Resource Management Control Loop
To manage a resource, you must be able to measure and control it. A control loop is set up that measures the performance of an application subsystem, applies policies and goals to decide what to do, then uses controls to change the resources being provided to that subsystem. This loop can be implemented manually on a time scale measured in days or weeks (by reconfiguring and upgrading entire systems), or it can be automated in software and run as often as every few seconds. The control loop is shown in FIGURE 2-2.
Figure 2-2. Resource Management Control Loop
A complete system implements many control loops. A brief ...
Get Resource Management 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.
