||Oracle Tips by Burleson
Oracle10g Grid Computing
Chapter 17 -
Oracle’s Grid Integration Technologies
Grid Using Grid Control (OEM)
can do the day-to-day management or administration on all these
controlled resources. As the performance metrics are analyzed in a
certain time frames, the inter-relations between the related resources
can be easily understood, which leads to better problem solutions. We
have covered more details on using the Grid Control Utility in Chapter
9, Using Grid Control Utility.
Resource Manager (DRM) provides the resource management facilities. In
a database instance, which is highly active and concurrently accessed
by large numbers of users, control of suitable resource allocation is
essential. In the absence of a better resource control, some critical
and high priority sessions or tasks may not get required resources in
time. Oracle DRM is a framework that provides a mechanism to control
the resource allocation.
helps to allocate a percentage of CPU time to different users, user
groups, and applications. It can limit the parallelism of operation by
allowing other competing processes to get their share of resources. It
also can create resource pools, such as the ‘undo pool’ and the
‘active session pool’ that help control the execution resource
availability for a group of sessions.
three main components with which you can define and manage resource
allocation. They are:
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