15.1. Day-to-day performance
Performance tuning aims to satisfy service level agreements that reflect users' requirements pertaining to performance.
A key advantage of running Linux on the mainframe is the decades of experience developing the right knobs and meters for performance tuning. These well-documented knobs and meters are equally valuable for providing the insight for performance tuning in the new server consolidation Linux-on-the-mainframe world. The knobs are the parameters that the analyst changes and the meters are the reports by which the analyst can observe the effects of the parameter changes. These knobs and meters are realized with the various performance management tools.
Performance measurement and tuning are costly. Why would ...
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