PromEx.BucketGenerator (PromEx v0.1.6-alpha) View Source

This module provides functions to generate histogram bucket ranges. The lists of buckets that can be generated are either linear or exponential.

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Functions

Create a linear set of buckets based on the provided parameters.

Create a linear set of buckets based on the provided parameters.

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exponential!(start, factor, num_buckets)

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Specs

exponential!(start :: number(), factor :: number(), num_buckets :: number()) ::
  [non_neg_integer()]

Create a linear set of buckets based on the provided parameters.

Examples

iex> PromEx.BucketGenerator.exponential!(1, 4, 10)
[1, 4, 16, 64, 256, 1024, 4096, 16384, 65536, 262144]

iex> PromEx.BucketGenerator.exponential!(1, 2, 10)
[1, 2, 4, 8, 16, 32, 64, 128, 256, 512]
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linear!(start, step, num_buckets)

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Specs

linear!(start :: number(), step :: number(), num_buckets :: number()) :: [
  non_neg_integer()
]

Create a linear set of buckets based on the provided parameters.

Examples

iex> PromEx.BucketGenerator.linear!(10, 10, 10)
[10, 20, 30, 40, 50, 60, 70, 80, 90, 100]

iex> PromEx.BucketGenerator.linear!(0, 250, 11)
[0, 250, 500, 750, 1000, 1250, 1500, 1750, 2000, 2250, 2500]