Sample app tidy

sandersaares · sandersaares · commit 4538e37f406a · 2023-12-04T11:11:54.000+02:00
diff --git a/Sample.Console.DotNetMeters/CustomDotNetMeters.cs b/Sample.Console.DotNetMeters/CustomDotNetMeters.cs
@@ -75,6 +75,7 @@ int MeasureSandLevel()
                     highCardinalityCounter1.Add(Random.Shared.Next(10_000_000), new KeyValuePair<string, object?>("connection-id", connection));
 
                 // Maybe some connection went away, maybe some was added.
+                // Timeseries that stop receiving updates will disappear from prometheus-net output after a short delay (up to 10 minutes by default).
                 if (Random.Shared.Next(100) == 0)
                 {
                     activeConnections.RemoveAt(Random.Shared.Next(activeConnections.Count));
diff --git a/Sample.Console.DotNetMeters/Program.cs b/Sample.Console.DotNetMeters/Program.cs
@@ -9,7 +9,8 @@
 Metrics.SuppressDefaultMetrics(new SuppressDefaultMetricOptions
 {
     SuppressProcessMetrics = true,
-    SuppressEventCounters = true
+    SuppressEventCounters = true,
+    SuppressDebugMetrics = true
 });
 
 // Example of static labels that conflict with .NET Meters API labels ("Bytes considered" histogram).
@@ -23,7 +24,7 @@
 using var server = new KestrelMetricServer(port: 1234);
 server.Start();
 
-// Start publishing sample data via .NET Meters API. Data from this API is published by default by prometheus-net.
+// Start publishing sample data via .NET Meters API. All data from the .NET Meters API is published by default.
 CustomDotNetMeters.PublishSampleData();
 
 // Metrics published in this sample:
diff --git a/Sample.Console/Program.cs b/Sample.Console/Program.cs
@@ -27,6 +27,7 @@
 // * built-in process metrics giving basic information about the .NET runtime (enabled by default)
 // * metrics from .NET Event Counters (enabled by default, updated every 10 seconds)
 // * metrics from .NET Meters (enabled by default)
+// * prometheus-net self-inspection metrics that indicate number of registered metrics/timeseries (enabled by default)
 // * the custom sample counter defined above
 Console.WriteLine("Open http://localhost:1234/metrics in a web browser.");
 Console.WriteLine("Press enter to exit.");
diff --git a/Sample.Grpc/Program.cs b/Sample.Grpc/Program.cs
@@ -30,6 +30,7 @@
     // * built-in process metrics giving basic information about the .NET runtime (enabled by default)
     // * metrics from .NET Event Counters (enabled by default, updated every 10 seconds)
     // * metrics from .NET Meters (enabled by default)
+    // * prometheus-net self-inspection metrics that indicate number of registered metrics/timeseries (enabled by default)
     // * metrics about HTTP requests handled by the web app (configured above)
     // * metrics about gRPC requests handled by the web app (configured above)
     app.MapMetrics();

Original file line number	Diff line number	Diff line change
`@@ -75,6 +75,7 @@ int MeasureSandLevel()`
`75`	`75`	`highCardinalityCounter1.Add(Random.Shared.Next(10_000_000), new KeyValuePair<string, object?>("connection-id", connection));`
`76`	`76`
`77`	`77`	`// Maybe some connection went away, maybe some was added.`
	`78`	`+ // Timeseries that stop receiving updates will disappear from prometheus-net output after a short delay (up to 10 minutes by default).`
`78`	`79`	`if (Random.Shared.Next(100) == 0)`
`79`	`80`	`{`
`80`	`81`	`activeConnections.RemoveAt(Random.Shared.Next(activeConnections.Count));`