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Figure 7-4, Sample application diagram – HP NonStop G-Series User Manual

Page 144

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Balancing and Tuning a System

Measure User’s Guide 520560-003

7 -8

Learning About the System and Its Applications

These attributes make an application easier to tune. That is, the more of these
attributes an application has, the easier it is to spread its workload across the system:

Any application process can be moved to any CPU.

Copies can be made of any application process, and the workload for that type of
process can be spread evenly across all its running copies.

Any file, whether a database file or program object file, can be moved to any disk
drive.

All transaction message-path lengths are kept to a minimum. Ideally, an application
server should never request service from another application server. Run servers
in parallel, not in series. When you arrange server tasks in a series of sequential

Figure 7-4. Sample Application Diagram

Line

Handler

Order

Detail File

Customer

File

Order

Detail File

Server

(Formatter)

Server

(Formatter)

Requester

Requester

Line

Handler

Terminal

Process

Terminal

Process

Terminal

Process

Terminal

Process

Terminal

Process

Terminal

Process

Terminal

Process

Terminal

Process

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