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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
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| using System.Diagnostics.Metrics; | ||
| using System.Reflection; | ||
| using OpenTelemetry.Internal; | ||
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|
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| namespace OpenTelemetry.Instrumentation.StackExchangeRedis.Implementation; | ||
|
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| internal class RedisMetrics : IDisposable | ||
| { | ||
| internal const string MetricRequestDurationName = "redis.client.request.duration"; | ||
| internal const string MetricWaitingResponseName = "redis.client.request.waiting_response"; | ||
| internal const string MetricTimeInQueueName = "redis.client.request.time_in_queue"; | ||
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| internal static readonly Assembly Assembly = typeof(StackExchangeRedisInstrumentation).Assembly; | ||
| internal static readonly AssemblyName AssemblyName = Assembly.GetName(); | ||
| internal static readonly string InstrumentationName = AssemblyName.Name; | ||
| internal static readonly string InstrumentationVersion = Assembly.GetPackageVersion(); | ||
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| private readonly Meter meter; | ||
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| public RedisMetrics() | ||
| { | ||
| this.meter = new Meter(InstrumentationName, InstrumentationVersion); | ||
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| this.QueueHistogram = this.meter.CreateHistogram<double>( | ||
| MetricTimeInQueueName, | ||
| unit: "s", | ||
| description: "Total time the redis request was waiting in queue before being sent to the server."); | ||
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| this.WaitingResponseHistogram = this.meter.CreateHistogram<double>( | ||
| MetricWaitingResponseName, | ||
| unit: "s", | ||
| description: "Duration of redis requests since sent the request to receive the response."); | ||
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| this.RequestHistogram = this.meter.CreateHistogram<double>( | ||
| MetricRequestDurationName, | ||
| unit: "s", | ||
| description: "Total client request duration, including processing, queue and server duration."); | ||
| } | ||
|
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| public static RedisMetrics Instance { get; } = new RedisMetrics(); | ||
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| public Histogram<double> QueueHistogram { get; } | ||
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| public Histogram<double> WaitingResponseHistogram { get; } | ||
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| public Histogram<double> RequestHistogram { get; } | ||
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| public bool Enabled => this.RequestHistogram.Enabled; | ||
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| public void Dispose() | ||
| { | ||
| this.meter.Dispose(); | ||
| } | ||
| } | ||
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