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Remove zero bucket for the histogram buckets for ASP.NET Core and HttpClient metrics #5021

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Merged
utpilla merged 7 commits into from
Nov 3, 2023
Merged

Remove zero bucket for the histogram buckets for ASP.NET Core and HttpClient metrics #5021

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bc13608
Update histogram buckets
utpilla Nov 3, 2023
9a2e791
Update CHANGELOG
utpilla Nov 3, 2023
931401e
Update CHANGELOG
utpilla Nov 3, 2023
33c65a6
Fix CI
utpilla Nov 3, 2023
aeba42f
Update unit tests
utpilla Nov 3, 2023
9b70052
Fix CI
utpilla Nov 3, 2023
31ee947
Merge branch 'main' into utpilla/Update-Histogram-Buckets
utpilla Nov 3, 2023
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Update histogram buckets
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@utpilla
utpilla committed Nov 3, 2023
commit bc1360843a4a384178b65a7e243bbd3d609f0395
9 changes: 7 additions & 2 deletions src/OpenTelemetry/CHANGELOG.md
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Expand Up @@ -17,8 +17,13 @@
([#5004](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5004))
([#5016](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5016))

* Update `AggregatorStore` to provide known connection metrics with larger
histogram buckets.
* Update Metrics SDK to override the default histogram buckets for the following
metrics from ASP.NET Core and HttpClient runtime:
* `signalr.server.connection.duration`
* `kestrel.connection.duration`
* `http.client.connection.duration` These histogram metrics which have their
`Unit` as `s` (second) will have their default histogram buckets as `[ 0.01,
0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 30, 60, 120, 300 ]`.
([#5008](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5008))

## 1.7.0-alpha.1
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4 changes: 2 additions & 2 deletions src/OpenTelemetry/Metrics/Metric.cs
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Expand Up @@ -30,7 +30,7 @@ public sealed class Metric
internal static readonly double[] DefaultHistogramBounds = new double[] { 0, 5, 10, 25, 50, 75, 100, 250, 500, 750, 1000, 2500, 5000, 7500, 10000 };

// Short default histogram bounds. Based on the recommended semantic convention values for http.server.request.duration.
internal static readonly double[] DefaultHistogramBoundsShortSeconds = new double[] { 0, 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1, 2.5, 5, 7.5, 10 };
internal static readonly double[] DefaultHistogramBoundsShortSeconds = new double[] { 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1, 2.5, 5, 7.5, 10 };
internal static readonly HashSet<(string, string)> DefaultHistogramBoundShortMappings = new()
{
("Microsoft.AspNetCore.Hosting", "http.server.request.duration"),
Expand All @@ -45,7 +45,7 @@ public sealed class Metric
};

// Long default histogram bounds. Not based on a standard. May change in the future.
internal static readonly double[] DefaultHistogramBoundsLongSeconds = new double[] { 0, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 30, 60, 120, 300 };
internal static readonly double[] DefaultHistogramBoundsLongSeconds = new double[] { 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 30, 60, 120, 300 };
internal static readonly HashSet<(string, string)> DefaultHistogramBoundLongMappings = new()
{
("Microsoft.AspNetCore.Http.Connections", "signalr.server.connection.duration"),
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