Index: src/main/java/hudson/plugins/selenium/PluginImpl.java
===================================================================
--- src/main/java/hudson/plugins/selenium/PluginImpl.java	(revision 27497)
+++ src/main/java/hudson/plugins/selenium/PluginImpl.java	(working copy)
@@ -48,6 +48,7 @@
 import java.util.List;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
+import java.util.logging.Level;
 
 /**
  * Starts Selenium Grid server in another JVM.
@@ -64,6 +65,7 @@
     private boolean rcTrustAllSSLCerts;
     private String rcFirefoxProfileTemplate;
     private String rcLog;
+    private String hubLogLevel = "INFO";
 
     /**
      * Channel to Selenium Grid JVM.
@@ -77,7 +79,8 @@
         StreamTaskListener listener = new StreamTaskListener(getLogFile());
         File root = Hudson.getInstance().getRootDir();
         channel = createSeleniumGridVM(root, listener);
-        hubLauncher = channel.callAsync(new HubLauncher(port));
+        Level logLevel = hubLogLevel != null ? Level.parse(hubLogLevel) : Level.INFO;
+        hubLauncher = channel.callAsync(new HubLauncher(port, logLevel));
 
         Hudson.getInstance().getActions().add(this);
     }
@@ -95,6 +98,7 @@
         rcBrowserSideLog = formData.getBoolean("rcBrowserSideLog");
         rcTrustAllSSLCerts = formData.getBoolean("rcTrustAllSSLCerts");
         rcFirefoxProfileTemplate = formData.getString("rcFirefoxProfileTemplate");
+        hubLogLevel = formData.getString("hubLogLevel");
         try {
             save();
         } catch (IOException e) {
@@ -157,6 +161,10 @@
         return rcFirefoxProfileTemplate;
     }
 
+    @Exported
+    public String getHubLogLevel(){
+        return hubLogLevel != null ? hubLogLevel : "INFO";
+    }
 
     public void stop() throws Exception {
         channel.close();
Index: src/main/java/hudson/plugins/selenium/HubLauncher.java
===================================================================
--- src/main/java/hudson/plugins/selenium/HubLauncher.java	(revision 27497)
+++ src/main/java/hudson/plugins/selenium/HubLauncher.java	(working copy)
@@ -14,6 +14,8 @@
 import org.mortbay.jetty.servlet.ServletHolder;
 
 import java.lang.reflect.Field;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 /**
  * Starts the selenium grid server.
@@ -23,10 +25,12 @@
  * @author Kohsuke Kawaguchi
  */
 public class HubLauncher implements Callable<Void,Exception> {
-    private int port;
+    private final int port;
+    private final Level logLevel;
 
-    public HubLauncher(int port) {
+    public HubLauncher(int port, Level logLevel) {
         this.port = port;
+        this.logLevel = logLevel;
     }
 
     public Void call() throws Exception {
@@ -52,6 +56,7 @@
         final Server server;
         final Context root;
 
+
         configuration = HubRegistry.registry().gridConfiguration().getHub();
         server = new Server(configuration.getPort());
 
@@ -68,5 +73,8 @@
         root.addServlet(new ServletHolder(new LifecycleManagerServlet()), "/lifecycle-manager");
 
         server.start();
+
+        Logger.getLogger("com.thoughtworks.selenium").setLevel(logLevel);
+        Logger.getLogger("org.apache.commons.httpclient").setLevel(logLevel);
     }
 }
Index: src/main/resources/hudson/plugins/selenium/PluginImpl/config.jelly
===================================================================
--- src/main/resources/hudson/plugins/selenium/PluginImpl/config.jelly	(revision 27497)
+++ src/main/resources/hudson/plugins/selenium/PluginImpl/config.jelly	(working copy)
@@ -22,6 +22,13 @@
         <f:entry title="${%Set -firefoxProfileTemplate}" field="rcFirefoxProfileTemplate" help="/plugin/selenium/help/rcfirefoxtemplate.html">
             <f:textbox name="rcFirefoxProfileTemplate" value="${it.rcFirefoxProfileTemplate}" />
         </f:entry>
+        <f:entry title="${%Set Hub Log Level}" field="hubLogLevel" help="/plugin/selenium/help/hubloglevel.html">
+             <select name="hubLogLevel" value="${it.hubLogLevel}">
+                 <j:forEach var="l" items="OFF,SEVERE,WARNING,CONFIG,INFO,FINE,FINER,FINEST,ALL">
+                    <f:option selected="${l==it.hubLogLevel}">${l}</f:option>
+                </j:forEach>
+            </select>
+        </f:entry>
 	</f:advanced>
   </f:section>
 </j:jelly>
\ No newline at end of file
Index: src/main/webapp/help/hubloglevel.html
===================================================================
--- src/main/webapp/help/hubloglevel.html	(revision 0)
+++ src/main/webapp/help/hubloglevel.html	(revision 0)
@@ -0,0 +1,6 @@
+<div>
+    Selenium Hub can create excessive amount of log messages in the
+    <code>$HUDSON_HOME/selenium.log</code> on INFO level. Set this to
+    SEVERE level to reduce the Selenium Hub Disk usage.
+    The changes will be applied on the next Hudson start.
+</div>
\ No newline at end of file

Property changes on: src/main/webapp/help/hubloglevel.html
___________________________________________________________________
Added: svn:mime-type
   + text/html