Alex Amato created BEAM-12103:
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Summary: HistogramCell needs a few touches to make it match the
spec :)
Key: BEAM-12103
URL: https://issues.apache.org/jira/browse/BEAM-12103
Project: Beam
Issue Type: Test
Components: java-fn-execution
Reporter: Alex Amato
See spec here:
__ [_https://s.apache.org/beam-histogram-metrics_]
A few pieces I want to highlight:
*// LINEAR(start, width, num_buckets):*
*// Bi = start + width * i*
*// e.g. LINEAR(5, 15, 6) defines:*
*// [-INF, 5), [5, 20), [20, 35), [35, 50), [50, 65), [65, +INF],
...*
Current Java implementation:
LinearBuckets.of(5, 15, 6) will defined buckets like this (6 buckets excluding
the infinite ranges)
[-INF, 5), [5, 20), [20, 35), [35, 50), [50, 65), [65, 80), [80, 95), [95,
+INF], ...
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