本篇内容主要讲解“linux中jdk环境变量的搭建”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“linux中jdk环境变量的搭建”吧!
JAVA_HOME=/usr/share/jdk1.6.0_35
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_HOME
export PATH
export CLASSPATH
修改 JAVA_HOME
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://master:9000</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>/data/hadoop/tmp1</value>
</property>
<property>
<name>io.file.buffer.size</name>
<value>4096</value>
</property>
</configuration>
<configuration>
<property>
<name>dfs.replication</name>
<value>2</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:////data/hadoop/dfs/name</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:////data/hadoop/dfs/data</value>
</property>
<property>
<name>dfs.nameservices</name>
<value>h2</value>
</property>
<property>
<name>dfs.namenode.secondary.http-address</name>
<value>master:50090</value>
</property>
<property>
<name>dfs.webhdfs.enabled</name>
<value>true</value>
</property>
</configuration>
<configuration>
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
<final>true</final>
</property>
<property>
<name>mapreduce.jobtracker.http.address</name>
<value>127.0.0.1:50030</value>
</property>
<property>
<name>mapreduce.jobhistory.address</name>
<value>127.0.0.1:10020</value>
</property>
<property>
<name>mapreduce.jobhistory.webapp.address</name>
<value>127.0.0.1:19888</value>
</property>
<property>
<name>mapred.job.tracker</name>
<value>http://127.0.0.1:9001</value>
</property>
</configuration>
<configuration>
<!-- Site specific YARN configuration properties -->
<property>
<name>yarn.resourcemanager.hostname</name>
<value>127.0.0.1</value>
</property>
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
<property>
<name>yarn.resourcemanager.address</name>
<value>127.0.0.1:8032</value>
</property>
<property>
<name>yarn.resourcemanager.scheduler.address</name>
<value>127.0.0.1:8030</value>
</property>
<property>
<name>yarn.resourcemanager.resource-tracker.address</name>
<value>127.0.0.1:8031</value>
</property>
<property>
<name>yarn.resourcemanager.admin.address</name>
<value>127.0.0.1:8033</value>
</property>
<property>
<name>yarn.resourcemanager.webapp.address</name>
<value>127.0.0.1:8088</value>
</property>
</configuration>
2871 ResourceManager
3000 Jps
2554 NameNode
2964 NodeManager
2669 DataNode
到此,相信大家对“linux中jdk环境变量的搭建”有了更深的了解,不妨来实际操作一番吧!这里是亿速云网站,更多相关内容可以进入相关频道进行查询,关注我们,继续学习!
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