Chapter 16. Triage with Trends
Opportunity is missed by most people because it is dressed in overalls and looks like work.
—Thomas Alva Edison
The third level of triage is to consider the full perspective of APM by exploiting historical metrics from other sources; this is called triage with trends. Trending is the consideration of data over some period of time, usually via statistical techniques; it's something that IT is trying to do for all types of availability and performance problems, not simply those that have the benefit of APM visibility. The challenge is to bring together all of these disparate sources of data into something on which correlation techniques may be applied.
Historically, this integration effort is what folks are trying to ...
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