New Background Processes
In Oracle Database 10g, two new background processes are responsible for collecting, sampling, and maintaining the statistical data. These processes are the MMON and MMNL.
TABLE 9-1. Metric Views (Not a Complete List)
The MMON (Manageability Monitor) process is responsible for various manageability tasks such as taking snapshots of various statistical information at prescribed time intervals and issuing alerts when metric values exceed defined thresholds. The MMON process can spawn multiple slave processes to perform these tasks.
The MMNL (the Manageability Monitor—Lightweight) process is responsible for computing various ...
Get Oracle Wait Interface: A Practical Guide to Performance Diagnostics & Tuning now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
