Some operating systems use a feature called priority aging to lower the priority of long-running processes as they accumulate processing time. Priority aging can cause the performance of database server processes to decline over time.
If your operating system uses this feature, set the NOAGE configuration parameter to 1 to disable process priority aging for the database server. When process priority aging is disabled, critical database server processes continue to run at high priority.
For information about whether your operating system supports this feature, refer to the machine notes file. If your operating system does not support this feature, consider using the renice command or a similar UNIX operating system utility to increase the priority level for the database server.
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