6.1.2 Considering maintenance methods
To maintain an embedded database, you need to enable the automatic maintenance function or execute the ajsembdbreclaim command manually or automatically.
- Organization of this subsection
(1) Selecting the maintenance method
The following table shows the characteristics of the automatic maintenance function and the ajsembdbreclaim command. Use the appropriate method for your operation.
Maintenance method |
Advantages |
Disadvantages |
---|---|---|
The automatic maintenance function |
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|
Execute the ajsembdbreclaim command |
|
|
(2) Precautions on using the automatic maintenance function
If maintenance by using the automatic maintenance function and maintenance by using the ajsembdbreclaim command are performed concurrently, either maintenance processing might terminate abnormally. If you enable the automatic maintenance function, do not execute the ajsembdbreclaim command while maintenance is being performed.
(3) JP1/AJS3 - Manager configuration that does not need maintenance
When JP1/AJS3 - Manager is configured as follows, maintenance is not required because an embedded database is not used.
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When the functionality of JP1/AJS3 - Manager is restricted to job execution
For details about restricting the functionality of JP1/AJS3 - Manager to job execution, see 13.1.6 Limiting JP1/AJS3 - Manager resources to those used for job operation in the JP1/Automatic Job Management System 3 Administration Guide.
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When the functionality of JP1/AJS3 - Manager is restricted to the registration and operation of submit jobs
For details about restricting the functionality of JP1/AJS3 - Manager to the registration and operation of submit jobs, see 7.1.2(4) Restricting JP1/AJS3 - Manager to the registration and operation of submit jobs (Windows host).
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When JP1/AJS3 - Manager is used in an external database environment