use multileveldown ref option to not hang event loop

Author: mafintosh

index.js

@@ -28,7 +28,8 @@ module.exports = function (dir, opts) {
             connected = true;
         });
 
-        pump(socket, client.createRpcStream(), socket, function () {
+        // we pass socket as the ref option so we dont hang the event loop
+        pump(socket, client.createRpcStream({ref: socket}), socket, function () {
             if (!client.isOpen()) return;
 
             var db = level(dir, opts);

package.json

@@ -6,7 +6,7 @@
   "dependencies": {
     "has": "^1.0.0",
     "level-prebuilt": "^0.18.0-3",
-    "multileveldown": "^1.0.2",
+    "multileveldown": "^1.1.0",
     "pump": "^1.0.0"
   },
   "devDependencies": {