diff --git a/GPW.CORE.Smart8/Data/CoreSmartDataService.cs b/GPW.CORE.Smart8/Data/CoreSmartDataService.cs
index 532dd50..43357ac 100644
--- a/GPW.CORE.Smart8/Data/CoreSmartDataService.cs
+++ b/GPW.CORE.Smart8/Data/CoreSmartDataService.cs
@@ -1640,13 +1640,45 @@ namespace GPW.CORE.Smart8.Data
         #region Private Methods
 
         /// <summary>
-        /// Esegue flush memoria redis dato pattern
+        /// Esegue flush memoria redis dato pat2Flush
         /// </summary>
-        /// <param name="pattern"></param>
+        /// <param name="pat2Flush"></param>
         /// <returns></returns>
-        private async Task<bool> ExecFlushRedisPattern(RedisValue pattern)
+        private async Task<bool> ExecFlushRedisPattern(RedisValue pat2Flush)
         {
             bool answ = false;
+            var masterEndpoint = redisConn.GetEndPoints()
+                                            .Where(ep => redisConn.GetServer(ep).IsConnected && !redisConn.GetServer(ep).IsReplica)
+                                            .FirstOrDefault();
+
+            // se pat2Flush è "*" elimino intero DB...
+            if (masterEndpoint != null && (pat2Flush.Equals(new RedisValue("*")) || pat2Flush == RedisValue.Null))
+            {
+                redisConn.GetServer(masterEndpoint).FlushDatabase(database: redisDb.Database);
+            }
+            else
+            {
+                var server = redisConn.GetServer(masterEndpoint);
+                var keys = server.Keys(database: redisDb.Database, pattern: pat2Flush, pageSize: 1000);
+
+                var deleteTasks = new List<Task>();
+                foreach (var key in keys)
+                {
+                    deleteTasks.Add(redisDb.KeyDeleteAsync(key));
+                    if (deleteTasks.Count >= 1000)
+                    {
+                        await Task.WhenAll(deleteTasks);
+                        deleteTasks.Clear();
+                    }
+                }
+                if (deleteTasks.Count > 0)
+                {
+                    await Task.WhenAll(deleteTasks);
+                }
+            }
+            answ = true;
+
+#if false
             var listEndpoints = redisConn.GetEndPoints();
             foreach (var endPoint in listEndpoints)
             {
@@ -1661,7 +1693,8 @@ namespace GPW.CORE.Smart8.Data
                     }
                     answ = true;
                 }
-            }
+            } 
+#endif
 
             return answ;
         }