Changes between Version 9 and Version 10 of kerberos

Timestamp:

09/03/2012 03:51:43 PM (14 years ago)

Author:

liaojiaohe

Comment:

--

kerberos

@@ -262 +262 @@
 
 
-12.
+12.修改mapred-site.xml 文件
+
+
+{{{
+<!-- kerberos config -->
+<!-- JobTracker security configs -->
+<property>
+  <name>mapreduce.jobtracker.kerberos.principal</name>
+  <value>hadoop/_HOST@LOCALDOMAIN</value>
+</property>
+<property>
+  <name>mapreduce.jobtracker.kerberos.https.principal</name>
+  <value>host/_HOST@LOCALDOMAIN</value>
+</property>
+<property>
+  <name>mapreduce.jobtracker.keytab.file</name>
+  <value>/data/hadoop-1.0.3/conf/hadoop.keytab</value> 
+</property>
+ 
+<!-- TaskTracker security configs -->
+<property>
+  <name>mapreduce.tasktracker.kerberos.principal</name>
+  <value>hadoop/_HOST@LOCALDOMAIN</value>
+</property>
+<property>
+  <name>mapreduce.tasktracker.kerberos.https.principal</name>
+  <value>host/_HOST@LOCALDOMAIN</value>
+</property>
+<property>
+  <name>mapreduce.tasktracker.keytab.file</name>
+  <value>/data/hadoop-1.0.3/conf/hadoop.keytab</value> <!-- path to the MapReduce keytab -->
+</property>
+ 
+<!-- TaskController settings -->
+<property>
+  <name>mapred.task.tracker.task-controller</name>
+  <value>org.apache.hadoop.mapred.DefaultTaskController</value>
+</property>
+<property>
+  <name>mapreduce.tasktracker.group</name>
+  <value>hadoop</value>
+</property>
+}}}
+
+
+13.启动mapred
+
+可能要修改 taskcontroller.cfg
+
+start-mapred.sh