Trace Analysis Patterns (Part 165)

Sometimes we put trace statements to track responses to certain environmental actions and conditions but surprised to see them in logs when nothing happened outside that could have triggered them:

We call such an analysis pattern Phantom Activity. This is an indicator that internal program state was not updated correctly. The difference between such activities and Defamiliarizing Effect is that the former messages are expected but not in their current Message Context.

- Dmitry Vostokov @ + -

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