What Time Is It?
You’re ingesting measures (not metrics. Measures aren’t Metrics — know the difference !), and, clearly, you’re time-stamping stuff, right? Well, let’s think about that for a moment. What exactly does “time-stamping” mean? More to the point, what exactly are you time-stamping ? Consider the following Creation Time : Theoretically, the time at which that data was created. Question is, whose wall-clock are we looking at ? Unless this is a single monolith (and even there, you might be screwing up time measurements 😱), you’re looking at a distributed system, and, well, everything is relative at that point. (•) Ingestion Time : The time you received the data. Again, this is true for a given value of “you”, after all, “you” might be a distributed system too. Storage Time : The time when you actually stored the data that you ingested. And the reason you might care about this is because you might make, or have made, decisions based on data,...