Information Technology Reference
In-Depth Information
the metadata repository and moves jobs to the
Ready Queue
. The
Request Pro-
cessor
processes the jobs in the Ready Queue.
The Oracle Enterprise Scheduler allows complex scheduling needs. This is achieved
by a set of advanced functionalities such as:
•
Parameterization
•
Job sets
•
Job incompatibility
•
Subrequests
Jobs can be set up to be based on parameters that are passed at runtime. This para-
meterization allows dynamic runtime changes. Parameterization also helps in the re-
use of IC components that are invoked.
Jobs can be grouped together to be executed in sets. This enables logical grouping
of longer job schedules. These job sets either complete successfully or fail as a
group. This provides enhanced reprocessing capabilities.
Certain jobs should not be run concurrently. In order to provide for this dependency,
incompatibility between jobs can be defined. Once these incompatibilities are
defined, the scheduler will be able to enforce these dependencies. Subrequests al-
low the running of jobs in parallel threads. This improves the overall performance
while improving resource utilization.
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