diff --git a/MP.Data/DbModels/Utils/StatsAggregatedModel.cs b/MP.Data/DbModels/Utils/StatsAggregatedModel.cs
index aa64a2ff..59501f32 100644
--- a/MP.Data/DbModels/Utils/StatsAggregatedModel.cs
+++ b/MP.Data/DbModels/Utils/StatsAggregatedModel.cs
@@ -16,6 +16,14 @@ namespace MP.Data.DbModels.Utils
         [Key]
         public int Id { get; set; }
         /// <summary>
+        /// Ambiente IOC/IO (new/old)
+        /// </summary>
+        public string Environment { get; set; } = "";
+        /// <summary>
+        /// Codice tipo (metodo chiamato)
+        /// </summary>
+        public string Type { get; set; } = "";
+        /// <summary>
         /// DataOra riferimento
         /// </summary>
         public DateTime Hour { get; set; }
diff --git a/MP.Data/DbModels/Utils/StatsDetailModel.cs b/MP.Data/DbModels/Utils/StatsDetailModel.cs
index 34ba8010..0b3744b4 100644
--- a/MP.Data/DbModels/Utils/StatsDetailModel.cs
+++ b/MP.Data/DbModels/Utils/StatsDetailModel.cs
@@ -16,11 +16,11 @@ namespace MP.Data.DbModels.Utils
         [Key]
         public int Id { get; set; }
         /// <summary>
-        /// Ambiente
+        /// Ambiente IOC/IO (new/old)
         /// </summary>
         public string Environment { get; set; } = "";
         /// <summary>
-        /// Codice mode/submode
+        /// Codice tipo (metodo chiamato)
         /// </summary>
         public string Type { get; set; } = "";
         /// <summary>
diff --git a/MP.IOC/Services/MetricsDbFlushService.cs b/MP.IOC/Services/MetricsDbFlushService.cs
index 99a1be1d..96eb8bf3 100644
--- a/MP.IOC/Services/MetricsDbFlushService.cs
+++ b/MP.IOC/Services/MetricsDbFlushService.cs
@@ -73,7 +73,7 @@ namespace MP.IOC.Services
 
                 var aggRange = new DtUtils.Periodo(DtUtils.PeriodSet.Today)
                 {
-                    Inicio = thirtyDaysAgo,
+                    Inizio = thirtyDaysAgo,
                     Fine = utcNow
                 };
 
@@ -147,7 +147,7 @@ namespace MP.IOC.Services
             var allKeys = await _db.SortedSetRangeByRankAsync(hoursIndexKey, 0, -1);
             foreach (var key in allKeys)
             {
-                if (key == null) continue;
+                if (!key.HasValue) continue;
                 var hourFromKey = ExtractHourFromKey(key);
                 if (hourFromKey.HasValue && hourFromKey.Value < cutoff)
                 {
@@ -168,7 +168,7 @@ namespace MP.IOC.Services
             var allKeys = await _db.SortedSetRangeByRankAsync(daysIndexKey, 0, -1);
             foreach (var key in allKeys)
             {
-                if (key == null) continue;
+                if (!key.HasValue) continue;
                 var dayFromKey = ExtractDayFromKey(key);
                 if (dayFromKey.HasValue && dayFromKey.Value.Date < cutoff.Date)
                 {
@@ -248,8 +248,6 @@ namespace MP.IOC.Services
                         RequestCount = count,
                         AvgDuration = avgDuration,
                         MaxDuration = totalMs,
-                        Perc05Duration = 0,
-                        Perc95Duration = 0,
                         MinDuration = 0,
                         NoReply = 0
                     };
@@ -266,8 +264,6 @@ namespace MP.IOC.Services
                             RequestCount = dest.Value,
                             AvgDuration = totalMs / dest.Value,
                             MaxDuration = totalMs,
-                            Perc05Duration = 0,
-                            Perc95Duration = 0,
                             MinDuration = 0,
                             NoReply = 0
                         };