update to 0.7.4
diff --git a/_config.yml b/_config.yml
index 58061d6..6a963c8 100644
--- a/_config.yml
+++ b/_config.yml
@@ -12,7 +12,7 @@
   - _modules
 
 # These allow the documentation to be updated with newer releases of Gearpump
-GEARPUMP_VERSION: 0.7.3
+GEARPUMP_VERSION: 0.7.4
 SCALA_BINARY_VERSION: "2.11"
 SCALA_VERSION: "2.11.7"
 GEARPUMP_ISSUE_TRACKER_URL: https://github.com/gearpump/gearpump/issues
diff --git a/releases/latest/about.html b/releases/latest/about.html
index f0be2d4..6b1d293 100644
--- a/releases/latest/about.html
+++ b/releases/latest/about.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>About - Gearpump 0.7.3 Documentation</title>
+  <title>About - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/api/java/allclasses-frame.html b/releases/latest/api/java/allclasses-frame.html
index 8377b03..49d845a 100644
--- a/releases/latest/api/java/allclasses-frame.html
+++ b/releases/latest/api/java/allclasses-frame.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:33 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:30 CST 2016 -->
 <title>All Classes</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 </head>
 <body>
@@ -96,6 +96,7 @@
 <li><a href="io/gearpump/streaming/DAG$.html" title="class in io.gearpump.streaming" target="classFrame">DAG$</a></li>
 <li><a href="io/gearpump/streaming/appmaster/DagManager.html" title="class in io.gearpump.streaming.appmaster" target="classFrame">DagManager</a></li>
 <li><a href="io/gearpump/streaming/appmaster/DagManager$.html" title="class in io.gearpump.streaming.appmaster" target="classFrame">DagManager$</a></li>
+<li><a href="io/gearpump/streaming/appmaster/DagManager.DagInitiated$.html" title="class in io.gearpump.streaming.appmaster" target="classFrame">DagManager.DagInitiated$</a></li>
 <li><a href="io/gearpump/streaming/appmaster/DagManager.DAGOperation.html" title="interface in io.gearpump.streaming.appmaster" target="classFrame"><i>DagManager.DAGOperation</i></a></li>
 <li><a href="io/gearpump/streaming/appmaster/DagManager.DAGOperationFailed.html" title="class in io.gearpump.streaming.appmaster" target="classFrame">DagManager.DAGOperationFailed</a></li>
 <li><a href="io/gearpump/streaming/appmaster/DagManager.DAGOperationFailed$.html" title="class in io.gearpump.streaming.appmaster" target="classFrame">DagManager.DAGOperationFailed$</a></li>
diff --git a/releases/latest/api/java/allclasses-noframe.html b/releases/latest/api/java/allclasses-noframe.html
index 1a87d81..38c919b 100644
--- a/releases/latest/api/java/allclasses-noframe.html
+++ b/releases/latest/api/java/allclasses-noframe.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:33 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:30 CST 2016 -->
 <title>All Classes</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 </head>
 <body>
@@ -96,6 +96,7 @@
 <li><a href="io/gearpump/streaming/DAG$.html" title="class in io.gearpump.streaming">DAG$</a></li>
 <li><a href="io/gearpump/streaming/appmaster/DagManager.html" title="class in io.gearpump.streaming.appmaster">DagManager</a></li>
 <li><a href="io/gearpump/streaming/appmaster/DagManager$.html" title="class in io.gearpump.streaming.appmaster">DagManager$</a></li>
+<li><a href="io/gearpump/streaming/appmaster/DagManager.DagInitiated$.html" title="class in io.gearpump.streaming.appmaster">DagManager.DagInitiated$</a></li>
 <li><a href="io/gearpump/streaming/appmaster/DagManager.DAGOperation.html" title="interface in io.gearpump.streaming.appmaster"><i>DagManager.DAGOperation</i></a></li>
 <li><a href="io/gearpump/streaming/appmaster/DagManager.DAGOperationFailed.html" title="class in io.gearpump.streaming.appmaster">DagManager.DAGOperationFailed</a></li>
 <li><a href="io/gearpump/streaming/appmaster/DagManager.DAGOperationFailed$.html" title="class in io.gearpump.streaming.appmaster">DagManager.DAGOperationFailed$</a></li>
diff --git a/releases/latest/api/java/constant-values.html b/releases/latest/api/java/constant-values.html
index d0ac72d..156f411 100644
--- a/releases/latest/api/java/constant-values.html
+++ b/releases/latest/api/java/constant-values.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:31 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:29 CST 2016 -->
 <title>Constant Field Values</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 </head>
 <body>
diff --git a/releases/latest/api/java/deprecated-list.html b/releases/latest/api/java/deprecated-list.html
index a0c0fe1..3ed4cdf 100644
--- a/releases/latest/api/java/deprecated-list.html
+++ b/releases/latest/api/java/deprecated-list.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:33 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:30 CST 2016 -->
 <title>Deprecated List</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 </head>
 <body>
diff --git a/releases/latest/api/java/help-doc.html b/releases/latest/api/java/help-doc.html
index b24f086..1378165 100644
--- a/releases/latest/api/java/help-doc.html
+++ b/releases/latest/api/java/help-doc.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:33 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:30 CST 2016 -->
 <title>API Help</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 </head>
 <body>
diff --git a/releases/latest/api/java/index-all.html b/releases/latest/api/java/index-all.html
index a2ebbf3..a3471b2 100644
--- a/releases/latest/api/java/index-all.html
+++ b/releases/latest/api/java/index-all.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:32 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:29 CST 2016 -->
 <title>Index</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="./stylesheet.css" title="Style">
 </head>
 <body>
@@ -689,14 +689,16 @@
 <dd>
 <div class="block">Will handle dag modification and other stuff related with DAG</div>
 </dd>
-<dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.html#DagManager(int, io.gearpump.cluster.UserConfig, scala.Option)">DagManager(int, UserConfig, Option&lt;DAG&gt;)</a></span> - Constructor for class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.html" title="class in io.gearpump.streaming.appmaster">DagManager</a></dt>
-<dd>&nbsp;</dd>
-<dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.html#DagManager(int, io.gearpump.cluster.UserConfig)">DagManager(int, UserConfig)</a></span> - Constructor for class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.html" title="class in io.gearpump.streaming.appmaster">DagManager</a></dt>
+<dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.html#DagManager(int, io.gearpump.cluster.UserConfig, io.gearpump.streaming.storage.AppDataStore, scala.Option)">DagManager(int, UserConfig, AppDataStore, Option&lt;DAG&gt;)</a></span> - Constructor for class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.html" title="class in io.gearpump.streaming.appmaster">DagManager</a></dt>
 <dd>&nbsp;</dd>
 <dt><a href="./io/gearpump/streaming/appmaster/DagManager$.html" title="class in io.gearpump.streaming.appmaster"><span class="strong">DagManager$</span></a> - Class in <a href="./io/gearpump/streaming/appmaster/package-summary.html">io.gearpump.streaming.appmaster</a></dt>
 <dd>&nbsp;</dd>
 <dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager$.html#DagManager$()">DagManager$()</a></span> - Constructor for class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager$.html" title="class in io.gearpump.streaming.appmaster">DagManager$</a></dt>
 <dd>&nbsp;</dd>
+<dt><a href="./io/gearpump/streaming/appmaster/DagManager.DagInitiated$.html" title="class in io.gearpump.streaming.appmaster"><span class="strong">DagManager.DagInitiated$</span></a> - Class in <a href="./io/gearpump/streaming/appmaster/package-summary.html">io.gearpump.streaming.appmaster</a></dt>
+<dd>&nbsp;</dd>
+<dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.DagInitiated$.html#DagManager.DagInitiated$()">DagManager.DagInitiated$()</a></span> - Constructor for class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.DagInitiated$.html" title="class in io.gearpump.streaming.appmaster">DagManager.DagInitiated$</a></dt>
+<dd>&nbsp;</dd>
 <dt><a href="./io/gearpump/streaming/appmaster/DagManager.DAGOperation.html" title="interface in io.gearpump.streaming.appmaster"><span class="strong">DagManager.DAGOperation</span></a> - Interface in <a href="./io/gearpump/streaming/appmaster/package-summary.html">io.gearpump.streaming.appmaster</a></dt>
 <dd>&nbsp;</dd>
 <dt><a href="./io/gearpump/streaming/appmaster/DagManager.DAGOperationFailed.html" title="class in io.gearpump.streaming.appmaster"><span class="strong">DagManager.DAGOperationFailed</span></a> - Class in <a href="./io/gearpump/streaming/appmaster/package-summary.html">io.gearpump.streaming.appmaster</a></dt>
@@ -765,7 +767,7 @@
 <dd>&nbsp;</dd>
 <dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.WatchChange$.html#DagManager.WatchChange$()">DagManager.WatchChange$()</a></span> - Constructor for class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.WatchChange$.html" title="class in io.gearpump.streaming.appmaster">DagManager.WatchChange$</a></dt>
 <dd>&nbsp;</dd>
-<dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.html#dags()">dags()</a></span> - Method in class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.html" title="class in io.gearpump.streaming.appmaster">DagManager</a></dt>
+<dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.html#dagService()">dagService()</a></span> - Method in class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.html" title="class in io.gearpump.streaming.appmaster">DagManager</a></dt>
 <dd>&nbsp;</dd>
 <dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.GetTaskLaunchData.html#dagVersion()">dagVersion()</a></span> - Method in class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.GetTaskLaunchData.html" title="class in io.gearpump.streaming.appmaster">DagManager.GetTaskLaunchData</a></dt>
 <dd>&nbsp;</dd>
@@ -1880,6 +1882,10 @@
 <dd>
 <div class="block">Static reference to the singleton instance of this Scala object.</div>
 </dd>
+<dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.DagInitiated$.html#MODULE$">MODULE$</a></span> - Static variable in class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.DagInitiated$.html" title="class in io.gearpump.streaming.appmaster">DagManager.DagInitiated$</a></dt>
+<dd>
+<div class="block">Static reference to the singleton instance of this Scala object.</div>
+</dd>
 <dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.DAGOperationFailed$.html#MODULE$">MODULE$</a></span> - Static variable in class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.DAGOperationFailed$.html" title="class in io.gearpump.streaming.appmaster">DagManager.DAGOperationFailed$</a></dt>
 <dd>
 <div class="block">Static reference to the singleton instance of this Scala object.</div>
@@ -2787,6 +2793,8 @@
 <dd>&nbsp;</dd>
 <dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/ClockService.html#preStart()">preStart()</a></span> - Method in class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/ClockService.html" title="class in io.gearpump.streaming.appmaster">ClockService</a></dt>
 <dd>&nbsp;</dd>
+<dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.html#preStart()">preStart()</a></span> - Method in class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.html" title="class in io.gearpump.streaming.appmaster">DagManager</a></dt>
+<dd>&nbsp;</dd>
 <dt><span class="strong"><a href="./io/gearpump/streaming/task/TaskActor.html#preStart()">preStart()</a></span> - Method in class io.gearpump.streaming.task.<a href="./io/gearpump/streaming/task/TaskActor.html" title="class in io.gearpump.streaming.task">TaskActor</a></dt>
 <dd>&nbsp;</dd>
 <dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/ClockService.HealthChecker.ClockValue.html#prettyPrint()">prettyPrint()</a></span> - Method in class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/ClockService.HealthChecker.ClockValue.html" title="class in io.gearpump.streaming.appmaster">ClockService.HealthChecker.ClockValue</a></dt>
@@ -3963,6 +3971,8 @@
 </a>
 <h2 class="title">W</h2>
 <dl>
+<dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/DagManager.html#waitForDagInitiate()">waitForDagInitiate()</a></span> - Method in class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/DagManager.html" title="class in io.gearpump.streaming.appmaster">DagManager</a></dt>
+<dd>&nbsp;</dd>
 <dt><span class="strong"><a href="./io/gearpump/streaming/appmaster/ClockService.html#waitForStartClock()">waitForStartClock()</a></span> - Method in class io.gearpump.streaming.appmaster.<a href="./io/gearpump/streaming/appmaster/ClockService.html" title="class in io.gearpump.streaming.appmaster">ClockService</a></dt>
 <dd>&nbsp;</dd>
 <dt><span class="strong"><a href="./io/gearpump/streaming/task/TaskActor.html#waitForStartClock()">waitForStartClock()</a></span> - Method in class io.gearpump.streaming.task.<a href="./io/gearpump/streaming/task/TaskActor.html" title="class in io.gearpump.streaming.task">TaskActor</a></dt>
diff --git a/releases/latest/api/java/index.html b/releases/latest/api/java/index.html
index 21c9bac..de1c592 100644
--- a/releases/latest/api/java/index.html
+++ b/releases/latest/api/java/index.html
@@ -2,7 +2,7 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc on Mon Jan 04 20:30:33 CST 2016 -->
+<!-- Generated by javadoc on Wed Jan 13 23:44:30 CST 2016 -->
 <title>Generated Documentation (Untitled)</title>
 <script type="text/javascript">
     targetPage = "" + window.location.search;
diff --git a/releases/latest/api/java/io/gearpump/streaming/AckRequestSerializer.html b/releases/latest/api/java/io/gearpump/streaming/AckRequestSerializer.html
index d00ae40..dee24b7 100644
--- a/releases/latest/api/java/io/gearpump/streaming/AckRequestSerializer.html
+++ b/releases/latest/api/java/io/gearpump/streaming/AckRequestSerializer.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:29 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:26 CST 2016 -->
 <title>AckRequestSerializer</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 </head>
 <body>
diff --git a/releases/latest/api/java/io/gearpump/streaming/AckSerializer.html b/releases/latest/api/java/io/gearpump/streaming/AckSerializer.html
index 931a019..28b1c3b 100644
--- a/releases/latest/api/java/io/gearpump/streaming/AckSerializer.html
+++ b/releases/latest/api/java/io/gearpump/streaming/AckSerializer.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:29 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:26 CST 2016 -->
 <title>AckSerializer</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 </head>
 <body>
diff --git a/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor$.html b/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor$.html
index fe1e8e3..f3cf57e 100644
--- a/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor$.html
+++ b/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor$.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:29 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:27 CST 2016 -->
 <title>AppMasterToExecutor$</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 </head>
 <body>
diff --git a/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTask$.html b/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTask$.html
index f53e9a1..619ca5d 100644
--- a/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTask$.html
+++ b/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTask$.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:29 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:26 CST 2016 -->
 <title>AppMasterToExecutor.ChangeTask$</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 </head>
 <body>
diff --git a/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTask.html b/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTask.html
index c35d913..528f166 100644
--- a/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTask.html
+++ b/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTask.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:29 CST 2016 -->
+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:26 CST 2016 -->
 <title>AppMasterToExecutor.ChangeTask</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 </head>
 <body>
diff --git a/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTasks$.html b/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTasks$.html
index 07b777d..6683ed2 100644
--- a/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTasks$.html
+++ b/releases/latest/api/java/io/gearpump/streaming/AppMasterToExecutor.ChangeTasks$.html
@@ -2,9 +2,9 @@
 <!-- NewPage -->
 <html lang="en">
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 <pre>public class <strong>DagManager</strong>
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diff --git a/releases/latest/api/java/io/gearpump/transport/netty/MessageDecoder.html b/releases/latest/api/java/io/gearpump/transport/netty/MessageDecoder.html
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 <title>MessageDecoder</title>
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+<meta name="date" content="2016-01-13">
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diff --git a/releases/latest/api/java/io/gearpump/transport/netty/MessageEncoder.html b/releases/latest/api/java/io/gearpump/transport/netty/MessageEncoder.html
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+<!-- Generated by javadoc (version 1.6.0_36) on Wed Jan 13 23:44:28 CST 2016 -->
 <title>MessageEncoder</title>
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+<meta name="date" content="2016-01-13">
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diff --git a/releases/latest/api/java/io/gearpump/transport/netty/NettyRenameThreadFactory.html b/releases/latest/api/java/io/gearpump/transport/netty/NettyRenameThreadFactory.html
index 1d7d903..780d0be 100644
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 <title>NettyRenameThreadFactory</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
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diff --git a/releases/latest/api/java/io/gearpump/transport/netty/TaskMessage.html b/releases/latest/api/java/io/gearpump/transport/netty/TaskMessage.html
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 <title>TaskMessage</title>
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diff --git a/releases/latest/api/java/io/gearpump/transport/netty/WrappedChannelBuffer.html b/releases/latest/api/java/io/gearpump/transport/netty/WrappedChannelBuffer.html
index a0af526..0ba21b8 100644
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-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:31 CST 2016 -->
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 <title>WrappedChannelBuffer</title>
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diff --git a/releases/latest/api/java/io/gearpump/transport/netty/package-frame.html b/releases/latest/api/java/io/gearpump/transport/netty/package-frame.html
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 <title>io.gearpump.transport.netty</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
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diff --git a/releases/latest/api/java/io/gearpump/transport/netty/package-summary.html b/releases/latest/api/java/io/gearpump/transport/netty/package-summary.html
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-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:31 CST 2016 -->
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 <title>io.gearpump.transport.netty</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
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 <body>
diff --git a/releases/latest/api/java/io/gearpump/transport/netty/package-tree.html b/releases/latest/api/java/io/gearpump/transport/netty/package-tree.html
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-<!-- Generated by javadoc (version 1.6.0_36) on Mon Jan 04 20:30:31 CST 2016 -->
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 <title>io.gearpump.transport.netty Class Hierarchy</title>
-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
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diff --git a/releases/latest/api/java/io/gearpump/util/HadoopFSLogAppender.html b/releases/latest/api/java/io/gearpump/util/HadoopFSLogAppender.html
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diff --git a/releases/latest/api/java/io/gearpump/util/RecreateRollingFileAppender.html b/releases/latest/api/java/io/gearpump/util/RecreateRollingFileAppender.html
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 <title>RecreateRollingFileAppender</title>
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+<meta name="date" content="2016-01-13">
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 <title>io.gearpump.util Class Hierarchy</title>
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 <title>Class Hierarchy</title>
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@@ -267,7 +267,8 @@
 <li type="circle">io.gearpump.streaming.<a href="io/gearpump/streaming/Constants$.html" title="class in io.gearpump.streaming"><span class="strong">Constants$</span></a></li>
 <li type="circle">io.gearpump.streaming.<a href="io/gearpump/streaming/DAG.html" title="class in io.gearpump.streaming"><span class="strong">DAG</span></a> (implements scala.Product, scala.Serializable)</li>
 <li type="circle">io.gearpump.streaming.<a href="io/gearpump/streaming/DAG$.html" title="class in io.gearpump.streaming"><span class="strong">DAG$</span></a> (implements scala.Serializable)</li>
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+<li type="circle">io.gearpump.streaming.appmaster.<a href="io/gearpump/streaming/appmaster/DagManager.html" title="class in io.gearpump.streaming.appmaster"><span class="strong">DagManager</span></a> (implements akka.actor.Actor, akka.actor.Stash)</li>
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 <li type="circle">io.gearpump.streaming.appmaster.<a href="io/gearpump/streaming/appmaster/DagManager.DAGOperationSuccess$.html" title="class in io.gearpump.streaming.appmaster"><span class="strong">DagManager.DAGOperationSuccess$</span></a> (implements io.gearpump.streaming.appmaster.<a href="io/gearpump/streaming/appmaster/DagManager.DAGOperationResult.html" title="interface in io.gearpump.streaming.appmaster">DagManager.DAGOperationResult</a>, scala.Product, scala.Serializable)</li>
 <li type="circle">io.gearpump.streaming.appmaster.<a href="io/gearpump/streaming/appmaster/DagManager.GetLatestDAG$.html" title="class in io.gearpump.streaming.appmaster"><span class="strong">DagManager.GetLatestDAG$</span></a> (implements scala.Product, scala.Serializable)</li>
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-<meta name="date" content="2016-01-04">
+<meta name="date" content="2016-01-13">
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 </li>
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index d94f783..f6c5e57 100644
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@@ -81,7 +81,7 @@
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+            <ol class="templates"><li title="io.gearpump.external.hbase.HBaseSink"><a class="tplshow" href="io/gearpump/external/hbase/HBaseSink$.html" target="template"><span class="object">(object)</span></a><a class="tplshow" href="io/gearpump/external/hbase/HBaseSink.html" target="template"><span class="class">(class)</span><span class="tplLink">HBaseSink</span></a></li></ol>
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diff --git a/releases/latest/api/scala/index.js b/releases/latest/api/scala/index.js
index 4d218eb..23ee997 100644
--- a/releases/latest/api/scala/index.js
+++ b/releases/latest/api/scala/index.js
@@ -1 +1 @@
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+        <span class="name">HBaseSink</span><span class="params">(<span name="userconfig">userconfig: <a href="../../cluster/UserConfig.html" class="extype" name="io.gearpump.cluster.UserConfig">UserConfig</a></span>, <span name="tableName">tableName: <span class="extype" name="scala.Predef.String">String</span></span>, <span name="configuration">configuration: <span class="extype" name="org.apache.hadoop.conf.Configuration">Configuration</span></span>)</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../index.html#io.gearpump.external.hbase.HBaseSink@&lt;init&gt;(userconfig:io.gearpump.cluster.UserConfig,tableName:String,configuration:org.apache.hadoop.conf.Configuration):io.gearpump.external.hbase.HBaseSink" title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" />
+      </a>
+    </span>
+      
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@@ -235,7 +252,7 @@
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-        <span class="kind">lazy val</span>
+        <span class="kind">var</span>
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diff --git a/releases/latest/api/scala/io/gearpump/external/hbase/dsl/HBaseDSLSink.html b/releases/latest/api/scala/io/gearpump/external/hbase/dsl/HBaseDSLSink.html
index 46ed23f..d257190 100644
--- a/releases/latest/api/scala/io/gearpump/external/hbase/dsl/HBaseDSLSink.html
+++ b/releases/latest/api/scala/io/gearpump/external/hbase/dsl/HBaseDSLSink.html
@@ -471,6 +471,23 @@
               
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     </li><li name="io.gearpump.external.hbase.dsl.HBaseDSLSink#writeToHbase" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
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+      <a id="writeToHbase(UserConfig,Configuration,String,Int,String):Stream[T]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">writeToHbase</span><span class="params">(<span name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" class="extype" name="io.gearpump.cluster.UserConfig">UserConfig</a></span>, <span name="configuration">configuration: <span class="extype" name="org.apache.hadoop.conf.Configuration">Configuration</span></span>, <span name="table">table: <span class="extype" name="scala.Predef.String">String</span></span>, <span name="parallism">parallism: <span class="extype" name="scala.Int">Int</span></span>, <span name="description">description: <span class="extype" name="scala.Predef.String">String</span></span>)</span><span class="result">: <a href="../../../streaming/dsl/Stream.html" class="extype" name="io.gearpump.streaming.dsl.Stream">Stream</a>[<span class="extype" name="io.gearpump.external.hbase.dsl.HBaseDSLSink.T">T</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../index.html#io.gearpump.external.hbase.dsl.HBaseDSLSink@writeToHbase(userConfig:io.gearpump.cluster.UserConfig,configuration:org.apache.hadoop.conf.Configuration,table:String,parallism:Int,description:String):io.gearpump.streaming.dsl.Stream[T]" title="Permalink" target="_top">
+        <img src="../../../../../lib/permalink.png" />
+      </a>
+    </span>
+      
+    </li><li name="io.gearpump.external.hbase.dsl.HBaseDSLSink#writeToHbase" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
       <a id="writeToHbase(userConfig:io.gearpump.cluster.UserConfig,table:String,parallism:Int,description:String):io.gearpump.streaming.dsl.Stream[T]"></a>
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diff --git a/releases/latest/api/scala/io/gearpump/external/hbase/package.html b/releases/latest/api/scala/io/gearpump/external/hbase/package.html
index 7eedf4f..5e693de 100644
--- a/releases/latest/api/scala/io/gearpump/external/hbase/package.html
+++ b/releases/latest/api/scala/io/gearpump/external/hbase/package.html
@@ -90,24 +90,7 @@
 
         <div id="values" class="values members">
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-              <ol><li name="io.gearpump.external.hbase.HBaseSecurityUtil" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
-      <a id="HBaseSecurityUtil"></a>
-      <a id="HBaseSecurityUtil:HBaseSecurityUtil"></a>
-      <h4 class="signature">
-      <span class="modifier_kind">
-        <span class="modifier"></span>
-        <span class="kind">object</span>
-      </span>
-      <span class="symbol">
-        <a href="HBaseSecurityUtil$.html"><span class="name">HBaseSecurityUtil</span></a>
-      </span>
-      </h4><span class="permalink">
-      <a href="../../../../index.html#io.gearpump.external.hbase.package@HBaseSecurityUtil" title="Permalink" target="_top">
-        <img src="../../../../lib/permalink.png" />
-      </a>
-    </span>
-      
-    </li><li name="io.gearpump.external.hbase.HBaseSink" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+              <ol><li name="io.gearpump.external.hbase.HBaseSink" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
       <a id="HBaseSink"></a>
       <a id="HBaseSink:HBaseSink"></a>
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diff --git a/releases/latest/api/scala/io/gearpump/package.html b/releases/latest/api/scala/io/gearpump/package.html
index 7aeddff..0650bf3 100644
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+++ b/releases/latest/api/scala/io/gearpump/package.html
@@ -251,6 +251,23 @@
       </a>
     </span>
       
+    </li><li name="io.gearpump.security" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="security"></a>
+      <a id="security:security"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">package</span>
+      </span>
+      <span class="symbol">
+        <a href="security/package.html"><span class="name">security</span></a>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../index.html#io.gearpump.package@security" title="Permalink" target="_top">
+        <img src="../../lib/permalink.png" />
+      </a>
+    </span>
+      
     </li><li name="io.gearpump.serializer" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
       <a id="serializer"></a>
       <a id="serializer:serializer"></a>
diff --git a/releases/latest/api/scala/io/gearpump/streaming/appmaster/DagManager$.html b/releases/latest/api/scala/io/gearpump/streaming/appmaster/DagManager$.html
index 4b9ec16..d7e06c3 100644
--- a/releases/latest/api/scala/io/gearpump/streaming/appmaster/DagManager$.html
+++ b/releases/latest/api/scala/io/gearpump/streaming/appmaster/DagManager$.html
@@ -321,6 +321,23 @@
       </a>
     </span>
       
+    </li><li name="io.gearpump.streaming.appmaster.DagManager.DagInitiated" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="DagInitiated"></a>
+      <a id="DagInitiated:DagInitiated"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">object</span>
+      </span>
+      <span class="symbol">
+        <a href="DagManager$$DagInitiated$.html"><span class="name">DagInitiated</span></a><span class="result"> extends <span class="extype" name="scala.Product">Product</span> with <span class="extype" name="scala.Serializable">Serializable</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../index.html#io.gearpump.streaming.appmaster.DagManager$@DagInitiated" title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" />
+      </a>
+    </span>
+      
     </li><li name="io.gearpump.streaming.appmaster.DagManager.GetLatestDAG" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
       <a id="GetLatestDAG"></a>
       <a id="GetLatestDAG:GetLatestDAG"></a>
diff --git a/releases/latest/api/scala/io/gearpump/streaming/appmaster/DagManager.html b/releases/latest/api/scala/io/gearpump/streaming/appmaster/DagManager.html
index deb6fa0..530942e 100644
--- a/releases/latest/api/scala/io/gearpump/streaming/appmaster/DagManager.html
+++ b/releases/latest/api/scala/io/gearpump/streaming/appmaster/DagManager.html
@@ -47,14 +47,14 @@
         <span class="kind">class</span>
       </span>
       <span class="symbol">
-        <span class="name">DagManager</span><span class="result"> extends <span class="extype" name="akka.actor.Actor">Actor</span></span>
+        <span class="name">DagManager</span><span class="result"> extends <span class="extype" name="akka.actor.Actor">Actor</span> with <span class="extype" name="akka.actor.Stash">Stash</span></span>
       </span>
       </h4>
       
           <div id="comment" class="fullcommenttop"><div class="comment cmt"><p>Will handle dag modification and other stuff related with DAG
 </p></div><div class="toggleContainer block">
           <span class="toggle">Linear Supertypes</span>
-          <div class="superTypes hiddenContent"><span class="extype" name="akka.actor.Actor">Actor</span>, <span class="extype" name="scala.AnyRef">AnyRef</span>, <span class="extype" name="scala.Any">Any</span></div>
+          <div class="superTypes hiddenContent"><span class="extype" name="akka.actor.Stash">Stash</span>, <span class="extype" name="akka.dispatch.RequiresMessageQueue">RequiresMessageQueue</span>[<span class="extype" name="akka.dispatch.DequeBasedMessageQueueSemantics">DequeBasedMessageQueueSemantics</span>], <span class="extype" name="akka.actor.UnrestrictedStash">UnrestrictedStash</span>, <span class="extype" name="akka.actor.StashSupport">StashSupport</span>, <span class="extype" name="akka.actor.Actor">Actor</span>, <span class="extype" name="scala.AnyRef">AnyRef</span>, <span class="extype" name="scala.Any">Any</span></div>
         </div></div>
         
 
@@ -72,7 +72,7 @@
                 <span class="filtertype">Inherited<br />
                 </span>
                 <ol id="linearization">
-                  <li class="in" name="io.gearpump.streaming.appmaster.DagManager"><span>DagManager</span></li><li class="in" name="akka.actor.Actor"><span>Actor</span></li><li class="in" name="scala.AnyRef"><span>AnyRef</span></li><li class="in" name="scala.Any"><span>Any</span></li>
+                  <li class="in" name="io.gearpump.streaming.appmaster.DagManager"><span>DagManager</span></li><li class="in" name="akka.actor.Stash"><span>Stash</span></li><li class="in" name="akka.dispatch.RequiresMessageQueue"><span>RequiresMessageQueue</span></li><li class="in" name="akka.actor.UnrestrictedStash"><span>UnrestrictedStash</span></li><li class="in" name="akka.actor.StashSupport"><span>StashSupport</span></li><li class="in" name="akka.actor.Actor"><span>Actor</span></li><li class="in" name="scala.AnyRef"><span>AnyRef</span></li><li class="in" name="scala.Any"><span>Any</span></li>
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               </div><div id="ancestors">
             <span class="filtertype"></span>
@@ -93,7 +93,7 @@
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               <h3>Instance Constructors</h3>
               <ol><li name="io.gearpump.streaming.appmaster.DagManager#&lt;init&gt;" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
-      <a id="&lt;init&gt;(appId:Int,userConfig:io.gearpump.cluster.UserConfig):io.gearpump.streaming.appmaster.DagManager"></a>
+      <a id="&lt;init&gt;(appId:Int,userConfig:io.gearpump.cluster.UserConfig,store:io.gearpump.streaming.storage.AppDataStore,dag:Option[io.gearpump.streaming.DAG]):io.gearpump.streaming.appmaster.DagManager"></a>
       <a id="&lt;init&gt;:DagManager"></a>
       <h4 class="signature">
       <span class="modifier_kind">
@@ -101,27 +101,10 @@
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-        <span class="name">DagManager</span><span class="params">(<span name="appId">appId: <span class="extype" name="scala.Int">Int</span></span>, <span name="userConfig">userConfig: <a href="../../cluster/UserConfig.html" class="extype" name="io.gearpump.cluster.UserConfig">UserConfig</a></span>)</span>
+        <span class="name">DagManager</span><span class="params">(<span name="appId">appId: <span class="extype" name="scala.Int">Int</span></span>, <span name="userConfig">userConfig: <a href="../../cluster/UserConfig.html" class="extype" name="io.gearpump.cluster.UserConfig">UserConfig</a></span>, <span name="store">store: <a href="../storage/AppDataStore.html" class="extype" name="io.gearpump.streaming.storage.AppDataStore">AppDataStore</a></span>, <span name="dag">dag: <span class="extype" name="scala.Option">Option</span>[<a href="../DAG.html" class="extype" name="io.gearpump.streaming.DAG">DAG</a>]</span>)</span>
       </span>
       </h4><span class="permalink">
-      <a href="../../../../index.html#io.gearpump.streaming.appmaster.DagManager@&lt;init&gt;(appId:Int,userConfig:io.gearpump.cluster.UserConfig):io.gearpump.streaming.appmaster.DagManager" title="Permalink" target="_top">
-        <img src="../../../../lib/permalink.png" />
-      </a>
-    </span>
-      
-    </li><li name="io.gearpump.streaming.appmaster.DagManager#&lt;init&gt;" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
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-      <h4 class="signature">
-      <span class="modifier_kind">
-        <span class="modifier"></span>
-        <span class="kind">new</span>
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-      <span class="symbol">
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-      </span>
-      </h4><span class="permalink">
-      <a href="../../../../index.html#io.gearpump.streaming.appmaster.DagManager@&lt;init&gt;(appId:Int,userConfig:io.gearpump.cluster.UserConfig,dag:Option[io.gearpump.streaming.DAG]):io.gearpump.streaming.appmaster.DagManager" title="Permalink" target="_top">
+      <a href="../../../../index.html#io.gearpump.streaming.appmaster.DagManager@&lt;init&gt;(appId:Int,userConfig:io.gearpump.cluster.UserConfig,store:io.gearpump.streaming.storage.AppDataStore,dag:Option[io.gearpump.streaming.DAG]):io.gearpump.streaming.appmaster.DagManager" title="Permalink" target="_top">
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@@ -348,19 +331,19 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Actor</dd></dl></div>
-    </li><li name="io.gearpump.streaming.appmaster.DagManager#dags" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
-      <a id="dags:List[io.gearpump.streaming.DAG]"></a>
-      <a id="dags:List[DAG]"></a>
+    </li><li name="io.gearpump.streaming.appmaster.DagManager#dagService" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="dagService:DagManager.this.Receive"></a>
+      <a id="dagService:Receive"></a>
       <h4 class="signature">
       <span class="modifier_kind">
         <span class="modifier"></span>
-        <span class="kind">var</span>
+        <span class="kind">def</span>
       </span>
       <span class="symbol">
-        <span class="name">dags</span><span class="result">: <span class="extype" name="scala.collection.immutable.List">List</span>[<a href="../DAG.html" class="extype" name="io.gearpump.streaming.DAG">DAG</a>]</span>
+        <span class="name">dagService</span><span class="result">: <a href="#Receive=akka.actor.Actor.Receive" class="extmbr" name="io.gearpump.streaming.appmaster.DagManager.Receive">Receive</a></span>
       </span>
       </h4><span class="permalink">
-      <a href="../../../../index.html#io.gearpump.streaming.appmaster.DagManager@dags:List[io.gearpump.streaming.DAG]" title="Permalink" target="_top">
+      <a href="../../../../index.html#io.gearpump.streaming.appmaster.DagManager@dagService:DagManager.this.Receive" title="Permalink" target="_top">
         <img src="../../../../lib/permalink.png" />
       </a>
     </span>
@@ -547,7 +530,7 @@
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         </dd></dl></div>
-    </li><li name="akka.actor.Actor#postStop" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+    </li><li name="akka.actor.UnrestrictedStash#postStop" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
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       <a id="postStop():Unit"></a>
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@@ -563,14 +546,8 @@
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-      
-      <span class="symbol">classOf[java.lang.Exception]</span>
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-              
-        </dd></dl></div>
-    </li><li name="akka.actor.Actor#preRestart" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>UnrestrictedStash → Actor</dd></dl></div>
+    </li><li name="akka.actor.UnrestrictedStash#preRestart" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
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@@ -586,14 +563,8 @@
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-      
-      <span class="symbol">classOf[java.lang.Exception]</span>
-    </span>)</span>
-              
-        </dd></dl></div>
-    </li><li name="akka.actor.Actor#preStart" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>UnrestrictedStash → Actor</dd></dl></div>
+    </li><li name="io.gearpump.streaming.appmaster.DagManager#preStart" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
       <a id="preStart():Unit"></a>
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       <h4 class="signature">
@@ -609,13 +580,7 @@
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-      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Actor</dd><dt>Annotations</dt><dd>
-                <span class="name">@throws</span><span class="args">(<span>
-      
-      <span class="symbol">classOf[java.lang.Exception]</span>
-    </span>)</span>
-              
-        </dd></dl></div>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="io.gearpump.streaming.appmaster.DagManager">DagManager</a> → Actor</dd></dl></div>
     </li><li name="io.gearpump.streaming.appmaster.DagManager#receive" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
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       <a id="receive:Receive"></a>
@@ -667,6 +632,23 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Actor</dd></dl></div>
+    </li><li name="akka.actor.StashSupport#stash" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="stash():Unit"></a>
+      <a id="stash():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">stash</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../index.html#io.gearpump.streaming.appmaster.DagManager@stash():Unit" title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>StashSupport</dd></dl></div>
     </li><li name="akka.actor.Actor#supervisorStrategy" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
       <a id="supervisorStrategy:akka.actor.SupervisorStrategy"></a>
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@@ -752,6 +734,23 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Actor</dd></dl></div>
+    </li><li name="akka.actor.StashSupport#unstashAll" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="unstashAll():Unit"></a>
+      <a id="unstashAll():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">unstashAll</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../index.html#io.gearpump.streaming.appmaster.DagManager@unstashAll():Unit" title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>StashSupport</dd></dl></div>
     </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
       <a id="wait():Unit"></a>
       <a id="wait():Unit"></a>
@@ -821,6 +820,23 @@
     </span>)</span>
               
         </dd></dl></div>
+    </li><li name="io.gearpump.streaming.appmaster.DagManager#waitForDagInitiate" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="waitForDagInitiate:DagManager.this.Receive"></a>
+      <a id="waitForDagInitiate:Receive"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">waitForDagInitiate</span><span class="result">: <a href="#Receive=akka.actor.Actor.Receive" class="extmbr" name="io.gearpump.streaming.appmaster.DagManager.Receive">Receive</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../index.html#io.gearpump.streaming.appmaster.DagManager@waitForDagInitiate:DagManager.this.Receive" title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" />
+      </a>
+    </span>
+      
     </li></ol>
             </div>
 
@@ -830,7 +846,15 @@
         </div>
 
         <div id="inheritedMembers">
-        <div class="parent" name="akka.actor.Actor">
+        <div class="parent" name="akka.actor.Stash">
+              <h3>Inherited from <span class="extype" name="akka.actor.Stash">Stash</span></h3>
+            </div><div class="parent" name="akka.dispatch.RequiresMessageQueue">
+              <h3>Inherited from <span class="extype" name="akka.dispatch.RequiresMessageQueue">RequiresMessageQueue</span>[<span class="extype" name="akka.dispatch.DequeBasedMessageQueueSemantics">DequeBasedMessageQueueSemantics</span>]</h3>
+            </div><div class="parent" name="akka.actor.UnrestrictedStash">
+              <h3>Inherited from <span class="extype" name="akka.actor.UnrestrictedStash">UnrestrictedStash</span></h3>
+            </div><div class="parent" name="akka.actor.StashSupport">
+              <h3>Inherited from <span class="extype" name="akka.actor.StashSupport">StashSupport</span></h3>
+            </div><div class="parent" name="akka.actor.Actor">
               <h3>Inherited from <span class="extype" name="akka.actor.Actor">Actor</span></h3>
             </div><div class="parent" name="scala.AnyRef">
               <h3>Inherited from <span class="extype" name="scala.AnyRef">AnyRef</span></h3>
diff --git a/releases/latest/api/scala/io/gearpump/streaming/appmaster/package.html b/releases/latest/api/scala/io/gearpump/streaming/appmaster/package.html
index a44f6d9..e5fa2cc 100644
--- a/releases/latest/api/scala/io/gearpump/streaming/appmaster/package.html
+++ b/releases/latest/api/scala/io/gearpump/streaming/appmaster/package.html
@@ -106,7 +106,7 @@
       <p class="shortcomment cmt">The clockService will maintain a global view of message timestamp in the application
 </p>
     </li><li name="io.gearpump.streaming.appmaster.DagManager" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
-      <a id="DagManagerextendsActor"></a>
+      <a id="DagManagerextendsActorwithStash"></a>
       <a id="DagManager:DagManager"></a>
       <h4 class="signature">
       <span class="modifier_kind">
@@ -114,10 +114,10 @@
         <span class="kind">class</span>
       </span>
       <span class="symbol">
-        <a href="DagManager.html"><span class="name">DagManager</span></a><span class="result"> extends <span class="extype" name="akka.actor.Actor">Actor</span></span>
+        <a href="DagManager.html"><span class="name">DagManager</span></a><span class="result"> extends <span class="extype" name="akka.actor.Actor">Actor</span> with <span class="extype" name="akka.actor.Stash">Stash</span></span>
       </span>
       </h4><span class="permalink">
-      <a href="../../../../index.html#io.gearpump.streaming.appmaster.package@DagManagerextendsActor" title="Permalink" target="_top">
+      <a href="../../../../index.html#io.gearpump.streaming.appmaster.package@DagManagerextendsActorwithStash" title="Permalink" target="_top">
         <img src="../../../../lib/permalink.png" />
       </a>
     </span>
diff --git a/releases/latest/api/scala/io/gearpump/util/Constants$.html b/releases/latest/api/scala/io/gearpump/util/Constants$.html
index 9c8a2a2..84753aa 100644
--- a/releases/latest/api/scala/io/gearpump/util/Constants$.html
+++ b/releases/latest/api/scala/io/gearpump/util/Constants$.html
@@ -979,6 +979,40 @@
       </a>
     </span>
       
+    </li><li name="io.gearpump.util.Constants#GEARPUMP_UI_AUTHENTICATOR_CLASS" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="GEARPUMP_UI_AUTHENTICATOR_CLASS:String"></a>
+      <a id="GEARPUMP_UI_AUTHENTICATOR_CLASS:String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">GEARPUMP_UI_AUTHENTICATOR_CLASS</span><span class="result">: <span class="extype" name="java.lang.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../index.html#io.gearpump.util.Constants$@GEARPUMP_UI_AUTHENTICATOR_CLASS:String" title="Permalink" target="_top">
+        <img src="../../../lib/permalink.png" />
+      </a>
+    </span>
+      
+    </li><li name="io.gearpump.util.Constants#GEARPUMP_UI_SECURITY_ENABLED" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="GEARPUMP_UI_SECURITY_ENABLED:String"></a>
+      <a id="GEARPUMP_UI_SECURITY_ENABLED:String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">GEARPUMP_UI_SECURITY_ENABLED</span><span class="result">: <span class="extype" name="java.lang.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../index.html#io.gearpump.util.Constants$@GEARPUMP_UI_SECURITY_ENABLED:String" title="Permalink" target="_top">
+        <img src="../../../lib/permalink.png" />
+      </a>
+    </span>
+      
     </li><li name="io.gearpump.util.Constants#GEARPUMP_USERNAME" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
       <a id="GEARPUMP_USERNAME:String"></a>
       <a id="GEARPUMP_USERNAME:String"></a>
diff --git a/releases/latest/api/scala/io/gearpump/util/ReferenceEqual.html b/releases/latest/api/scala/io/gearpump/util/ReferenceEqual.html
index ebb3dea..345b407 100644
--- a/releases/latest/api/scala/io/gearpump/util/ReferenceEqual.html
+++ b/releases/latest/api/scala/io/gearpump/util/ReferenceEqual.html
@@ -55,7 +55,7 @@
           <div class="superTypes hiddenContent"><span class="extype" name="scala.AnyRef">AnyRef</span>, <span class="extype" name="scala.Any">Any</span></div>
         </div><div class="toggleContainer block">
             <span class="toggle">Known Subclasses</span>
-            <div class="subClasses hiddenContent"><a href="../streaming/Processor$$DefaultProcessor.html" class="extype" name="io.gearpump.streaming.Processor.DefaultProcessor">DefaultProcessor</a>, <a href="../streaming/Processor.html" class="extype" name="io.gearpump.streaming.Processor">Processor</a>, <a href="../streaming/javaapi/Processor.html" class="extype" name="io.gearpump.streaming.javaapi.Processor">Processor</a>, <a href="../streaming/ProcessorDescription.html" class="extype" name="io.gearpump.streaming.ProcessorDescription">ProcessorDescription</a></div>
+            <div class="subClasses hiddenContent"><a href="../streaming/Processor$$DefaultProcessor.html" class="extype" name="io.gearpump.streaming.Processor.DefaultProcessor">DefaultProcessor</a>, <a href="../streaming/javaapi/Processor.html" class="extype" name="io.gearpump.streaming.javaapi.Processor">Processor</a>, <a href="../streaming/Processor.html" class="extype" name="io.gearpump.streaming.Processor">Processor</a>, <a href="../streaming/ProcessorDescription.html" class="extype" name="io.gearpump.streaming.ProcessorDescription">ProcessorDescription</a></div>
           </div></div>
         
 
diff --git a/releases/latest/basic-concepts.html b/releases/latest/basic-concepts.html
index f5e5644..303ca80 100644
--- a/releases/latest/basic-concepts.html
+++ b/releases/latest/basic-concepts.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Basic Concepts - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Basic Concepts - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Gearpump Basic Concepts">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/coding-style.html b/releases/latest/coding-style.html
index e7fd5e4..b32538c 100644
--- a/releases/latest/coding-style.html
+++ b/releases/latest/coding-style.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Coding Style - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Coding Style - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/commandline.html b/releases/latest/commandline.html
index 04fe7be..36daaac 100644
--- a/releases/latest/commandline.html
+++ b/releases/latest/commandline.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Client Commandline - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Client Commandline - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Gearpump Client Commandline">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -143,8 +150,8 @@
 <h3 id="start-gearpump-cluster-on-yarn">Start Gearpump Cluster on YARN</h3>
 <p>To start a Gearpump Cluster on YARN, you can:</p>
 
-<div class="highlight"><pre><code class="language-bash">yarnclient launch -package /usr/lib/gearpump/gearpump-2.11-0.7.3.zip</code></pre></div>
-<p>/usr/lib/gearpump/gearpump-2.11-0.7.3.zip should be available on HDFS.</p>
+<div class="highlight"><pre><code class="language-bash">yarnclient launch -package /usr/lib/gearpump/gearpump-2.11-0.7.4.zip</code></pre></div>
+<p>/usr/lib/gearpump/gearpump-2.11-0.7.4.zip should be available on HDFS.</p>
 
 <p>Please check <a href="deployment-yarn.html">YARN Deployment Guide</a> for more information.</p>
 
diff --git a/releases/latest/deployment-configuration.html b/releases/latest/deployment-configuration.html
index 852d8bf..5eb55b9 100644
--- a/releases/latest/deployment-configuration.html
+++ b/releases/latest/deployment-configuration.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Configuration - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Configuration - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Gearpump Configuration">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/deployment-docker.html b/releases/latest/deployment-docker.html
index 5b93bd4..aec28ef 100644
--- a/releases/latest/deployment-docker.html
+++ b/releases/latest/deployment-docker.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Deployment with Docker - Gearpump 0.7.3 Documentation</title>
+  <title>Deployment with Docker - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/deployment-ha.html b/releases/latest/deployment-ha.html
index 3d31379..d7e982d 100644
--- a/releases/latest/deployment-ha.html
+++ b/releases/latest/deployment-ha.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump High Availability Guide - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump High Availability Guide - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/deployment-local.html b/releases/latest/deployment-local.html
index 0a9abd1..b75a727 100644
--- a/releases/latest/deployment-local.html
+++ b/releases/latest/deployment-local.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Deploy Local Mode - Gearpump 0.7.3 Documentation</title>
+  <title>Deploy Local Mode - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Deploy Gearpump in Local Mode">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/deployment-msg-delivery.html b/releases/latest/deployment-msg-delivery.html
index 7cc8141..6354831 100644
--- a/releases/latest/deployment-msg-delivery.html
+++ b/releases/latest/deployment-msg-delivery.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Deployment for Reliable Message Delivery - Gearpump 0.7.3 Documentation</title>
+  <title>Deployment for Reliable Message Delivery - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/deployment-security.html b/releases/latest/deployment-security.html
index 974ebc7..feaa492 100644
--- a/releases/latest/deployment-security.html
+++ b/releases/latest/deployment-security.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Security Guide - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Security Guide - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Gearpump Security Guide">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -133,7 +140,7 @@
 
     <p>Remember that user <code>gear</code> must exist on every node of Yarn.</p>
   </li>
-  <li>Upload the <code>gearpump-2.11-0.7.3.zip</code> to remote HDFS Folder, suggest to put it under <code>/usr/lib/gearpump/gearpump-2.11-0.7.3.zip</code></li>
+  <li>Upload the <code>gearpump-2.11-0.7.4.zip</code> to remote HDFS Folder, suggest to put it under <code>/usr/lib/gearpump/gearpump-2.11-0.7.4.zip</code></li>
   <li>
     <p>Create HDFS folder /user/gear/, make sure all read-write rights are granted for user <code>gear</code></p>
 
@@ -152,7 +159,7 @@
 
     <p>Here you can login with keytab or password. Please refer Kerberos&#8217;s document for details.</p>
 
-    <div class="highlight"><pre><code class="language-bash">yarnclient launch -package /usr/lib/gearpump/gearpump-2.11-0.7.3.zip</code></pre></div>
+    <div class="highlight"><pre><code class="language-bash">yarnclient launch -package /usr/lib/gearpump/gearpump-2.11-0.7.4.zip</code></pre></div>
   </li>
 </ol>
 
diff --git a/releases/latest/deployment-standalone.html b/releases/latest/deployment-standalone.html
index eb1bc0f..028891e 100644
--- a/releases/latest/deployment-standalone.html
+++ b/releases/latest/deployment-standalone.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Deploy Standalone Mode - Gearpump 0.7.3 Documentation</title>
+  <title>Deploy Standalone Mode - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Deploy Gearpump in Standalone Mode">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/deployment-yarn.html b/releases/latest/deployment-yarn.html
index 4b8fd26..76b5c69 100644
--- a/releases/latest/deployment-yarn.html
+++ b/releases/latest/deployment-yarn.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Deployment with YARN - Gearpump 0.7.3 Documentation</title>
+  <title>Deployment with YARN - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -115,7 +122,7 @@
 
 <ol>
   <li>
-    <p>Upload the <code>gearpump-2.11-0.7.3.zip</code> to remote HDFS Folder, suggest to put it under <code>/usr/lib/gearpump/gearpump-2.11-0.7.3.zip</code></p>
+    <p>Upload the <code>gearpump-2.11-0.7.4.zip</code> to remote HDFS Folder, suggest to put it under <code>/usr/lib/gearpump/gearpump-2.11-0.7.4.zip</code></p>
   </li>
   <li>
     <p>Make sure the home directory on HDFS is already created and all read-write rights are granted for user. For example, user <code>gear</code>&#8217;s home directory is <code>/user/gear</code></p>
@@ -129,7 +136,7 @@
   <li>
     <p>Launch the gearpump cluster on YARN</p>
 
-    <div class="highlight"><pre><code> yarnclient launch -package /usr/lib/gearpump/gearpump-2.11-0.7.3.zip
+    <div class="highlight"><pre><code> yarnclient launch -package /usr/lib/gearpump/gearpump-2.11-0.7.4.zip
 </code></pre></div>
 
     <p>If you don&#8217;t specify package path, it will read default package-path (<code>gearpump.yarn.client.package-path</code>) from <code>gear.conf</code>.</p>
@@ -161,7 +168,7 @@
   <li>
     <p>Option 1: specify &#8220;-output&#8221; option when you launch the cluster.</p>
 
-    <div class="highlight"><pre><code> yarnclient launch -package /usr/lib/gearpump/gearpump-2.11-0.7.3.zip -output /tmp/mycluster.conf
+    <div class="highlight"><pre><code> yarnclient launch -package /usr/lib/gearpump/gearpump-2.11-0.7.4.zip -output /tmp/mycluster.conf
 </code></pre></div>
 
     <p>It will return in console like this:</p>
@@ -181,14 +188,14 @@
   <li>
     <p>After you downloaded the configuration file, you can launch application with that config file.</p>
 
-    <div class="highlight"><pre><code> gear app -jar examples/wordcount-2.11-0.7.3.jar -conf /tmp/mycluster.conf
+    <div class="highlight"><pre><code> gear app -jar examples/wordcount-2.11-0.7.4.jar -conf /tmp/mycluster.conf
 </code></pre></div>
   </li>
   <li>
     <p>To run Storm application over Gearpump on YARN, please store the configuration file with <code>-output application.conf</code> 
 and then launch Storm application with</p>
 
-    <div class="highlight"><pre><code> storm -jar examples/storm-2.11-0.7.3.jar storm.starter.ExclamationTopology exclamation
+    <div class="highlight"><pre><code> storm -jar examples/storm-2.11-0.7.4.jar storm.starter.ExclamationTopology exclamation
 </code></pre></div>
   </li>
   <li>
diff --git a/releases/latest/dev-connectors.html b/releases/latest/dev-connectors.html
index b017d0d..fa13c92 100644
--- a/releases/latest/dev-connectors.html
+++ b/releases/latest/dev-connectors.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Connectors - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Connectors - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -38,7 +38,7 @@
           <span class="icon-bar"></span>
         </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
       <div id="navbar" class="collapse navbar-collapse">
@@ -68,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -181,13 +182,13 @@
 <h3 id="use-of-kafkasource">Use of <code>KafkaSource</code></h3>
 <p>To use <code>kafkaSource</code> in your application, you first need to add the <code>gearpump-external-Kafka</code> library dependency in your application:</p>
 
-<div class="highlight"><pre><code>"com.github.intel-hadoop" %% "gearpump-external-kafka" % 0.7.3
+<div class="highlight"><pre><code>"com.github.intel-hadoop" %% "gearpump-external-kafka" % 0.7.4
 </code></pre></div>
 
 <div class="highlight"><pre><code class="language-xml"><span class="nt">&lt;dependency&gt;</span>
   <span class="nt">&lt;groupId&gt;</span>com.github.intel-hadoop<span class="nt">&lt;/groupId&gt;</span>
   <span class="nt">&lt;artifactId&gt;</span>gearpump-external-kafka<span class="nt">&lt;/artifactId&gt;</span>
-  <span class="nt">&lt;version&gt;</span>0.7.3<span class="nt">&lt;/version&gt;</span>
+  <span class="nt">&lt;version&gt;</span>0.7.4<span class="nt">&lt;/version&gt;</span>
 <span class="nt">&lt;/dependency&gt;</span></code></pre></div>
 
 <p>To connect to Kafka, you need to provide following info:
@@ -220,13 +221,13 @@
 
 <p>To use <code>HBaseSink</code> in your application, you first need to add the <code>gearpump-external-hbase</code> library dependency in your application:</p>
 
-<div class="highlight"><pre><code>"com.github.intel-hadoop" %% "gearpump-external-hbase" % 0.7.3
+<div class="highlight"><pre><code>"com.github.intel-hadoop" %% "gearpump-external-hbase" % 0.7.4
 </code></pre></div>
 
 <div class="highlight"><pre><code class="language-xml"><span class="nt">&lt;dependency&gt;</span>
   <span class="nt">&lt;groupId&gt;</span>com.github.intel-hadoop<span class="nt">&lt;/groupId&gt;</span>
   <span class="nt">&lt;artifactId&gt;</span>gearpump-external-hbase<span class="nt">&lt;/artifactId&gt;</span>
-  <span class="nt">&lt;version&gt;</span>0.7.3<span class="nt">&lt;/version&gt;</span>
+  <span class="nt">&lt;version&gt;</span>0.7.4<span class="nt">&lt;/version&gt;</span>
 <span class="nt">&lt;/dependency&gt;</span></code></pre></div>
 
 <p>To connect to HBase, you need to provide following info:
@@ -236,13 +237,13 @@
 <p>Then, you can use <code>HBaseSink</code> in your application:</p>
 
 <div class="highlight"><pre><code class="language-scala">   <span class="c1">//create the HBase data sink</span>
-   <span class="k">val</span> <span class="n">sink</span> <span class="k">=</span> <span class="nc">HBaseSink</span><span class="o">(</span><span class="n">tableName</span><span class="o">,</span> <span class="n">configuration</span><span class="o">)</span>
+   <span class="k">val</span> <span class="n">sink</span> <span class="k">=</span> <span class="nc">HBaseSink</span><span class="o">(</span><span class="nc">UserConfig</span><span class="o">.</span><span class="n">empty</span><span class="o">,</span> <span class="n">tableName</span><span class="o">,</span> <span class="k">new</span> <span class="nc">HBaseConfiguration</span><span class="o">)</span>
 
    <span class="c1">//create Gearpump Processor</span>
    <span class="k">val</span> <span class="n">sinkProcessor</span> <span class="k">=</span> <span class="nc">DataSinkProcessor</span><span class="o">(</span><span class="n">source</span><span class="o">,</span> <span class="n">parallelism</span><span class="o">)</span></code></pre></div>
 
 <div class="highlight"><pre><code class="language-scala">  <span class="c1">//assume stream is a normal `Stream` in DSL</span>
-  <span class="n">stream</span><span class="o">.</span><span class="n">writeToHbase</span><span class="o">(</span><span class="n">tableName</span><span class="o">,</span> <span class="n">parallelism</span><span class="o">,</span> <span class="s">&quot;write to HBase&quot;</span><span class="o">)</span></code></pre></div>
+  <span class="n">stream</span><span class="o">.</span><span class="n">writeToHbase</span><span class="o">(</span><span class="nc">UserConfig</span><span class="o">.</span><span class="n">empty</span><span class="o">,</span> <span class="n">tableName</span><span class="o">,</span> <span class="n">parallelism</span><span class="o">,</span> <span class="s">&quot;write to HBase&quot;</span><span class="o">)</span></code></pre></div>
 
 <p>You can tune the connection to HBase via the HBase configuration passed in. If not passed, Gearpump will try to check local classpath to find a valid HBase configuration (<code>hbase-site.xml</code>).</p>
 
@@ -293,16 +294,20 @@
 <p>To make DSL easy of use this customized stream, it is better that if you can implement your own DSL helper.
 You can refer <code>HBaseDSLSink</code> as an example in Gearpump source.</p>
 
-<p>Below is some code snippet from <code>KafkaDSLUtil</code>:</p>
+<p>Below is some code snippet from <code>HBaseDSLSink</code>:</p>
 
-<div class="highlight"><pre><code class="language-scala"><span class="k">class</span> <span class="nc">HBaseDSLSink</span><span class="o">[</span><span class="kt">T:</span> <span class="kt">ClassTag</span><span class="o">](</span><span class="n">stream</span><span class="k">:</span> <span class="kt">Stream</span><span class="o">[</span><span class="kt">T</span><span class="o">])</span> <span class="o">{</span>
-  <span class="k">def</span> <span class="n">writeToHbase</span><span class="o">(</span><span class="n">table</span><span class="k">:</span> <span class="kt">String</span><span class="o">,</span> <span class="n">parallism</span><span class="k">:</span> <span class="kt">Int</span><span class="o">,</span> <span class="n">description</span><span class="k">:</span> <span class="kt">String</span><span class="o">)</span><span class="k">:</span> <span class="kt">Stream</span><span class="o">[</span><span class="kt">T</span><span class="o">]</span> <span class="k">=</span> <span class="o">{</span>
-    <span class="n">stream</span><span class="o">.</span><span class="n">sink</span><span class="o">(</span><span class="nc">HBaseSink</span><span class="o">(</span><span class="n">table</span><span class="o">),</span> <span class="n">parallism</span><span class="o">,</span> <span class="n">description</span><span class="o">)</span>
+<div class="highlight"><pre><code class="language-scala"><span class="k">class</span> <span class="nc">HBaseDSLSink</span><span class="o">[</span><span class="kt">T</span><span class="o">](</span><span class="n">stream</span><span class="k">:</span> <span class="kt">Stream</span><span class="o">[</span><span class="kt">T</span><span class="o">])</span> <span class="o">{</span>
+  <span class="k">def</span> <span class="n">writeToHbase</span><span class="o">(</span><span class="n">userConfig</span><span class="k">:</span> <span class="kt">UserConfig</span><span class="o">,</span> <span class="n">table</span><span class="k">:</span> <span class="kt">String</span><span class="o">,</span> <span class="n">parallism</span><span class="k">:</span> <span class="kt">Int</span><span class="o">,</span> <span class="n">description</span><span class="k">:</span> <span class="kt">String</span><span class="o">)</span><span class="k">:</span> <span class="kt">Stream</span><span class="o">[</span><span class="kt">T</span><span class="o">]</span> <span class="k">=</span> <span class="o">{</span>
+    <span class="n">stream</span><span class="o">.</span><span class="n">sink</span><span class="o">(</span><span class="nc">HBaseSink</span><span class="o">[</span><span class="kt">T</span><span class="o">](</span><span class="n">userConfig</span><span class="o">,</span> <span class="n">table</span><span class="o">),</span> <span class="n">parallism</span><span class="o">,</span> <span class="n">userConfig</span><span class="o">,</span> <span class="n">description</span><span class="o">)</span>
   <span class="o">}</span>
+  
+  <span class="k">def</span> <span class="n">writeToHbase</span><span class="o">(</span><span class="n">userConfig</span><span class="k">:</span> <span class="kt">UserConfig</span><span class="o">,</span> <span class="n">configuration</span><span class="k">:</span> <span class="kt">Configuration</span><span class="o">,</span> <span class="n">table</span><span class="k">:</span> <span class="kt">String</span><span class="o">,</span> <span class="n">parallism</span><span class="k">:</span> <span class="kt">Int</span><span class="o">,</span> <span class="n">description</span><span class="k">:</span> <span class="kt">String</span><span class="o">)</span><span class="k">:</span> <span class="kt">Stream</span><span class="o">[</span><span class="kt">T</span><span class="o">]</span> <span class="k">=</span> <span class="o">{</span>
+    <span class="n">stream</span><span class="o">.</span><span class="n">sink</span><span class="o">(</span><span class="nc">HBaseSink</span><span class="o">[</span><span class="kt">T</span><span class="o">](</span><span class="n">userConfig</span><span class="o">,</span> <span class="n">table</span><span class="o">,</span> <span class="n">configuration</span><span class="o">),</span> <span class="n">parallism</span><span class="o">,</span> <span class="n">userConfig</span><span class="o">,</span> <span class="n">description</span><span class="o">)</span>
+  <span class="o">}</span>  
 <span class="o">}</span>
 
 <span class="k">object</span> <span class="nc">HBaseDSLSink</span> <span class="o">{</span>
-  <span class="k">implicit</span> <span class="k">def</span> <span class="n">streamToHBaseDSLSink</span><span class="o">[</span><span class="kt">T:</span> <span class="kt">ClassTag</span><span class="o">](</span><span class="n">stream</span><span class="k">:</span> <span class="kt">Stream</span><span class="o">[</span><span class="kt">T</span><span class="o">])</span><span class="k">:</span> <span class="kt">HBaseDSLSink</span><span class="o">[</span><span class="kt">T</span><span class="o">]</span> <span class="k">=</span> <span class="o">{</span>
+  <span class="k">implicit</span> <span class="k">def</span> <span class="n">streamToHBaseDSLSink</span><span class="o">[</span><span class="kt">T</span><span class="o">](</span><span class="n">stream</span><span class="k">:</span> <span class="kt">Stream</span><span class="o">[</span><span class="kt">T</span><span class="o">])</span><span class="k">:</span> <span class="kt">HBaseDSLSink</span><span class="o">[</span><span class="kt">T</span><span class="o">]</span> <span class="k">=</span> <span class="o">{</span>
     <span class="k">new</span> <span class="nc">HBaseDSLSink</span><span class="o">[</span><span class="kt">T</span><span class="o">](</span><span class="n">stream</span><span class="o">)</span>
   <span class="o">}</span>
 <span class="o">}</span></code></pre></div>
diff --git a/releases/latest/dev-custom-serializer.html b/releases/latest/dev-custom-serializer.html
index c510544..c3f4cb8 100644
--- a/releases/latest/dev-custom-serializer.html
+++ b/releases/latest/dev-custom-serializer.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Customize Serializer - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Customize Serializer - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/dev-ide-setup.html b/releases/latest/dev-ide-setup.html
index cb16eba..381b8c3 100644
--- a/releases/latest/dev-ide-setup.html
+++ b/releases/latest/dev-ide-setup.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>IDE Preparation for Gearpump Development - Gearpump 0.7.3 Documentation</title>
+  <title>IDE Preparation for Gearpump Development - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -119,6 +126,15 @@
   <li>All set.</li>
 </ol>
 
+<p><strong>NOTE:</strong> Intellij Scala plugin is already bundled with sbt. If you have Scala plugin installed, please don&#8217;t install additional sbt plugin. Check your settings at &#8220;Settings -&gt; Plugins&#8221;
+<strong>NOTE:</strong> If you are behind a proxy, to speed up the build, please set the proxy for sbt in &#8220;Settings -&gt; Build Tools &gt; SBT&#8221;. in input field &#8220;VM parameters&#8221;, add 
+<code>
+-Dhttp.proxyHost=&lt;proxy host&gt;
+-Dhttp.proxyPort=&lt;port like 911&gt;
+-Dhttps.proxyHost=&lt;proxy host&gt;
+-Dhttps.proxyPort=&lt;port like 911&gt;
+</code></p>
+
 <h3 id="eclipse-ide-setup">Eclipse IDE Setup</h3>
 
 <p>I will show how to do this in eclipse LUNA.</p>
diff --git a/releases/latest/dev-non-streaming-example.html b/releases/latest/dev-non-streaming-example.html
index 9961598..20a9695 100644
--- a/releases/latest/dev-non-streaming-example.html
+++ b/releases/latest/dev-non-streaming-example.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Non-Streaming Example - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Non-Streaming Example - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/dev-rest-api.html b/releases/latest/dev-rest-api.html
index 99d30be..8b95f37 100644
--- a/releases/latest/dev-rest-api.html
+++ b/releases/latest/dev-rest-api.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump RESTful API reference - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump RESTful API reference - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/dev-storm.html b/releases/latest/dev-storm.html
index 436b6f4..7a6735a 100644
--- a/releases/latest/dev-storm.html
+++ b/releases/latest/dev-storm.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Storm Compatibility - Gearpump 0.7.3 Documentation</title>
+  <title>Storm Compatibility - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/dev-write-1st-app.html b/releases/latest/dev-write-1st-app.html
index 5a3eb13..7b51e94 100644
--- a/releases/latest/dev-write-1st-app.html
+++ b/releases/latest/dev-write-1st-app.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Write Your 1st Gearpump App - Gearpump 0.7.3 Documentation</title>
+  <title>Write Your 1st Gearpump App - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Write Your 1st Gearpump App">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/faq.html b/releases/latest/faq.html
index 69236cd..0422c24 100644
--- a/releases/latest/faq.html
+++ b/releases/latest/faq.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>faq - Gearpump 0.7.3 Documentation</title>
+  <title>faq - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Gearpump Frequently Asked Questions">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -145,6 +152,10 @@
 
 <p>Generally, we recommend use the default <code>share-thread-pool-dispatcher</code> which has better performance and only turn to the <code>single-thread-dispatcher</code> when you have to.</p>
 
+<h5 id="why-cant-i-open-dashboard-even-if-the-services-process-has-been-launched-successfully-">Why can&#8217;t I open Dashboard even if the Services process has been launched successfully ?</h5>
+
+<p>By default, our Services process binds to a local <strong>IPv6 port</strong>. It&#8217;s possible that another process on your system has already taken up the same <strong>IPv4 port</strong>. You may check by <code>lsof -i -P | grep -i "Listen"</code> if your system is Unix/Linux.</p>
+
 <h5 id="what-is-the-open-source-plan-for-this-project">What is the open source plan for this project?</h5>
 <p>The ultimate goal is to make it an Apache project.</p>
 
diff --git a/releases/latest/features.html b/releases/latest/features.html
index 1aff932..8591007 100644
--- a/releases/latest/features.html
+++ b/releases/latest/features.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>highlights - Gearpump 0.7.3 Documentation</title>
+  <title>highlights - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Gearpump Technical Highlights">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -146,7 +153,7 @@
 
 <h4 id="high-performance-message-passing">High Performance message passing</h4>
 
-<p>By implementing smart batching strategies, Gearpump is extremely effective in transferring small messages. In one test of 4 machines, the whole cluster throughput can reach 11 million messages per second, with message size of 100 bytes.
+<p>By implementing smart batching strategies, Gearpump is extremely effective in transferring small messages. In one test of 4 machines, the whole cluster throughput can reach 18 million messages per second, with message size of 100 bytes.
 <img src="img/dashboard.png" alt="Dashboard" /></p>
 
 <h4 id="high-availability-no-single-point-of-failure">High availability, No single point of failure</h4>
diff --git a/releases/latest/gearpump-internals.html b/releases/latest/gearpump-internals.html
index 690f79b..c2fa447 100644
--- a/releases/latest/gearpump-internals.html
+++ b/releases/latest/gearpump-internals.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Internals - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Internals - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Gearpump Internals">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/get-gearpump-distribution.html b/releases/latest/get-gearpump-distribution.html
index 74c145b..13b7745 100644
--- a/releases/latest/get-gearpump-distribution.html
+++ b/releases/latest/get-gearpump-distribution.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Get Gearpump Distribution - Gearpump 0.7.3 Documentation</title>
+  <title>Get Gearpump Distribution - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="How to Get Your Gearpump Distribution">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -134,10 +141,10 @@
 <p>2). Build package</p>
 
 <div class="highlight"><pre><code class="language-bash">  <span class="c">## Please use scala 2.11</span>
-  <span class="c">## The target package path: output/target/gearpump-2.11-0.7.3.zip</span>
+  <span class="c">## The target package path: output/target/gearpump-2.11-0.7.4.zip</span>
   sbt clean assembly packArchiveZip</code></pre></div>
 
-<p>After the build, there will be a package file gearpump-2.11-0.7.3.zip generated under output/target/ folder.</p>
+<p>After the build, there will be a package file gearpump-2.11-0.7.4.zip generated under output/target/ folder.</p>
 
 <p><strong>NOTE:</strong>
   Please set JAVA_HOME environment before the build.</p>
@@ -166,7 +173,7 @@
 
 <p>You need to flatten the <code>.zip</code> file to use it. On Linux, you can</p>
 
-<div class="highlight"><pre><code class="language-bash">unzip gearpump-2.11-0.7.3.zip</code></pre></div>
+<div class="highlight"><pre><code class="language-bash">unzip gearpump-2.11-0.7.4.zip</code></pre></div>
 
 <p>After decompression, the directory structure looks like picture 1.</p>
 
diff --git a/releases/latest/hardware-requirement.html b/releases/latest/hardware-requirement.html
index 106f867..d400025 100644
--- a/releases/latest/hardware-requirement.html
+++ b/releases/latest/hardware-requirement.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Cluster Requirement - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Cluster Requirement - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Gearpump Cluster Requirement">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/how-to-contribute.html b/releases/latest/how-to-contribute.html
index f1518b0..b6a8aff 100644
--- a/releases/latest/how-to-contribute.html
+++ b/releases/latest/how-to-contribute.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>How to contribute - Gearpump 0.7.3 Documentation</title>
+  <title>How to contribute - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/img/dashboard.png b/releases/latest/img/dashboard.png
index 9db6622..0b5eedd 100644
--- a/releases/latest/img/dashboard.png
+++ b/releases/latest/img/dashboard.png
Binary files differ
diff --git a/releases/latest/index.html b/releases/latest/index.html
index 001420b..d3a2711 100644
--- a/releases/latest/index.html
+++ b/releases/latest/index.html
@@ -7,9 +7,9 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Overview - Gearpump 0.7.3 Documentation</title>
+  <title>Overview - Gearpump 0.7.4 Documentation</title>
   
-   <meta name="description" content="Gearpump 0.7.3 documentation homepage">
+   <meta name="description" content="Gearpump 0.7.4 documentation homepage">
   
 
   
@@ -40,7 +40,7 @@
           <span class="icon-bar"></span>
         </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
       <div id="navbar" class="collapse navbar-collapse">
@@ -70,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -144,7 +145,7 @@
 </ul>
 
 <h3 id="gearpump-performance">Gearpump Performance</h3>
-<p>Per initial benchmarks we are able to process 11 million messages/second (100 bytes per message) with a 17ms latency on a 4-node cluster.</p>
+<p>Per initial benchmarks we are able to process 18 million messages/second (100 bytes per message) with a 8ms latency on a 4-node cluster.</p>
 
 <p><img src="img/dashboard.png" alt="Dashboard" /></p>
 
diff --git a/releases/latest/maven-setting.html b/releases/latest/maven-setting.html
index 54b700e..ce95a6b 100644
--- a/releases/latest/maven-setting.html
+++ b/releases/latest/maven-setting.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Maven Setting - Gearpump 0.7.3 Documentation</title>
+  <title>Maven Setting - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Maven Setting">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -119,12 +126,12 @@
 <span class="nt">&lt;dependency&gt;</span>
 <span class="nt">&lt;groupId&gt;</span>com.github.intel-hadoop<span class="nt">&lt;/groupId&gt;</span>
 <span class="nt">&lt;artifactId&gt;</span>gearpump-core_2.11<span class="nt">&lt;/artifactId&gt;</span>
-<span class="nt">&lt;version&gt;</span>0.7.3<span class="nt">&lt;/version&gt;</span>
+<span class="nt">&lt;version&gt;</span>0.7.4<span class="nt">&lt;/version&gt;</span>
 <span class="nt">&lt;/dependency&gt;</span>
 <span class="nt">&lt;dependency&gt;</span>
 <span class="nt">&lt;groupId&gt;</span>com.github.intel-hadoop<span class="nt">&lt;/groupId&gt;</span>
 <span class="nt">&lt;artifactId&gt;</span>gearpump-streaming_2.11<span class="nt">&lt;/artifactId&gt;</span>
-<span class="nt">&lt;version&gt;</span>0.7.3<span class="nt">&lt;/version&gt;</span>
+<span class="nt">&lt;version&gt;</span>0.7.4<span class="nt">&lt;/version&gt;</span>
 <span class="nt">&lt;/dependency&gt;</span>
 <span class="nt">&lt;/dependencies&gt;</span></code></pre></figure>
 
diff --git a/releases/latest/message-delivery.html b/releases/latest/message-delivery.html
index 076f7c2..dfc0a56 100644
--- a/releases/latest/message-delivery.html
+++ b/releases/latest/message-delivery.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Reliable Message Delivery - Gearpump 0.7.3 Documentation</title>
+  <title>Reliable Message Delivery - Gearpump 0.7.4 Documentation</title>
   
 
   
@@ -31,11 +31,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -62,11 +68,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
diff --git a/releases/latest/performance-report.html b/releases/latest/performance-report.html
index 9bead82..89a6361 100644
--- a/releases/latest/performance-report.html
+++ b/releases/latest/performance-report.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>Gearpump Performance Report - Gearpump 0.7.3 Documentation</title>
+  <title>Gearpump Performance Report - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Gearpump Performance Report">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -117,58 +124,34 @@
 
 <p>To illustrate the performance of Gearpump, we mainly focused on two aspects, throughput and latency, using a micro benchmark called SOL (an example in the Gearpump package) whose topology is quite simple. SOLStreamProducer delivers messages to SOLStreamProcessor constantly and SOLStreamProcessor does nothing. We set up a 4-nodes cluster with 10GbE network and each node&#8217;s hardware is briefly shown as follows:</p>
 
-<p>Processor: 32 core Intel(R) Xeon(R) CPU E5-2680 2.70GHz
-Memory: 128GB</p>
+<p>Processor: 32 core Intel(R) Xeon(R) CPU E5-2690 2.90GHz
+Memory: 64GB</p>
 
 <h2 id="throughput">Throughput</h2>
 
-<p>Gearpump uses Graphite for the metrics dashboard. We tried to explore the upper bound of the throughput, after launching 64 SOLStreamProducer and 64 SOLStreamProcessor the Figure below shows that the whole throughput of the cluster can reach about 13 million messages/second(100 bytes per message)</p>
-
-<p>Figure: Performance Evaluation, Throughput and Latency</p>
+<p>We tried to explore the upper bound of the throughput, after launching 48 SOLStreamProducer and 48 SOLStreamProcessor the Figure below shows that the whole throughput of the cluster can reach about 18 million messages/second(100 bytes per message)</p>
 
 <h2 id="latency">Latency</h2>
 
-<p>When we transfer message at the max throughput above, the average latency between two tasks is 17ms, standard deviation is 13ms.</p>
-
-<p>Figure: Latency between Two tasks(ms)</p>
+<p>When we transfer message at the max throughput above, the average latency between two tasks is 8ms.</p>
 
 <h2 id="fault-recovery-time">Fault Recovery time</h2>
 
 <p>When the corruption is detected, for example the Executor is down, Gearpump will reallocate the resource and restart the application. It takes about 10 seconds to recover the application.</p>
 
+<p><img src="img/dashboard.png" alt="Dashboard" /></p>
+
 <h2 id="how-to-setup-the-benchmark-environment">How to setup the benchmark environment?</h2>
 
 <h3 id="prepare-the-env">Prepare the env</h3>
 
-<p>1). Set up a node running Graphite, see guide doc/dashboard/README.md.</p>
+<p>1). Set up a 4-nodes Gearpump cluster with 10GbE network which have 4 Workers on each node. In our test environment, each node has 64GB memory and Intel(R) Xeon(R) 32-core processor E5-2690 2.90GHz. Make sure the metrics is enabled in Gearpump.</p>
 
-<p>2). Set up a 4-nodes Gearpump cluster with 10GbE network which have 3 Workers on each node. In our test environment, each node has 128GB memory and Intel? Xeon? 32-core processor E5-2680 2.70GHz. Make sure the metrics is enabled in Gearpump.</p>
+<p>2). Submit a SOL application with 48 StreamProducers and 48 StreamProcessors:</p>
 
-<p>3). Submit a SOL application with 32 SteamProducers and 32 StreamProcessors:</p>
+<div class="highlight"><pre><code class="language-bash">bin/gear app -jar ./examples/sol-<span class="nv">$VERSION</span>-assembly.jar -streamProducer 48 -streamProcessor 48</code></pre></div>
 
-<div class="highlight"><pre><code class="language-bash">bin/gear app -jar ./examples/sol/target/pack/lib/gearpump-examples-<span class="nv">$VERSION</span>.jar io.gearpump.streaming.examples.sol.SOL -streamProducer 32 -streamProcessor 32 -runseconds 600</code></pre></div>
-
-<p>4). Browser http://$HOST:801/, you should see a Grafana dashboard. The HOST should be the node runs Graphite.</p>
-
-<p>5). Copy the config file doc/dashboard/graphana_dashboard, and modify the <code>host</code> filed to the actual hosts which runs Gearpump and the <code>source</code> and <code>target</code> fields. Please note that the format of the value should exactly the same as existing format and you also need to manually add the rest task ID to the value of <code>All</code> under <code>source</code> and <code>target</code> filed since now the number of each task type is 32.</p>
-
-<p>6). In the Grafana web page, click the &#8220;search&#8221; button and then import the config file mentioned above.</p>
-
-<h3 id="metrics">Metrics</h3>
-
-<p>We use codahale metrics library. Gearpump support to use Graphite to visualize the metrics data. Metrics is disabled by default. To use it, you need to configure the &#8216;conf/gear.conf&#8217;</p>
-
-<div class="highlight"><pre><code class="language-bash">  gearpump.metrics.reporter <span class="o">=</span> graphite
-  gearpump.metrics.enabled <span class="o">=</span> <span class="nb">true</span>         <span class="c">## Default is false, thus metrics is not enabled.</span>
-  gearpump.metrics.graphite.host <span class="o">=</span> <span class="s2">&quot;your actual graphite host name or ip&quot;</span>  
-  gearpump.metrics.graphite.port <span class="o">=</span> 2003   <span class="c">## Your graphite port</span>
-  gearpump.metrics.sample.rate <span class="o">=</span> 10       <span class="c">## this means we will sample 1 message for every 10 messages</span></code></pre></div>
-
-<p>For guide about how to install and configure Graphite, please check the Graphite website http://graphite.wikidot.com/.  For guide about how to use Grafana, please check guide in <a href="https://github.com/gearpump/gearpump/blob/master/doc/dashboard/README.md">doc/dashboard/readme.md</a></p>
-
-<p>Here is how it looks like for grafana dashboard:</p>
-
-<p><img src="img/dashboard.png" alt="Dashboard" /></p>
+<p>3). Launch Gearpump&#8217;s dashboard and browser http://$HOST:8090/, switch to the Applications tab and you can see the detail information of your application. The HOST should be the node runs dashboard.</p>
 
 
   </div> <!-- /container -->
diff --git a/releases/latest/submit-your-1st-application.html b/releases/latest/submit-your-1st-application.html
index 10a748a..6f7ea38 100644
--- a/releases/latest/submit-your-1st-application.html
+++ b/releases/latest/submit-your-1st-application.html
@@ -7,7 +7,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"/>
-  <title>submitapp - Gearpump 0.7.3 Documentation</title>
+  <title>submitapp - Gearpump 0.7.4 Documentation</title>
   
    <meta name="description" content="Submit Your 1st Gearpump Application">
   
@@ -33,11 +33,17 @@
   <div class="navbar navbar-inverse navbar-fixed-top" id="topbar">
     <div class="container">
       <div class="navbar-header">
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
         <a class="navbar-brand" href="http://gearpump.io">Gearpump
-          <span class="label label-primary" style="font-size: .6em">0.7.3</span>
+          <span class="label label-primary" style="font-size: .6em">0.7.4</span>
         </a>
       </div>
-      <div class="collapse navbar-collapse">
+      <div id="navbar" class="collapse navbar-collapse">
         <ul class="nav navbar-nav">
           <li><a href="index.html">Overview</a></li>
 
@@ -64,11 +70,12 @@
               <li><a href="deployment-yarn.html">YARN Mode</a></li>
               <li><a href="deployment-docker.html">Docker Mode</a><li>
               <li class="divider"></li>
+              <li><a href="deployment-ui-authentication.html">UI Authentication</a></li>
               <li><a href="deployment-ha.html">High Availability</a></li>
               <li><a href="deployment-msg-delivery.html">Reliable Message Delivery</a></li>
               <li><a href="deployment-configuration.html">Configuration</a></li>
               <li class="divider"></li>
-              <li><a href="deployment-security.html">Security</a></li>
+              <li><a href="deployment-security.html">YARN Security Guide</a></li>
             </ul>
           </li>
 
@@ -133,7 +140,7 @@
 <p>Open another shell,</p>
 
 <div class="highlight"><pre><code class="language-bash"><span class="c">### To run WordCount example</span>
-bin/gear app -jar examples/gearpump-examples-assembly-2.11-0.7.3.jar io.gearpump.streaming.examples.wordcount.WordCount</code></pre></div>
+bin/gear app -jar examples/gearpump-examples-assembly-2.11-0.7.4.jar io.gearpump.streaming.examples.wordcount.WordCount</code></pre></div>
 
 <h3 id="step-2-congratulations-youve-submitted-your-first-application">Step 2: Congratulations, you&#8217;ve submitted your first application.</h3>