March 2003
Intermediate to advanced
282 pages
9h 13m
English
book
IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology
by Jouko Jantti, Juan Jesœs Iniesta Mart’nez, Knut Kubein, Bill Stillwell, Gary Wicks
Content preview from IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology
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102 IMS in the Parallel Sysplex, Volume I: Reviewing the IMSplex Technology
shows a LH with two messages queued — they are both input messages for transaction code
TRANX, therefore the queue name of 01TRANX.
Figure 5-6 List entry controls
The adjunct area is optional for list structures (Figure 5-7), as is the lock table, but CQS does
use them. They are allocated when a list entry is in use (that is, has a data entry) and are 64
bytes each (also useful when sizing structures).
The adjunct area is used by CQS to help manage the queues when messages get moved
around. It contains the queue name of the original queue where the message came from (for ...
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