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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Chapter 5. IMS shared queues 107
5.3.11 Fast Path queue types
Table 5-3 shows the two Fast Path (EMHQ) queue types.
Table 5-3 Fast Path (EMHQ) queue types
5.3.12 Queue names
IMS registers interest in queues by the queue name. The queue name is 16 bytes long and is
made up of a 1-byte queue type, an 8-byte resource name, and in some cases, a 4-byte IMS
identifier with three blanks. The types of resources are transaction names, LTERM names,
and MSNAMEs. For APPC and OTMA transactions, a timestamp is used in place of a
resource name to ensure that only the IMS that placed the transaction onto the queue can
process the transaction.
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