Changes between Version 22 and Version 23 of jazz/08-11-04

Timestamp:

Nov 5, 2008, 11:14:32 AM (17 years ago)

Author:

jazz

Comment:

--

jazz/08-11-04

@@ -55 +55 @@
 ~/hadoop-0.18.2$ bin/start-all.sh
 }}}
-   * 6. 啟動 MapReduce 的指令
-{{{
-~/hadoop-0.18.2$ bin/start-mapred.sh
-}}}
-
-
  * 6. 完成後可以看到以下三個網頁
    * http://localhost:50030/
@@ -73 +67 @@
 drwxr-xr-x   - jazz supergroup          0 2008-11-04 15:56 /user/jazz/conf
 }}}
+{{{
+~/hadoop-0.18.2$ bin/hadoop jar /home/jazz/hadoop-0.18.2/hadoop-0.18.2-examples.jar wordcount
+ERROR: Wrong number of parameters: 0 instead of 2.
+wordcount [-m <maps>] [-r <reduces>] <input> <output>
+Generic options supported are
+-conf <configuration file>     specify an application configuration file
+-D <property=value>            use value for given property
+-fs <local|namenode:port>      specify a namenode
+-jt <local|jobtracker:port>    specify a job tracker
+-files <comma separated list of files>    specify comma separated files to be copied to the map reduce cluster
+-libjars <comma separated list of jars>    specify comma separated jar files to include in the classpath.
+-archives <comma separated list of archives>    specify comma separated archives to be unarchived on the compute machines.
+
+The general command line syntax is
+bin/hadoop command [genericOptions] [commandOptions]
+}}}