Monitoring versu... I mean AND Observability
Whenever I mention "monitoring and observability" I immediately have to explain what I mean and how the two are different.
Chapter 3 of the co-authored O’Reilly book is now available for download. A detailed point that was omitted from the final version is being shared here as it provides valuable context on the distinction between monitoring and observability. The longer version explains that while monitoring focuses on addressing "known unknowns" with a manageable amount of data, observability is geared towards "unknown unknowns" and requires handling massive volumes of "high cardinality" data.
This necessitates extensive data collection, normalization, and parsing to identify unique data combinations. Consequently, correlation in observability is beyond human capability due to the sheer volume and complexity of data. The author frequently emphasizes this distinction during presentations, noting that both monitoring and observability should be viewed as complementary rather than mutually exclusive.
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