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A customer is experiencing z/OS performance problems on their z13 while the system is taking a memory dump. Which chargeable z Systems feature could provide relief for this problem?
Suggested Answer:B🗳️
Typical simultaneous multithreading (SMT) implementations allow workloads from different control programs to use a compute core concurrently, but with variable core capacity gains and thread execution slowdowns. The new IBM z13 platform implements SMT differently. At any point in time, a single control program manages the entire core, giving each workload more repeatable core capacity for processing. References: http://www.redbooks.ibm.com/abstracts/redp5144.html?Open
I think the correct one must be "Flash Express" - "Flash Express is an innovative solution that is designed to help improve availability and
performance to provide a higher level of quality of service. It is designed to automatically
improve availability for key workloads at critical processing times and to improve access time
for critical business z/OS workloads. It can also reduce latency time during diagnostic
collection (memory dump operations)" - redbook SG247824 - IBM z13 Technical Guide, Appendix H page 556
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adrielgb
4 years, 9 months ago