BitContradiction improvements.

PerfectNumbers.Core/Persistence/KStateRepository.cs

@@ -68,12 +68,15 @@ public sealed class KStateRepository : IDisposable
         session.Upsert(keyString, valueString);
         session.CompletePending(true);
 		var flushCount = ++_flushCount;
-		if (flushCount >= PerfectNumberConstants.ByDivisorStateSaveInterval)
+		if (flushCount >= PerfectNumberConstants.ByDivisorFlushAndEvictInterval)
 		{
 			_flushCount = 0;
 			_store.Log.FlushAndEvict(wait: true);
 		}
-		
+		else
+        {
+            _store.Log.Flush(wait: false);
+        }
     }
 
     public bool TryGet(ulong prime, out BigInteger value)