Queue Manager Manual

Glossary
Glossary–2 46517 Tandem Computers Incorporated
Process. A running program.
Queue. A list of queue entries. Functions are provided to enqueue (add) entries,
dequeue (retrieve and delete) entries, read entries, and wait for entries to appear.
Queue entry. Application data that must fit in a single record.
Queue file. An audited key-sequenced file in which multiple queues are stored.
Queue management. An operating environment in which a set of queues are managed
for two or more programs.
Queue Manager. An optional queuing facility that lets requesters add an entry and
retrieve an entry from a queue for processing. The Queue Manager consists of two
server types: Entry Manager and Wait Manager.
Requester. A process that executes application-program object code and sends requests
to a server.
SCREEN COBOL. A procedural language that is used to define and control terminal
displays.
Server. See Server class.
Server class. A grouping of duplicate copies of a single server program. Server
processes within the class have identical attributes.
Server process. A process that implements application requests and sends replies to the
requester; synonymous with server .
Site update tape (SUT) . The tape on which Tandem ships its software for installation.
The product files on the SUT tape are grouped into distribution subvolumes (DSVs),
the names of which appear on the last part of the packing list.
System administrator. A correspondent who is responsible for managing Queue
Manager objects. Each node has at least one system administrator.
System manager. An individual responsible for initializing, monitoring, and controlling
Queue Manager at the local node.
TAL. The Tandem Transaction Application Language that is used to write systems
software and routines that support transaction-oriented applications.
Transaction Monitoring Facility (TMF). A data management product that maintains the
consistency of a database and provides the tools for database recovery.
Unit-of-work (UOW). An elementary operation to be performed by the Queue Manager
servers: Entry Manager or Wait Manager.
UOW. See Unit-of-work.
User application. An application that a user develops and supplies to work with a
Queue Manager system.
User-DSV. A subvolume on which resides a copy of the distribution subvolume (DSV)
containing software for Queue Manager supplied by Tandem. Contrast with DSV and
ISV.