3 files changed, 2 insertions, 3 deletions
diff --git a/handlers.go b/handlers.go
index aefea85..1a04db9 100644
--- a/handlers.go
+++ b/handlers.go
@@ -59,9 +59,6 @@ func handleExists(conn net.Conn, args []string) {
 }
 
 func handleSet(conn net.Conn, args []string) {
-	db.mu.Lock()
-	defer db.mu.Unlock()
-
 	if len(args) != 3 {
         err := errors.New("wrong number of arguments for 'SET'")
         conn.Write(serializeRESP(err))
diff --git a/main.go b/main.go
index 5e56280..ca8ab44 100644
--- a/main.go
+++ b/main.go
@@ -47,6 +47,7 @@ func main() {
 	for i := 0; i < numShards; i++ {
     	shards[i] = &Shard{
         data: make(map[string]Item),
+		id: i,
     }
 }
 	db = RedisDB{shards: shards}
diff --git a/shards.go b/shards.go
index 55ab976..bd19751 100644
--- a/shards.go
+++ b/shards.go
@@ -6,6 +6,7 @@ import (
 )
 type Shard struct{
 	mu sync.Mutex
+	id int
 	data map[string]Item
 }