Better name for the ingested count

Author: andreasohlund

src/ServiceControl.Audit/Auditing/AuditIngestion.cs

@@ -187,7 +187,7 @@ async Task OnMessage(MessageContext messageContext, CancellationToken cancellati
                 await channel.Writer.WriteAsync(messageContext, cancellationToken);
                 await taskCompletionSource.Task;
 
-                ingestedMessagesCounter.Add(1);
+                successfulMessagesCounter.Add(1);
                 messageSize.Record(messageContext.Body.Length / 1024.0);
             }
         }
@@ -218,7 +218,7 @@ protected override async Task ExecuteAsync(CancellationToken stoppingToken)
                             }
 
                             auditBatchSize.Record(contexts.Count);
-                            
+
                             await auditIngestor.Ingest(contexts);
                         }
 
@@ -296,7 +296,7 @@ public override async Task StopAsync(CancellationToken cancellationToken)
         readonly Histogram<long> auditBatchSize = Telemetry.Meter.CreateHistogram<long>(Telemetry.CreateInstrumentName("ingestion", "batch_size"), description: "Audit ingestion average batch size");
         readonly Histogram<double> auditBatchDuration = Telemetry.Meter.CreateHistogram<double>(Telemetry.CreateInstrumentName("ingestion", "batch_duration"), unit: "ms", "Average audit message batch processing duration");
         readonly Histogram<double> messageSize = Telemetry.Meter.CreateHistogram<double>(Telemetry.CreateInstrumentName("ingestion", "message_size"), unit: "kilobytes", description: "Average audit message body size");
-        readonly Counter<long> ingestedMessagesCounter = Telemetry.Meter.CreateCounter<long>(Telemetry.CreateInstrumentName("ingestion", "count"), description: "Successful ingested audit message count");
+        readonly Counter<long> successfulMessagesCounter = Telemetry.Meter.CreateCounter<long>(Telemetry.CreateInstrumentName("ingestion", "successful"), description: "Successful ingested audit message count");
         readonly Histogram<long> consecutiveBatchFailuresCounter = Telemetry.Meter.CreateHistogram<long>(Telemetry.CreateInstrumentName("ingestion", "consecutive_batch_failures"), unit: "count", description: "Consecutive audit ingestion batch failure");
         readonly Histogram<double> ingestionDuration = Telemetry.Meter.CreateHistogram<double>(Telemetry.CreateInstrumentName("ingestion", "duration"), unit: "ms", description: "Average incoming audit message processing duration");
         readonly Watchdog watchdog;