Fixed: k-means low level to use a single hosting instance.

Author: djarpin

sagemaker-python-sdk/1P_kmeans_lowlevel/kmeans_mnist_lowlevel.ipynb

@@ -308,7 +308,7 @@
     "    EndpointConfigName = endpoint_config_name,\n",
     "    ProductionVariants=[{\n",
     "        'InstanceType':'ml.m4.xlarge',\n",
-    "        'InitialInstanceCount':3,\n",
+    "        'InitialInstanceCount':1,\n",
     "        'ModelName':model_name,\n",
     "        'VariantName':'AllTraffic'}])\n",
     "\n",