diff --git a/sdk/hdinsight/arm-hdinsight/package.json b/sdk/hdinsight/arm-hdinsight/package.json
index 027d8a8a55ef..4820600b178c 100644
--- a/sdk/hdinsight/arm-hdinsight/package.json
+++ b/sdk/hdinsight/arm-hdinsight/package.json
@@ -26,7 +26,7 @@
     "rollup-plugin-sourcemaps": "^0.4.2",
     "uglify-js": "^3.4.9"
   },
-  "homepage": "https://github.com/azure/azure-sdk-for-js/tree/master/sdk/hdinsight/arm-hdinsight",
+  "homepage": "https://github.com/azure/azure-sdk-for-js",
   "repository": {
     "type": "git",
     "url": "https://github.com/azure/azure-sdk-for-js.git"
diff --git a/sdk/hdinsight/arm-hdinsight/src/models/applicationsMappers.ts b/sdk/hdinsight/arm-hdinsight/src/models/applicationsMappers.ts
index 9e4d011634ff..abef6ef057e7 100644
--- a/sdk/hdinsight/arm-hdinsight/src/models/applicationsMappers.ts
+++ b/sdk/hdinsight/arm-hdinsight/src/models/applicationsMappers.ts
@@ -12,6 +12,11 @@ export {
   ApplicationGetHttpsEndpoint,
   ApplicationListResult,
   ApplicationProperties,
+  Autoscale,
+  AutoscaleCapacity,
+  AutoscaleRecurrence,
+  AutoscaleSchedule,
+  AutoscaleTimeAndCapacity,
   BaseResource,
   Cluster,
   ClusterDefinition,
diff --git a/sdk/hdinsight/arm-hdinsight/src/models/clustersMappers.ts b/sdk/hdinsight/arm-hdinsight/src/models/clustersMappers.ts
index 5a79d1d53c27..94986db631b3 100644
--- a/sdk/hdinsight/arm-hdinsight/src/models/clustersMappers.ts
+++ b/sdk/hdinsight/arm-hdinsight/src/models/clustersMappers.ts
@@ -11,6 +11,11 @@ export {
   ApplicationGetEndpoint,
   ApplicationGetHttpsEndpoint,
   ApplicationProperties,
+  Autoscale,
+  AutoscaleCapacity,
+  AutoscaleRecurrence,
+  AutoscaleSchedule,
+  AutoscaleTimeAndCapacity,
   BaseResource,
   Cluster,
   ClusterCreateParametersExtended,
diff --git a/sdk/hdinsight/arm-hdinsight/src/models/index.ts b/sdk/hdinsight/arm-hdinsight/src/models/index.ts
index 622af9e0b4a8..e95733714f30 100644
--- a/sdk/hdinsight/arm-hdinsight/src/models/index.ts
+++ b/sdk/hdinsight/arm-hdinsight/src/models/index.ts
@@ -76,6 +76,81 @@ export interface SecurityProfile {
   msiResourceId?: string;
 }
 
+/**
+ * Time and capacity request parameters
+ */
+export interface AutoscaleTimeAndCapacity {
+  /**
+   * 24-hour time in the form xx:xx
+   */
+  time?: string;
+  /**
+   * The minimum instance count of the cluster
+   */
+  minInstanceCount?: number;
+  /**
+   * The maximum instance count of the cluster
+   */
+  maxInstanceCount?: number;
+}
+
+/**
+ * Parameters for a schedule-based autoscale rule, consisting of an array of days + a time and
+ * capacity
+ */
+export interface AutoscaleSchedule {
+  /**
+   * Days of the week for a schedule-based autoscale rule
+   */
+  days?: DaysOfWeek[];
+  /**
+   * Time and capacity for a schedule-based autoscale rule
+   */
+  timeAndCapacity?: AutoscaleTimeAndCapacity;
+}
+
+/**
+ * The load-based autoscale request parameters
+ */
+export interface AutoscaleCapacity {
+  /**
+   * The minimum instance count of the cluster
+   */
+  minInstanceCount?: number;
+  /**
+   * The maximum instance count of the cluster
+   */
+  maxInstanceCount?: number;
+}
+
+/**
+ * Schedule-based autoscale request parameters
+ */
+export interface AutoscaleRecurrence {
+  /**
+   * The time zone for the autoscale schedule times
+   */
+  timeZone?: string;
+  /**
+   * Array of schedule-based autoscale rules
+   */
+  schedule?: AutoscaleSchedule[];
+}
+
+/**
+ * The autoscale request parameters
+ */
+export interface Autoscale {
+  /**
+   * Parameters for load-based autoscale
+   */
+  capacity?: AutoscaleCapacity;
+  /**
+   * Parameters for schedule-based autoscale
+   */
+  recurrence?: AutoscaleRecurrence;
+}
+
 /**
  * The hardware profile.
  */
@@ -202,6 +277,10 @@ export interface Role {
    * The instance count of the cluster.
    */
   targetInstanceCount?: number;
+  /**
+   * The autoscale configurations.
+   */
+  autoscaleConfiguration?: Autoscale;
   /**
    * The hardware profile.
    */
@@ -832,6 +911,14 @@ export interface ApplicationGetHttpsEndpoint {
    * The public port to connect to.
    */
   publicPort?: number;
+  /**
+   * The subDomainSuffix of the application and can not greater than 3 characters.
+   */
+  subDomainSuffix?: string;
+  /**
+   * The value indicates whether to disable GatewayAuth.
+   */
+  disableGatewayAuth?: boolean;
 }
 
 /**
@@ -1161,6 +1248,15 @@ export interface OperationListResult extends Array<Operation> {
  */
 export type DirectoryType = 'ActiveDirectory';
 
+/**
+ * Defines values for DaysOfWeek.
+ * Possible values include: 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday',
+ * 'Sunday'
+ * @readonly
+ * @enum {string}
+ */
+export type DaysOfWeek = 'Monday' | 'Tuesday' | 'Wednesday' | 'Thursday' | 'Friday' | 'Saturday' | 'Sunday';
+
 /**
  * Defines values for OSType.
  * Possible values include: 'Windows', 'Linux'
diff --git a/sdk/hdinsight/arm-hdinsight/src/models/mappers.ts b/sdk/hdinsight/arm-hdinsight/src/models/mappers.ts
index 3fc07ae3c1c6..5291b4456248 100644
--- a/sdk/hdinsight/arm-hdinsight/src/models/mappers.ts
+++ b/sdk/hdinsight/arm-hdinsight/src/models/mappers.ts
@@ -128,6 +128,145 @@ export const SecurityProfile: msRest.CompositeMapper = {
   }
 };
 
+export const AutoscaleTimeAndCapacity: msRest.CompositeMapper = {
+  serializedName: "AutoscaleTimeAndCapacity",
+  type: {
+    name: "Composite",
+    className: "AutoscaleTimeAndCapacity",
+    modelProperties: {
+      time: {
+        serializedName: "time",
+        type: {
+          name: "String"
+        }
+      },
+      minInstanceCount: {
+        serializedName: "minInstanceCount",
+        type: {
+          name: "Number"
+        }
+      },
+      maxInstanceCount: {
+        serializedName: "maxInstanceCount",
+        type: {
+          name: "Number"
+        }
+      }
+    }
+  }
+};
+
+export const AutoscaleSchedule: msRest.CompositeMapper = {
+  serializedName: "AutoscaleSchedule",
+  type: {
+    name: "Composite",
+    className: "AutoscaleSchedule",
+    modelProperties: {
+      days: {
+        serializedName: "days",
+        type: {
+          name: "Sequence",
+          element: {
+            type: {
+              name: "Enum",
+              allowedValues: [
+                "Monday",
+                "Tuesday",
+                "Wednesday",
+                "Thursday",
+                "Friday",
+                "Saturday",
+                "Sunday"
+              ]
+            }
+          }
+        }
+      },
+      timeAndCapacity: {
+        serializedName: "timeAndCapacity",
+        type: {
+          name: "Composite",
+          className: "AutoscaleTimeAndCapacity"
+        }
+      }
+    }
+  }
+};
+
+export const AutoscaleCapacity: msRest.CompositeMapper = {
+  serializedName: "AutoscaleCapacity",
+  type: {
+    name: "Composite",
+    className: "AutoscaleCapacity",
+    modelProperties: {
+      minInstanceCount: {
+        serializedName: "minInstanceCount",
+        type: {
+          name: "Number"
+        }
+      },
+      maxInstanceCount: {
+        serializedName: "maxInstanceCount",
+        type: {
+          name: "Number"
+        }
+      }
+    }
+  }
+};
+
+export const AutoscaleRecurrence: msRest.CompositeMapper = {
+  serializedName: "AutoscaleRecurrence",
+  type: {
+    name: "Composite",
+    className: "AutoscaleRecurrence",
+    modelProperties: {
+      timeZone: {
+        serializedName: "timeZone",
+        type: {
+          name: "String"
+        }
+      },
+      schedule: {
+        serializedName: "schedule",
+        type: {
+          name: "Sequence",
+          element: {
+            type: {
+              name: "Composite",
+              className: "AutoscaleSchedule"
+            }
+          }
+        }
+      }
+    }
+  }
+};
+
+export const Autoscale: msRest.CompositeMapper = {
+  serializedName: "Autoscale",
+  type: {
+    name: "Composite",
+    className: "Autoscale",
+    modelProperties: {
+      capacity: {
+        serializedName: "capacity",
+        type: {
+          name: "Composite",
+          className: "AutoscaleCapacity"
+        }
+      },
+      recurrence: {
+        serializedName: "recurrence",
+        type: {
+          name: "Composite",
+          className: "AutoscaleRecurrence"
+        }
+      }
+    }
+  }
+};
+
 export const HardwareProfile: msRest.CompositeMapper = {
   serializedName: "HardwareProfile",
   type: {
@@ -335,6 +474,13 @@ export const Role: msRest.CompositeMapper = {
           name: "Number"
         }
       },
+      autoscaleConfiguration: {
+        serializedName: "autoscale",
+        type: {
+          name: "Composite",
+          className: "Autoscale"
+        }
+      },
       hardwareProfile: {
         serializedName: "hardwareProfile",
         type: {
@@ -1435,6 +1581,18 @@ export const ApplicationGetHttpsEndpoint: msRest.CompositeMapper = {
         type: {
           name: "Number"
         }
+      },
+      subDomainSuffix: {
+        serializedName: "subDomainSuffix",
+        type: {
+          name: "String"
+        }
+      },
+      disableGatewayAuth: {
+        serializedName: "disableGatewayAuth",
+        type: {
+          name: "Boolean"
+        }
       }
     }
   }