diff --git a/SteamWareLib/logger.cs b/SteamWareLib/logger.cs
index 160bcf5..5ba11e5 100644
--- a/SteamWareLib/logger.cs
+++ b/SteamWareLib/logger.cs
@@ -92,6 +92,21 @@ namespace SteamWare
         /// </summary>
         protected int _logMaxMb;
 
+        /// <summary>
+        /// max numero di veto count da accettare
+        /// </summary>
+        protected int _vetoRedisCheckLimit = 100;
+
+        /// <summary>
+        /// max numero di veto count da accettare
+        /// </summary>
+        protected int _vetoRedisPausePurge = 20;
+
+        /// <summary>
+        /// max numero di key da eliminare ogni check
+        /// </summary>
+        protected int _vetoRedisPurgeMax = 200;
+
         /// <summary>
         /// Indica se sia abilitato log diagnostico esteso...
         /// </summary>
@@ -137,6 +152,34 @@ namespace SteamWare
             {
                 enableDumpDiag = false;
             }
+            // imposto i parametri per la pulizia dei veto su Redis
+            try
+            {
+                if (!string.IsNullOrEmpty(memLayer.ML.CRS("vetoRedisCheckLimit")))
+                {
+                    _vetoRedisCheckLimit = memLayer.ML.CRI("vetoRedisCheckLimit");
+                }
+            }
+            catch
+            { }
+            try
+            {
+                if (!string.IsNullOrEmpty(memLayer.ML.CRS("vetoRedisPausePurge")))
+                {
+                    _vetoRedisPausePurge = memLayer.ML.CRI("vetoRedisPausePurge");
+                }
+            }
+            catch
+            { }
+            try
+            {
+                if (!string.IsNullOrEmpty(memLayer.ML.CRS("vetoRedisPurgeMax")))
+                {
+                    _vetoRedisPurgeMax = memLayer.ML.CRI("vetoRedisPurgeMax");
+                }
+            }
+            catch
+            { }
             // all'avvio imposto ultimo check a 23 ore fa... così farà shrink DOPO 1 h da avvio
             lastDirCheck = DateTime.Now.AddHours(-23);
         }
@@ -210,19 +253,21 @@ namespace SteamWare
         private void purgeOldVeto()
         {
             // limite minimo di chaivi salvate per cui procedere coi controlli
-            int checkLimit = 100;
+            int checkLimit = _vetoRedisCheckLimit;
             // limito cleanup x avere un operazione graduale...
-            int maxCleanup = checkLimit * 2;
+            int maxCleanup = _vetoRedisPurgeMax;
             // parto recuperando i valori VETO.... se > 100...
             string redKeyCounters = memLayer.ML.redHash("Logger:Counter:*");
             string redLastCheck = memLayer.ML.redHash("Logger:CheckLock");
             // se non ho un veto check...
             if (string.IsNullOrEmpty(memLayer.ML.getRSV(redLastCheck)))
             {
-                memLayer.ML.setRSV(redLastCheck, "LOCK", 5);
+                memLayer.ML.setRSV(redLastCheck, "LOCK", _vetoRedisPausePurge);
                 int numCount = memLayer.ML.redCountKey(redKeyCounters);
                 if (numCount > checkLimit)
                 {
+                    // se necessario riduco valore maxCleanup --> checkLimit...
+                    maxCleanup = numCount < maxCleanup ? checkLimit : maxCleanup;
                     var redKeysList2check = memLayer.ML.redGetKeys(redKeyCounters);
                     foreach (var item in redKeysList2check)
                     {
diff --git a/TestBench/App.config b/TestBench/App.config
index 1f944e5..20de6e5 100644
--- a/TestBench/App.config
+++ b/TestBench/App.config
@@ -10,6 +10,9 @@
         <add key="cacheOnRedis" value="true" />
         <add key="redisDb" value="1" />
         <add key="_logDir" value="./logs/" />
+        <add key="vetoRedisCheckLimit" value="100" />
+        <add key="vetoRedisPausePurge" value="10" />
+        <add key="vetoRedisPurgeMax" value="300" />
         <add key="codModulo" value="TestBench" />
         <add key="DbConfConnectionString" value="Data Source=SQL2016DEV;Initial Catalog=TestBench;Persist Security Info=True;User ID=sa;Password=keyhammer16;" />
     </appSettings>