Queue occupancy histogram #912
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Changes the semantics of num_buckets() to match the num_buckets constructor argument. Setting num_buckets assumed the user did not include the +1 bucket for above_range; getting num_buckets() did include the above_range bucket.
shinae-woo
reviewed
May 15, 2019
| * is of samples using this graininess, but (being a result of division) | ||
| * may not be a multiple of the resolution. | ||
| */ | ||
| message MeasureCommandGetSummaryResponse { |
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Could we avoid/minimize changing the protobuf message field names? There are many external project/repo using this, it's all broken. At least two of my project is not compatible with these changes.
Histogram functionality currently used in the Measure module will soon be used in other modules. This commit moves some helper functions and protobufs so they can be shared.
dtnaylor
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Adds a histogram to the queue module which can be enabled to track statistics about queue occupancy.