计科 071 李云 200700814107
zhengxq@zhengxq-desktop:/usr/local/hadoop/hadoop-0.20.1$ sudo gedit
conf/core-site.xml((
空的,内容加上:
<property>
<name>hadoop.tmp.dir</name>
<value>/usr/local/hadoop-datastore/hadoop-${user.name}</value>
<description>A base for other temporary directories.</description>
</property>
<property>
<name>fs.default.name</name>
<value>hdfs://localhost:54310</value>
<description>The name of the default file system.
scheme and authority determine the FileSystem implementation.
uri's scheme determines the config property (fs.SCHEME.impl) naming
the FileSystem implementation class.
determine the host, port, etc. for a filesystem.</description>
</property>
<property>
<name>dfs.replication</name>
<value>1</value>
<description>Default block replication.
The actual number of replications can be specified when the file is created.
The default is used if replication is not specified in create time.
</description>
</property>
1.4.2.3 配置 $HADOOP_HOME/conf/mapred-site.xml
同 core-site.xml
加上:
<property>
<name>mapred.job.tracker</name>
<value>localhost:54311</value>
<description>The host and port that the MapReduce job tracker runs