shell script. All the functions are available in the Web administation interface too.

Procedure

The following table lists the signals and their effect on the ICM / Web Dispatcher.

Signal	Action
SIGINT	Downloads
SIGUSR1	Reduces trace level
SIGUSR2	Increases trace level
SIGHUP	Buffers are invalidated: Host name buffer and server cache The Web Dispatcher updates its configuration of active servers, details of groups, and URL prefixes. Either it gets the information from the message server or from a local file. You can do the same from the context menu in the Web administration interface. SIGHUP is not supported under Windows.