Changes between Version 15 and Version 16 of jazz/08-11-04


Ignore:
Timestamp:
Nov 4, 2008, 4:38:34 PM (16 years ago)
Author:
waue
Comment:

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  • jazz/08-11-04

    v15 v16  
    1818~/hadoop-0.18.2$ bin/hadoop namenode -format
    1919}}}
     20   * [注意] 還需要編輯 conf/hadoop-evn.sh (HADOOP_HOME要設定到你的hadoop安裝目錄)
     21{{{
     22export JAVA_HOME=/usr/lib/jvm/java-6-sun
     23export HADOOP_HOME=/home/jazz/hadoop-0.18.2/
     24export HADOOP_LOG_DIR=$HADOOP_HOME/logs
     25export HADOOP_SLAVES=$HADOOP_HOME/conf/slaves
     26export HADOOP_CONF_DIR=$HADOOP_HOME/conf
     27}}}
    2028   * 編輯 conf/hadoop-site.xml 在 configuration 那一段加入以下設定
    2129{{{
    22 <configuration>
    2330<property>
    2431  <name>fs.default.name</name>
    25   <value>localhost:5000</value>
    26  </property>
    27 </configuration>
     32  <value>hdfs://localhost:9000/</value>
     33  <description>
     34    The name of the default file system. Either the literal string
     35    "local" or a host:port for NDFS.
     36  </description>
     37</property>
     38
     39<property>
     40  <name>mapred.job.tracker</name>
     41  <value>localhost:9001</value>
     42  <description>
     43    The host and port that the MapReduce job tracker runs at. If
     44    "local", then jobs are run in-process as a single map and
     45    reduce task.
     46  </description>
     47</property>
     48
    2849}}}
    29    * 用 bin/hadoop namenode 啟動 namenode
     50
     51   * 執行 bin/start-all.sh
    3052{{{
    31 ~/hadoop-0.18.2$ bin/hadoop namenode
    32 <ctrl-C> and come out
    33 }}}
    34    * 執行 bin/start-dfs.sh
    35 {{{
    36 ~/hadoop-0.18.2$ bin/start-dfs.sh
     53~/hadoop-0.18.2$ bin/start-all.sh
    3754starting namenode, logging to /home/jazz/hadoop-0.18.2/bin/../logs/hadoop-jazz-namenode-hadoop.out
    3855The authenticity of host 'localhost (127.0.0.1)' can't be established.
    … …  
    4663~$ cp .ssh/id_rsa.pub .ssh/authorized_keys
    4764}}}
    48    *
     65
     66 * 完成後可以看到以下三個網頁
     67   * http://localhost:50030/
     68   * http://localhost:50060/
     69   * http://localhost:50070/
     70
     71 * 可以放的東西上去看看
    4972{{{
     73~$ bin/hadoop dfs -put conf conf
     74~$ bin/hadoop dfs -ls
     75Found 1 items
     76drwxr-xr-x   - jazz supergroup          0 2008-11-04 15:56 /user/jazz/conf
    5077}}}
    51    * 如果遇到 JAVA_HOME 的問題，可以改用手動的方式啟動 DFS 服務
    52 {{{
    53 ~/hadoop-0.18.2$ bin/hadoop datanode
    54 ~/hadoop-0.18.2$ bin/hadoop-daemon.sh start datanode
    55 }}}
    56    * http://localhost:50070/