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@tdeekens tdeekens released this 01 Sep 06:35
· 219 commits to main since this release
eeed04e

Major Changes

  • #1099 c3fbd90 Thanks @tdeekens! - Allow customization of individual metrics.

    Previously we only allowed customizing a all histogram and percentile based metrics once with a buckets and percentiles option. This is too restrictive in cases in which you need to customize metrics individually.

    As a result you can now pass metricBuckets and metricPercentiles as options. Both of which are a Record<string, number[]>. The key needs to match a an existing metric type.

    This is a more elaborate example:

    const middleware = createMiddleware({
      app,
      options: {
        metricBuckets: {
          httpRequestContentLengthInBytes: [
            100000, 200000, 500000, 1000000, 1500000, 2000000, 3000000, 5000000,
            10000000,
          ],
          httpRequestDurationInSeconds: [
            0.05, 0.1, 0.3, 0.5, 0.8, 1, 1.5, 2, 3, 10,
          ],
        },
        metricPercentiles: {
          httpRequestDurationPerPercentileInSeconds: [0.5, 0.9, 0.95, 0.98, 0.99],
          httpResponseContentLengthInBytes: [
            100000, 200000, 500000, 1000000, 1500000, 2000000, 3000000, 5000000,
            10000000,
          ],
        },
      },
    });

    If you used buckets or percentiles before you migrate the values into the structure above.

Patch Changes