IEEE/ICACT20260142 Slide.18        [Big Slide]       Oral Presentation
Trends capture gradual monotonic increases or decreases, such as steady memory growth indicating potential leaks in servers or applications. We calculate the slope ет using SciPys linregress on time-value pairs, then validate monotonicity with Spearmans rank correlation: thats the covariance of ranks Rx and Ry divided by their standard deviations. It ensures we catch problems that build up over time, preventing broader SLO impacts like service interruptions.

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