From: Data classification algorithm for data-intensive computing environments
A. Edit conf/master, by replacing the master hostname (every host has one independent name). The specific commands are as follows: | |
~$cd /home/ administrator /hadoop-0.20.2 ~$gedit conf/master Write the following in the edit window: C0 | |
B. Edit conf/slaves, by adding all hostnames of the slaves. The specific commands are as follows: ~$cd /home/ administrator /hadoop-0.20.2 ~$gedit conf/slaves Write the following in the edit window: C1 C2 C3 C4 C5 C6 C7 C8 Save and close the edit window. | |
C. Editconf/hadoop-env.sh, by setting variable JAVA_HOME to the JDK installation index. The specific commands are as follows: ~$cd /home/ administrator /hadoop-0.20.2 ~$gedit conf/hadoop-env.sh Write the following in the edit window: export JAVA_HOME /usr/local/java/jdk1.7.0_03 Save and close the edit window. | |
D. Allocatecore-site.xml file. The specific commands are as follows: ~$cd /home/ administrator /hadoop-0.20.2 ~$gedit conf/core-site.xml Write the following in the edit window: Save and close the edit window. | |
E. Allocatehdfs-site.xml file. The specific commands are as follows: ~$cd /home/ administrator /hadoop-0.20.2 ~$gedit conf/hdfs-site.xml Write the following in the edit window: Save and close the edit window. | |
F. Allocatemapred-site.xml file. The specific commands are as follows: ~$cd /home/ administrator /hadoop-0.20.2 ~$gedit conf/mapred-site.xml Write the following in the edit window. |