December 2006
Intermediate to advanced
228 pages
6h 20m
English
book
Introduction to the New Mainframe: Large-Scale Commercial Computing
by Mike Ebbers, Pilar Gonzalez Adrados, Frank Byrne, Rodney Martin, Jon Veilleux
Content preview from Introduction to the New Mainframe: Large-Scale Commercial Computing
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Chapter 2. Capacity 25
2.7 Managing the system to the SLA
The SLA for a batch job is generally an agreement as to when the output from the
job will be available. The earliest start time will be when the data to be processed
is available.
The 24x7 applications, such as for Internet processing, should be available at all
times, and the SLA will apply to the response to each client enquiry, referred to
as a
transaction.
Both the batch program and the 24x7 transaction server application are run in
the same environment. Each has an address space on the same System z
server. Therefore, it is important to manage the system or server resources in the
most efficient way to achieve both SLAs.
2.7.1 Managing CPU
The z/OS Operating System provides for a sophisticated ...
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