Changes between Version 21 and Version 22 of jazz/Hadoop_Lab1


Ignore:
Timestamp:
Mar 24, 2009, 9:34:26 AM (15 years ago)
Author:
waue
Comment:

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  • jazz/Hadoop_Lab1

    v21 v22  
    1717 
    1818    * Hadooper 擁有sudoer 的權限
    19 
    20 -----
    21  * 寫給我看的:
    22 
    23 每台電腦都要增加此使用者
    24 {{{
    25 $ sudo addgroup hadoop
    26 $ sudo adduser --ingroup hadoop hadooper
    27 }}}
    28 測試不設定.bashrc 的java home有無關係
    29 -------   
    3019   
    3120 == step 1. 安裝java ==
     
    8978 
    9079{{{
    91 /opt/hadoop# cat > conf/hadoop-site.xml << EOF
     80/opt/hadoop$ cat > conf/hadoop-site.xml << EOF
    9281}}}
    9382
     
    10089    <name>fs.default.name</name>
    10190    <value>hdfs://localhost:9000</value>
    102     <description>
    103       The name of the default file system. Either the literal string
    104       "local" or a host:port for NDFS.
    105     </description>
     91    <description> default file system for NDFS </description>
    10692  </property>
    10793  <property>
    10894    <name>mapred.job.tracker</name>
    10995    <value>localhost:9001</value>
    110     <description>
    111     The host and port that the MapReduce job tracker runs at. If
    112     "local", then jobs are run in-process as a single map and
    113     reduce task.
    114     </description>
     96    <description>The host:port that job tracker runs at.</description>
    11597  </property>
    11698</configuration>
     
    169151   * [[Image(hadoop_task_tracker.png)]]
    170152   * [[Image(hadoop_dfs_status.png)]]
    171 
    172