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Maurice_Harnett's avatar
7 years ago

Alerting on difference to historic value


I'm new to LM (and Linux) and could use a pointer or three.

I'm attempting to monitor the health of a web application on a linux box. I'm retrieving values from a logfile in json format and have gotten as far as being able to graph the output but what I really need is to be able to compare the value of a particular datapoint from that file to the equivalent value from a week ago. If the value has increased by >15%, there's a problem and I need to alert on that. I've been able to configure a Device Metric Trend report which gives me these values but I'm not sure how to alert based on it. Could anybody advise?



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