完全分布式Hadoop3.X的搭建[亲测有效]

#!/bin/bash #1. 判断参数个数
if [ $# -lt 1 ]
then echo Not Enough Arguement! exit; fi #2. 遍历集群所有机器
for host in hadoop102 hadoop103 hadoop104 do echo ====================  $host  ====================
  #3. 遍历所有目录，挨个发送
  for file in $@
  do
    #4. 判断文件是否存在
    if [ -e $file ] then #5. 获取父目录
      pdir=$(cd -P $(dirname $file); pwd) #6. 获取当前文件的名称
      fname=$(basename $file) ssh $host "mkdir -p $pdir" rsync -av $pdir/$fname $host:$pdir
    else echo $file does not exists! fi done done

#!/bin/bash

for i in hadoop102 hadoop103 hadoop104 do echo =============== $i =============== ssh $i "$*" "/usr/local/soft/jdk1.8.0_212/bin/jps" done 

#!/bin/bash
if [ $# -lt 1 ]
then echo "No Args Input..." exit ; fi case $1 in
"start") echo " =================== 启动 hadoop集群 ===================" echo " --------------- 启动 hdfs ---------------" ssh hadoop102 "/usr/local/soft/hadoop-3.1.3/sbin/start-dfs.sh" echo " --------------- 启动 yarn ---------------" ssh hadoop103 "/usr/local/soft/hadoop-3.1.3/sbin/start-yarn.sh" echo " --------------- 启动 historyserver ---------------" ssh hadoop102 "/usr/local/soft/hadoop-3.1.3/bin/mapred --daemon start his toryserver";; "stop") echo " =================== 关闭 hadoop集群 ===================" echo " --------------- 关闭 historyserver ---------------" ssh hadoop102 "/usr/local/soft/hadoop-3.1.3/bin/mapred --daemon stop hist oryserver" echo " --------------- 关闭 yarn ---------------" ssh hadoop103 "/usr/local/soft/hadoop-3.1.3/sbin/stop-yarn.sh" echo " --------------- 关闭 hdfs ---------------" ssh hadoop102 "/usr/local/soft/hadoop-3.1.3/sbin/stop-dfs.sh" ;; *) echo "Input Args Error..." ;; esac 

export JAVA_HOME=/usr/local/soft/jdk1.8.0_212 export PATH=$PATH:$JAVA_HOME/bin export HADOOP_HOME=/usr/local/soft/hadoop-3.1.3 export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin export REDIS_HOME=/usr/local/soft/redis/ export PATH=$PATH:$REDIS_HOME/bin

<configuration> <!-- 指定NameNode的地址 --> <property> <name>fs.defaultFS</name> <value>hdfs://hadoop102:8020</value> </property> <!-- 指定hadoop数据的存储目录 --> <property> <name>hadoop.tmp.dir</name> <value>/usr/local/soft/hadoop-3.1.3/data</value> </property> </configuration>

<?xml version="1.0" encoding="UTF-8"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> <configuration> <!-- nn web端访问地址--> <property> <name>dfs.namenode.http-address</name> <value>hadoop102:9870</value> </property> <!-- 2nn web端访问地址--> <property> <name>dfs.namenode.secondary.http-address</name> <value>hadoop104:9868</value> </property> <property> <name>dfs.permissions.enabled</name> <value>false</value> </property> <property> <name> dfs.client.block.write.replace-datanode-on-failure.enable </name> <value>true</value> </property> <property> <name> dfs.client.block.write.replace-datanode-on-failure.policy </name> <value>never</value> </property> <property> <name>dfs.webhdfs.enabled</name> <value>true</value> </property> </configuration>

<configuration> <!-- Site specific YARN configuration properties --> <!-- 指定MR走shuffle --> <property> <name>yarn.nodemanager.aux-services</name> <value>mapreduce_shuffle</value> </property> <!-- 指定ResourceManager的地址--> <property> <name>yarn.resourcemanager.hostname</name> <value>hadoop103</value> </property> <!-- 环境变量的继承 --> <property> <name>yarn.nodemanager.env-whitelist</name> <value>JAVA_HOME,HADOOP_COMMON_HOME,HADOOP_HDFS_HOME,HADOOP_CONF_DIR,CLAS SPATH_PREPEND_DISTCACHE,HADOOP_YARN_HOME,HADOOP_MAPRED_HOME</value>    </property> <!-- 开启日志聚集功能 --> <property> <name>yarn.log-aggregation-enable</name> <value>true</value> </property> <!-- 设置日志聚集服务器地址 --> <property> <name>yarn.log.server.url</name> <value>http://hadoop102:19888/jobhistory/logs</value> </property> <!-- 设置日志保留时间为7天 --> <property> <name>yarn.log-aggregation.retain-seconds</name> <value>604800</value> </property> </configuration>

<?xml version="1.0" encoding="UTF-8"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> <configuration> <!-- 指定MapReduce程序运行在Yarn上 --> <property> <name>mapreduce.framework.name</name> <value>yarn</value> </property> <!-- 历史服务器端地址 --> <property> <name>mapreduce.jobhistory.address</name> <value>hadoop102:10020</value> </property> <!-- 历史服务器web端地址 --> <property> <name>mapreduce.jobhistory.webapp.address</name> <value>hadoop102:19888</value> </property> </configuration>

HDFS_DATANODE_USER=root HADOOP_SECURE_DN_USER=hdfs HDFS_NAMENODE_USER=root HDFS_SECONDARYNAMENODE_USER=root

YARN_RESOURCEMANAGER_USER=root HADOOP_SECURE_DN_USER=yarn YARN_NODEMANAGER_USER=root

xsync /usr/local/soft/hadoop-3.1.3