小功告成，在WIN7上配置上了HADOOP，终于可以一窥真容啦

191145685

　　主要参考文档：
　　http://blog.iyunv.com/ruby97/article/details/7423088
　　以后，慢慢熟悉具体操作吧。

　　sky@koala
　　/home/hadoop-0.20.2
　　$ cd conf
　　sky@koala
　　/home/hadoop-0.20.2/conf
　　$ dos2unix hadoop-env.sh
　　dos2unix: converting file hadoop-env.sh to Unix format ...
　　sky@koala
　　/home/hadoop-0.20.2/conf
　　$ cd ..
　　sky@koala
　　/home/hadoop-0.20.2
　　$ bin/hadoop namenode -format
　　13/03/19 10:19:46 INFO namenode.NameNode: STARTUP_MSG:
　　/************************************************************
　　STARTUP_MSG: Starting NameNode
　　STARTUP_MSG:   host = koala/192.168.7.9
　　STARTUP_MSG:   args = [-format]
　　STARTUP_MSG:   version = 0.20.2
　　STARTUP_MSG:   build = https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 -r 911707; compiled by 'chrisdo' on Fri Feb 19 08:07:34 UTC 2010
　　************************************************************/
　　13/03/19 10:19:47 INFO namenode.FSNamesystem: fsOwner=sky,Domain,Users,Administrators,Remote,Desktop,Users,Users,Remote,Desktop,Users,Administrators
　　13/03/19 10:19:47 INFO namenode.FSNamesystem: supergroup=supergroup
　　13/03/19 10:19:47 INFO namenode.FSNamesystem: isPermissionEnabled=true
　　13/03/19 10:19:47 INFO common.Storage: Image file of size 101 saved in 0 seconds.
　　13/03/19 10:19:47 INFO common.Storage: Storage directory \tmp\hadoop-Sky\dfs\name has been successfully formatted.
　　13/03/19 10:19:47 INFO namenode.NameNode: SHUTDOWN_MSG:
　　/************************************************************
　　SHUTDOWN_MSG: Shutting down NameNode at koala/192.168.X.X
　　************************************************************/
　　sky@koala
　　/home/hadoop-0.20.2
　　$ bin/start-all.sh
　　starting namenode, logging to /home/hadoop-0.20.2/bin/../logs/hadoop-sky-namenode-koala.out
　　localhost: starting datanode, logging to /home/hadoop-0.20.2/bin/../logs/hadoop-sky-datanode-koala.out
　　localhost: cygwin warning:
　　localhost:   MS-DOS style path detected: C:\cygwin\home\hadoop-0.20.2\/build/native
　　localhost:   Preferred POSIX equivalent is: /home/hadoop-0.20.2/build/native
　　localhost:   CYGWIN environment variable option "nodosfilewarning" turns off this warning.
　　localhost:   Consult the user's guide for more details about POSIX paths:
　　localhost:     http://cygwin.com/cygwin-ug-net/using.html#using-pathnames
　　localhost: starting secondarynamenode, logging to /home/hadoop-0.20.2/bin/../logs/hadoop-sky-secondarynamenode-koala.out
　　localhost: log4j:ERROR setFile(null,true) call failed.
　　localhost: java.io.FileNotFoundException: C:\cygwin\home\hadoop-0.20.2\logs\hadoop-sky-secondarynamenode-koala.log (Access is denied)
　　localhost:      at java.io.FileOutputStream.openAppend(Native Method)
　　localhost:      at java.io.FileOutputStream.(FileOutputStream.java:192)
　　localhost:      at java.io.FileOutputStream.(FileOutputStream.java:116)
　　localhost:      at org.apache.log4j.FileAppender.setFile(FileAppender.java:290)
　　localhost:      at org.apache.log4j.FileAppender.activateOptions(FileAppender.java:164)
　　localhost:      at org.apache.log4j.DailyRollingFileAppender.activateOptions(DailyRollingFileAppender.java:216)
　　localhost:      at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:257)
　　localhost:      at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:133)
　　starting jobtracker, logging to /home/hadoop-0.20.2/bin/../logs/hadoop-sky-jobtracker-koala.out
　　localhost: starting tasktracker, logging to /home/hadoop-0.20.2/bin/../logs/hadoop-sky-tasktracker-koala.out
　　localhost: log4j:ERROR setFile(null,true) call failed.
　　localhost: java.io.FileNotFoundException: C:\cygwin\home\hadoop-0.20.2\logs\hadoop-sky-tasktracker-koala.log (Access is denied)
　　localhost:      at java.io.FileOutputStream.openAppend(Native Method)
　　localhost:      at java.io.FileOutputStream.(FileOutputStream.java:192)
　　localhost:      at java.io.FileOutputStream.(FileOutputStream.java:116)
　　localhost:      at org.apache.log4j.FileAppender.setFile(FileAppender.java:290)
　　localhost:      at org.apache.log4j.FileAppender.activateOptions(FileAppender.java:164)
　　localhost:      at org.apache.log4j.DailyRollingFileAppender.activateOptions(DailyRollingFileAppender.java:216)
　　localhost:      at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:257)
　　localhost:      at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:133)
　　sky@koala
　　/home/hadoop-0.20.2
　　$ jps
　　956 JobTracker
　　7344 NameNode
　　6912 Jps
　　sky@koala
　　/home/hadoop-0.20.2
　　$ ps
　　PID    PPID    PGID     WINPID   TTY     UID    STIME COMMAND
　　10252       1   12080       9788  ?       1001 10:22:03 /cygdrive/c/Java/jdk1.6.0_43/bin/java
　　10812       1   11428        956  pty0    1001 10:22:04 /cygdrive/c/Java/jdk1.6.0_43/bin/java
　　5344   10852    5344      10076  pty0    1001 10:22:28 /usr/bin/ps
　　10852    1824   10852      12052  pty0    1001 22:50:39 /usr/bin/bash
　　2032       1    9660      11484  ?       1001 10:22:01 /cygdrive/c/Java/jdk1.6.0_43/bin/java
　　1824       1    1824       1824  ?       1001 22:50:39 /usr/bin/mintty
　　7692       1   11428       7344  pty0    1001 10:21:59 /cygdrive/c/Java/jdk1.6.0_43/bin/java
　　5228       1   10496       8688  ?       1001 10:22:06 /cygdrive/c/Java/jdk1.6.0_43/bin/java
　　sky@koala
　　/home/hadoop-0.20.2
　　$ bin/hadoop fs -mkdir In
　　sky@koala
　　/home/hadoop-0.20.2
　　$ bin/hadoop fs -put *.txt In
　　sky@koala
　　/home/hadoop-0.20.2
　　$ bin/hadoop fs -ls
　　Found 1 items
　　drwxr-xr-x   - supergroup          0 2013-03-19 10:23 /user/In
　　sky@koala
　　/home/hadoop-0.20.2
　　$ bin/hadoop fs -put *.pdf In
　　sky@koala
　　/home/hadoop-0.20.2
　　$ bin/hadoop fs -ls /user/
　　Found 1 items
　　drwxr-xr-x   - supergroup          0 2013-03-19 10:28 /user/In
　　sky@koala
　　/home/hadoop-0.20.2
　　$ bin/hadoop fs -ls /user/In
　　Found 5 items
　　-rw-r--r--   1 supergroup     348624 2013-03-19 10:23 /user/In/CHANGES.txt
　　-rw-r--r--   1 supergroup      13366 2013-03-19 10:23 /user/In/LICENSE.txt
　　-rw-r--r--   1 supergroup        101 2013-03-19 10:23 /user/In/NOTICE.txt
　　-rw-r--r--   1 supergroup   38321433 2013-03-19 10:28 /user/In/ObjectLearn.pdf
　　-rw-r--r--   1 supergroup       1366 2013-03-19 10:23 /user/In/README.txt
　　sky@koala
　　/home/hadoop-0.20.2
　　$ bin/hadoop dfsadmin -report
　　Configured Capacity: 104752738304 (97.56 GB)
　　Present Capacity: 61319459840 (57.11 GB)
　　DFS Remaining: 61280444416 (57.07 GB)
　　DFS Used: 39015424 (37.21 MB)
　　DFS Used%: 0.06%
　　Under replicated blocks: 0
　　Blocks with corrupt replicas: 0
　　Missing blocks: 0
　　-------------------------------------------------
　　Datanodes available: 1 (1 total, 0 dead)
　　Name: 127.0.0.1:50010
　　Decommission Status : Normal
　　Configured Capacity: 104752738304 (97.56 GB)
　　DFS Used: 39015424 (37.21 MB)
　　Non DFS Used: 43433278464 (40.45 GB)
　　DFS Remaining: 61280444416(57.07 GB)
　　DFS Used%: 0.04%
　　DFS Remaining%: 58.5%
　　Last contact: Tue Mar 19 10:40:52 CST 2013
　　
　　
　　sky@koala
　　/home/hadoop-0.20.2
　　$ bin/hadoop dfs -lsr /
　　sky@koala
　　/home/hadoop-0.20.2
　　$