public static void AddDeliveryThreadSample(string mdbGuid, long sample)
 {
     StoreDriverDatabasePerfCounters.InstanceEntry instanceEntry = StoreDriverDatabasePerfCounters.GetInstanceEntry(mdbGuid);
     if (instanceEntry != null)
     {
         instanceEntry.DeliveryThreadsCounter.AddValue(sample);
         lock (MSExchangeStoreDriverDatabase.TotalInstance.CurrentDeliveryThreadsPerMdb)
         {
             instanceEntry.PerfCounterInstance.CurrentDeliveryThreadsPerMdb.RawValue = instanceEntry.DeliveryThreadsCounter.CalculateAverage();
         }
     }
 }
 public static void IncrementDeliveryAttempt(string mdbGuid, bool calculateOnly = false)
 {
     StoreDriverDatabasePerfCounters.InstanceEntry instanceEntry = StoreDriverDatabasePerfCounters.GetInstanceEntry(mdbGuid);
     if (instanceEntry != null)
     {
         if (!calculateOnly)
         {
             instanceEntry.DeliveryAttemptsCounter.AddValue(1L);
         }
         lock (MSExchangeStoreDriverDatabase.TotalInstance.DeliveryAttempts)
         {
             instanceEntry.PerfCounterInstance.DeliveryAttempts.RawValue = instanceEntry.DeliveryAttemptsCounter.CalculateAverage();
         }
     }
 }