October 2006
Intermediate to advanced
160 pages
4h 9m
English
book
DB2 for z/OS: Data Sharing in a Nutshell
by Paolo Bruni, Mark Anders, KyengDong Park, Mark Rader, Judy Ruby-Brown
Content preview from DB2 for z/OS: Data Sharing in a Nutshell
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© Copyright IBM Corp. 2006. All rights reserved. 121
Chapter 7. Advanced topics
This chapter provides information for additional data sharing issues that might
arise. For more details on them, you should consult the referenced publications.
Each topic stands on its own and may not bear any relationship to any other topic
in this section.
We discuss the following topics:
CLOSE YES and CLOSE NO table spaces
The problem of runaway threads
Lock avoidance: CLSN versus GCLSN
Usermod for routing to multiple DB2s on a z/OS image
Performance
Determining the number of threads
7
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