diff --git a/leveldb.go b/leveldb.go
index 5db6caa..ac9d373 100644
--- a/leveldb.go
+++ b/leveldb.go
@@ -69,16 +69,14 @@ func (ldb *LevelDBBackend) Shutdown() error {
 
 func (ldbs *LevelDBSession) Fetch(hash, key []byte) (value []byte, err error) {
 
-	var pos int64
-	if pos, err = bytes2pos(key); err != nil {
-		return
-	}
-	// Re-code it to make LevelDB happy.
-	key = pos2bytes(pos)
-
 	ldbs.backend.doRead(func(db *leveldb.DB) {
 		ro := leveldb.NewReadOptions()
 		value, err = ldbs.backend.db.Get(ro, key)
+		if err != nil {
+			log.Printf("Fetch key = '%s' len(value) = %d\n", key, len(value))
+		} else {
+			log.Printf("Fetch key '%s' failed.\n", key)
+		}
 		ro.Close()
 	})
 	return
@@ -101,23 +99,18 @@ func keyExists(db *leveldb.DB, key []byte) (exists bool, err error) {
 
 func (ldbs *LevelDBSession) Store(hash, key, value []byte) (exists bool, err error) {
 
-	var pos int64
-	if pos, err = bytes2pos(key); err != nil {
-		return
-	}
-	// Re-code it to make LevelDB happy.
-	key = pos2bytes(pos)
-
 	ldbs.backend.doWrite(func(db *leveldb.DB) {
 		if exists, err = keyExists(db, key); err != nil {
 			return
 		}
 
 		if ldbs.tx != nil {
+			log.Printf("Stored in tx: key = '%s' len(value) = %d\n", key, len(value))
 			ldbs.tx.Put(key, value)
 			return
 		}
 
+		log.Printf("Stored: key = '%s' len(value) = %d\n", key, len(value))
 		wo := leveldb.NewWriteOptions()
 		err = ldbs.backend.db.Put(wo, key, value)
 		wo.Close()
diff --git a/parser.go b/parser.go
index 585455e..13b4406 100644
--- a/parser.go
+++ b/parser.go
@@ -198,7 +198,7 @@ func (rce *RedisCommandExecutor) execute() bool {
 	case "EXEC":
 		return rce.commands.Exec()
 	}
-	log.Printf("WARN unkown command: %s", cmd)
+	log.Printf("WARN unkown command: '%s'", cmd)
 	return false
 }