feat(logging): add log when mysql pool enqueues

mozilla · Apr 20, 2015 · 461b5c1 · 461b5c1
1 parent bcf6319
commit 461b5c1
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/lib/db/mysql/index.js b/lib/db/mysql/index.js
@@ -28,7 +28,13 @@ function MysqlStore(options) {
     }
     return next();
   };
-  this._pool = mysql.createPool(options);
+  logger.info('pool.create', { options: options });
+  var pool = this._pool = mysql.createPool(options);
+  pool.on('enqueue', function() {
+    logger.info('pool.enqueue', {
+      queueLength: pool._connectionQueue && pool._connectionQueue.length
+    });
+  });
 }
 
 // Apply patches up to the current patch level.