hadoop-common-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From szets...@apache.org
Subject svn commit: r742678 - in /hadoop/core/trunk: ./ src/hdfs/org/apache/hadoop/hdfs/server/namenode/ src/webapps/secondary/
Date Mon, 09 Feb 2009 19:06:51 GMT
Author: szetszwo
Date: Mon Feb  9 19:06:50 2009
New Revision: 742678

URL: http://svn.apache.org/viewvc?rev=742678&view=rev
Log:
HADOOP-3741. Add a web ui for the SecondaryNameNode.  (szetszwo)

Added:
    hadoop/core/trunk/src/webapps/secondary/
    hadoop/core/trunk/src/webapps/secondary/index.html
    hadoop/core/trunk/src/webapps/secondary/status.jsp
Modified:
    hadoop/core/trunk/CHANGES.txt
    hadoop/core/trunk/build.xml
    hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/JspHelper.java
    hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java

Modified: hadoop/core/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/CHANGES.txt?rev=742678&r1=742677&r2=742678&view=diff
==============================================================================
--- hadoop/core/trunk/CHANGES.txt (original)
+++ hadoop/core/trunk/CHANGES.txt Mon Feb  9 19:06:50 2009
@@ -35,6 +35,9 @@
     HADOOP-4368. Implement df in FsShell to show the status of a FileSystem.
     (Craig Macdonald via szetszwo)
 
+    HADOOP-3741. Add a web ui to the SecondaryNameNode for showing its status.
+    (szetszwo)
+
   IMPROVEMENTS
 
     HADOOP-4565. Added CombineFileInputFormat to use data locality information

Modified: hadoop/core/trunk/build.xml
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/build.xml?rev=742678&r1=742677&r2=742678&view=diff
==============================================================================
--- hadoop/core/trunk/build.xml (original)
+++ hadoop/core/trunk/build.xml Mon Feb  9 19:06:50 2009
@@ -415,6 +415,13 @@
      webxml="${build.webapps}/datanode/WEB-INF/web.xml">
     </jsp-compile>
 
+    <jsp-compile
+     uriroot="${src.webapps}/secondary"
+     outputdir="${build.src}"
+     package="org.apache.hadoop.hdfs.server.namenode"
+     webxml="${build.webapps}/secondary/WEB-INF/web.xml">
+    </jsp-compile>
+
     <!-- Compile Java files (excluding JSPs) checking warnings -->
     <javac 
      encoding="${build.encoding}" 

Modified: hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/JspHelper.java
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/JspHelper.java?rev=742678&r1=742677&r2=742678&view=diff
==============================================================================
--- hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/JspHelper.java (original)
+++ hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/JspHelper.java Mon Feb
 9 19:06:50 2009
@@ -371,4 +371,12 @@
         + "\n  <tr><td id='col1'>Upgrades:</td><td>" + getUpgradeStatusText(fsn)
         + "\n</table></div>";
   }
+
+  /** Return a table containing version information. */
+  public static String getVersionTable() {
+    return "<div id='dfstable'><table>"       
+        + "\n  <tr><td id='col1'>Version:</td><td>" + VersionInfo.getVersion()
+ ", " + VersionInfo.getRevision()
+        + "\n  <tr><td id='col1'>Compiled:</td><td>" + VersionInfo.getDate()
+ " by " + VersionInfo.getUser() + " from " + VersionInfo.getBranch()
+        + "\n</table></div>";
+  }
 }

Modified: hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java?rev=742678&r1=742677&r2=742678&view=diff
==============================================================================
--- hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
(original)
+++ hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
Mon Feb  9 19:06:50 2009
@@ -17,27 +17,30 @@
  */
 package org.apache.hadoop.hdfs.server.namenode;
 
-import org.apache.commons.logging.*;
+import java.io.File;
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Date;
+import java.util.Iterator;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol;
-import org.apache.hadoop.hdfs.protocol.FSConstants;
 import org.apache.hadoop.hdfs.server.common.HdfsConstants;
 import org.apache.hadoop.hdfs.server.common.InconsistentFSStateException;
-import org.apache.hadoop.ipc.*;
-import org.apache.hadoop.conf.*;
-import org.apache.hadoop.util.StringUtils;
-import org.apache.hadoop.util.Daemon;
+import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol;
 import org.apache.hadoop.http.HttpServer;
-import org.apache.hadoop.net.NetUtils;
-
-import java.io.*;
-import java.net.*;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Iterator;
-
+import org.apache.hadoop.ipc.RPC;
+import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.metrics.jvm.JvmMetrics;
+import org.apache.hadoop.net.NetUtils;
+import org.apache.hadoop.util.Daemon;
+import org.apache.hadoop.util.StringUtils;
 
 /**********************************************************
  * The Secondary NameNode is a helper to the primary NameNode.
@@ -57,6 +60,9 @@
   public static final Log LOG = 
     LogFactory.getLog(SecondaryNameNode.class.getName());
 
+  private final long starttime = System.currentTimeMillis();
+  private volatile long lastCheckpointTime = 0;
+
   private String fsName;
   private CheckpointStorage checkpointImage;
 
@@ -73,6 +79,17 @@
   private long checkpointPeriod;	// in seconds
   private long checkpointSize;    // size (in MB) of current Edit Log
 
+  /** {@inheritDoc} */
+  public String toString() {
+    return getClass().getSimpleName() + " Status" 
+      + "\nName Node Address    : " + nameNodeAddr   
+      + "\nStart Time           : " + new Date(starttime)
+      + "\nLast Checkpoint Time : " + (lastCheckpointTime == 0? "--": new Date(lastCheckpointTime))
+      + "\nCheckpoint Period    : " + checkpointPeriod + " seconds"
+      + "\nCheckpoint Size      : " + checkpointSize + " MB"
+      + "\nCheckpoint Dirs      : " + checkpointDirs
+      + "\nCheckpoint Edits Dirs: " + checkpointEditsDirs;
+  }
   /**
    * Utility class to facilitate junit test error simulation.
    */
@@ -159,6 +176,7 @@
     int tmpInfoPort = infoSocAddr.getPort();
     infoServer = new HttpServer("secondary", infoBindAddress, tmpInfoPort,
         tmpInfoPort == 0, conf);
+    infoServer.setAttribute("secondary.name.node", this);
     infoServer.setAttribute("name.system.image", checkpointImage);
     this.infoServer.setAttribute("name.conf", conf);
     infoServer.addInternalServlet("getimage", "/getimage", GetImageServlet.class);
@@ -202,7 +220,6 @@
     // pending edit log.
     //
     long period = 5 * 60;              // 5 minutes
-    long lastCheckpointTime = 0;
     if (checkpointPeriod < period) {
       period = checkpointPeriod;
     }

Added: hadoop/core/trunk/src/webapps/secondary/index.html
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/webapps/secondary/index.html?rev=742678&view=auto
==============================================================================
--- hadoop/core/trunk/src/webapps/secondary/index.html (added)
+++ hadoop/core/trunk/src/webapps/secondary/index.html Mon Feb  9 19:06:50 2009
@@ -0,0 +1,13 @@
+<meta HTTP-EQUIV="REFRESH" content="0;url=status.jsp"/>
+<html>
+<head><title>Hadoop Administration</title></head>
+
+<body>
+<h1>Hadoop Administration</h1>
+
+<ul> 
+  <li><a href="status.jsp">Status</a></li> 
+</ul>
+
+</body> 
+</html>

Added: hadoop/core/trunk/src/webapps/secondary/status.jsp
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/webapps/secondary/status.jsp?rev=742678&view=auto
==============================================================================
--- hadoop/core/trunk/src/webapps/secondary/status.jsp (added)
+++ hadoop/core/trunk/src/webapps/secondary/status.jsp Mon Feb  9 19:06:50 2009
@@ -0,0 +1,20 @@
+<%@ page
+  contentType="text/html; charset=UTF-8"
+  import="org.apache.hadoop.util.*"
+%>
+
+<html>
+<link rel="stylesheet" type="text/css" href="/static/hadoop.css">
+<title>Hadoop SecondaryNameNode</title>
+    
+<body>
+<h1>SecondaryNameNode</h1>
+<%= JspHelper.getVersionTable() %>
+<hr />
+<pre>
+<%= application.getAttribute("secondary.name.node").toString() %>
+</pre>
+
+<br />
+<b><a href="/logs/">Logs</a></b>
+<%= ServletUtil.htmlFooter() %>



Mime
View raw message