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[merge] feat(metrics) histograms with user-defined bins #610

Merged
merged 1 commit into from
Oct 23, 2024
Merged

[merge] feat(metrics) histograms with user-defined bins #610

merged 1 commit into from
Oct 23, 2024

Commits on Oct 23, 2024

  1. feat(metrics) implement user-defined histogram bins 

    This feature is only available through the FFI.

If a user provides a list of numbers when defining a histogram, those
numbers will be used as the upper-bounds of the histogram's bins.

For instance, the following code:

    local shm = require "resty.wasmx.shm"
    shm.metrics:define("h", shm.metrics.HISTOGRAM, { bins = { 1, 3, 5 } })

Creates a histogram with bins `[0, 1] (1, 3] (3, 5] (5, Inf+]`.

Signed-off-by: Thibault Charbonnier <[email protected]>
    @casimiro @thibaultcha
    casimiro authored and thibaultcha committed Oct 23, 2024
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