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Attempts to balance the workload often produce a succession
of moderate performance improvements. Sometimes the improvements
are dramatic. However, in some situations a load-balancing approach
is not enough. The following types of situations might require measures
beyond the scope of this manual:
- Application programs that require modification to make better
use of database server or operating-system resources
- Applications that interact in ways that impair performance
- A host computer that might be subject to conflicting uses
- A host computer with capacity that is inadequate for the evolving
workload
- Network performance problems that affect client/server or other applications
No amount of database tuning can correct these situations. Nevertheless,
they are easier to identify and resolve when the database server
is configured properly.
Important:
Although broad performance considerations also include
reliability and data availability as well as improved response time
and efficient use of system resources, this manual discusses only response
time and system resource use. For discussions of improved database
server reliability and data availability, see information about
switchover, mirroring, and high availability in your IBM Informix: Dynamic Server Administrator's Guide. For information about backup and restore, see the IBM Informix: Backup and Restore Guide.
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