Global Messaging Services

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# Global Messaging Services

Messaging services are essential to communication among the active nuclei of an Adabas Parallel Services cluster. Parallel Services nuclei communicate among one another using the standard Adabas communication environment.

For example, messages need to be sent between nuclei when:

- the general control block (GCB) is modified

- a global parameter is modified

- a buffer flush occurs

- a PLOG or CLOG switches.

Adabas Parallel Services messaging statistics are produced during normal nucleus termination and reported using the ADAX14 and ADAX15 messages. For more information, read your Adabas messages and codes documentation.