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Can you elaborate a bit? You can do the same in Prometheus by summing the bucket counts. Not sure what you mean by “true p50” either. With buckets it’s always a
by nvarsj 4y ago
Can you elaborate a bit? You can do the same in Prometheus by summing the bucket counts. Not sure what you mean by “true p50” either. With buckets it’s always an approximation based on the bucket widths.
- spullara 4y agoAh, I misunderstood what you meant. If you are reporting static buckets I get how that is better than what folks typically do but how do you know the buckets a priori? Others back their histograms with things like https://github.com/tdunning/t-digest https://github.com/tdunning/t-digest. It is pretty powerful as the buckets are dynamic based on the data and histograms can be added together.