Queue Manager Manual

Glossary
46517 Tandem Computers Incorporated Glossary–1
Audited file. A data file that is flagged for auditing by the Transaction Monitoring
Facility (TMF). Auditing is the monitoring of transactions in preparation for recovery
efforts.
Configuration subvolume. A subvolume that contains define files you provide to describe
and control the Queue Manager system.
DDL. The Data Definition Language that is used to describe the records and files that
make up a database and the formats of interprocess messages.
Defaults file. A file that contains keyword parameters and default values to be used as
the source of a define file.
Define file. A file that contains keyword parameters and values that define the Queue
Manager system.
Definition program. A Queue Manager installation program that processes information
in a definition file to define initially or to redefine a component of a Queue Manager
system.
Distribution subvolume (DSV). The grouping in which Tandem releases software for
installation. Names are in the form Y xxxxzzz where xxxx is the product number
and zzz is the release number--for instance, Y9110C20. Contrast with ISV and User-
DSV.
EMSERV. See Entry Manager.
Entry Manager (EMSERV). A server that handles enqueuing, reading, and dequeuing of
queue entries. An application can have many Entry Managers for each Queue file.
GUARDIAN 90 operating system. A Tandem operating system.
Installation subvolume (ISV). A subvolume in which the RESTDSV and REPSUBSYS
phases of the INSTALL program group the DSVs from the SUT. Contrast with DSV
and user-DSV.
Interprocess communication (IPC). The request to or reply from the Queue Manager
servers. The IPC contains a header and one or more units-of-work.
IPC header. The first entry in an IPC. The header in an IPC request establishes
processing conditions. The header in an IPC reply indicates what occurred during
processing.
IPC interface. The means by which a process communicates with Queue Manager .
NALOAD program. A program you run to change the TRANSFER configuration entries
stored in the Name files when you move base TRANSFER data files (other than the
name directory files).
Node. A computer system that is part of a Tandem network of computer systems (for
example, @NY).
PATHWAY. A transaction processing system that supplies programs, procedures, and
structures for customers to write applications.