core-site.xml、hdfs-site.xml、yarn-site.xml 和一些jdk等环境变量

hadoop +zookeeper的文件配置

hadoop-env.sh：

'#' The java implementation to use.
export JAVA_HOME=/opt/jdk1.8.0_221

core-site.xml

<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://mycluster</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>/opt/soft/hadoop260/tmp</value>
</property>
<property>
<name>ha.zookeeper.quorum</name>
<value>hadoop01:2181,hadoop02:2181,hadoop03:2181</value>
</property>
<property>
<name>hadoop.proxyuser.root.hosts</name>
<value>*</value>
</property>
<property>
<name>hadoop.proxyuser.root.groups</name>
<value>*</value>
</property>
</configuration>

hdfs-site.xml

<configuration>
<property>
<name>dfs.nameservices</name>
<value>mycluster</value>
</property>
<property>
<name>dfs.ha.namenodes.mycluster</name>
<value>nn1,nn2</value>
</property>
<property>
<name>dfs.namenode.rpc-address.mycluster.nn1</name>
<value>hadoop01:9000</value>
</property>
<property>
<name>dfs.namenode.rpc-address.mycluster.nn2</name>
<value>hadoop02:9000</value>
</property>
<property>
<name>dfs.namenode.http-address.mycluster.nn1</name>
<value>hadoop01:50070</value>
</property>
<property>
<name>dfs.namenode.http-address.mycluster.nn2</name>
<value>hadoop02:50070</value>
</property>
<property>
<name>dfs.namenode.shared.edits.dir</name>
<value>qjournal://hadoop01:8485;hadoop02:8485;hadoop03:8485/mycluster</value>
</property>
<property>
<name>dfs.ha.fencing.methods</name>
<value>sshfence</value>
</property>
<!--在hadoop里配置免密登录-->
<property>
<name>dfs.ha.fencing.ssh.private-key-files</name>
<value>/root/.ssh/id_rsa</value>
</property>
<!--接收journalnode信息-->
<property>
<name>dfs.journalnode.edits.dir</name>
<value>/opt/soft/hadoop260/data/jn</value>
</property>
<property>
<name>dfs.permissions.enable</name>
<value>false</value>
</property>
<!---->
<property>
<name>dfs.client.failover.proxy.provider.mycluster</name>
<value>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</value>
</property>
<!--DataNode副本个数-->
<property>
<name>dfs.replication</name>
<value>3</value>
</property>
<!--助手配置-->
<property>
<name>dfs.namenode.secondary.http-address</name>
<value>hadoop03:50090</value>
</property>
<property>
<name>dfs.ha.automatic-failover.enabled</name>
<value>true</value>
</property>
</configuration>

mapred-site.xml

<configuration>
<property>
<name>mapreduce.framework.name
</name><value>yarn</value>
</property>
</configuration>

yarn-site.xml

<configuration>
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
<property>
<name>yarn.resourcemanager.ha.enabled</name>
<value>true</value>
</property>
<property>
<name>yarn.resourcemanager.cluster-id</name>
<value>cluster-yarn1</value>
</property>
<property>
<name>yarn.resourcemanager.ha.rm-ids</name>
<value>rm1,rm2</value>
</property>
<property>
<name>yarn.resourcemanager.hostname.rm1</name>
<value>hadoop01</value> </property>
<property>
<name>yarn.resourcemanager.hostname.rm2</name>
<value>hadoop02</value>
</property>
<property>
<name>yarn.resourcemanager.zk-address</name>
<value>hadoop01:2181,hadoop02:2181,hadoop03:2181</value>
</property>
<property>
<name>yarn.resourcemanager.recovery.enabled</name>
<value>true</value>
</property>
<property>
<name>yarn.resourcemanager.store.class</name>
<value>org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore</value>
</property>
</configuration>

Hadoop环境变量配置
vi /etc/profile

export HADOOP_HOME=/opt/hadoop
export HADOOP_MAPRED_HOME=$HADOOP_HOME
export HADOOP_COMMON_HOME=$HADOOP_HOME
export HADOOP_HDFS_HOME=$HADOOP_HOME
export YARN_HOME=$HADOOP_HOME
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"
export PATH=$PATH:$HADOOP_HOME/sbin:$HADOOP_HOME/bin

jdk环境：

export JAVA_HOME=/opt/jdk1.8.0_221
exportCLASSPATH=.:$JAVA_HOME/rt.jar:$JAVA_HOME/tools.jar:$JAVA_HOME/dt.jar
export JRE_HOME=$JAVA_HOME/jre
export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin