修改主机名
hostnamectl set-hostname servername
SSH免密登录
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 0600 ~/.ssh/authorized_keys
配置环境变量
export JAVA_HOME=/opt/jdk
export HIVE_HOME=/opt/hive
export HADOOP_HOME=/opt/hadoop
export ZOOKEEPER_HOME=/opt/zookeeper
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$ZOOKEEPER_HOME/bin:$HIVE_HOME/bin:$PATH
zoo.cfg
ticktickTime=2000
initLimit=10
syncLimit=5
clientPort=2181
dataDir=/opt/zookeeper/data
dataLogDir=/opt/zookeeper/logs
server.1=n103:2888:3888
server.2=n104:2888:3888
server.3=n105:2888:3888
在dataDir下创建myid文件
修改hadoop-env.sh export JAVA_HOME=/opt/jdk
core-site.html
<configuration>
<!-- 指定hdfs的nameservice为cluster -->
<property>
<name>fs.defaultFS</name>
<value>hdfs://cluster/</value>
</property>
<!-- 指定hadoop临时目录 -->
<property>
<name>hadoop.tmp.dir</name>
<value>/opt/workspace/hadoop/tmp</value>
</property>
<!-- 指定zookeeper地址 -->
<property>
<name>ha.zookeeper.quorum</name>
<value>N103:2181,N104:2181,N105:2181</value>
</property>
</configuration>
hdfs-site.xml
<configuration>
<!--指定hdfs的nameservice为cluster，需要和core-site.xml中的保持一致 -->
<property>
<name>dfs.nameservices</name>
<value>cluster</value>
</property>
<!-- cluster下面有两个NameNode，分别是n101，n102 -->
<property>
<name>dfs.ha.namenodes.cluster</name>
<value>N101,N102</value>
</property>
<!-- n101的RPC通信地址 -->
<property>
<name>dfs.namenode.rpc-address.cluster.N101</name>
<value>N101:9000</value>
</property>
<!-- n101的http通信地址 -->
<property>
<name>dfs.namenode.http-address.cluster.N101</name>
<value>N101:50070</value>
</property>
<!-- n102的RPC通信地址 -->
<property>
<name>dfs.namenode.rpc-address.cluster.N102</name>
<value>N102:9000</value>
</property>
<!-- n102的http通信地址 -->
<property>
<name>dfs.namenode.http-address.cluster.N102</name>
<value>N102:50070</value>
</property>
<!-- 指定NameNode的元数据在JournalNode上的存放位置 -->
<property>
<name>dfs.namenode.shared.edits.dir</name>
<value>qjournal://N103:8485;N104:8485;N105:8485/cluster</value>
</property>
<!-- 指定JournalNode在本地磁盘存放数据的位置 -->
<property>
<name>dfs.journalnode.edits.dir</name>
<value>/opt/workspace/hadoop/journaldata</value>
</property>
<!-- 开启NameNode失败自动切换 -->
<property>
<name>dfs.ha.automatic-failover.enabled</name>
<value>true</value>
</property>
<!-- 配置失败自动切换实现方式 -->
<property>
<name>dfs.client.failover.proxy.provider.cluster</name>
<value>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</value>
</property>
<!-- 配置隔离机制方法，多个机制用换行分割，即每个机制暂用一行-->
<property>
<name>dfs.ha.fencing.methods</name>
<value>sshfence</value>
</property>
<!-- 使用sshfence隔离机制时需要ssh免登陆 -->
<property>
<name>dfs.ha.fencing.ssh.private-key-files</name>
<value>/opt/.ssh/id_rsa</value>
</property>
<!-- 配置sshfence隔离机制超时时间 -->
<property>
<name>dfs.ha.fencing.ssh.connect-timeout</name>
<value>30000</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:///opt/workspace/hadoop/name</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:///opt/workspace/hadoop/data</value>
</property>
<property>
<name>dfs.replication</name>
<value>3</value>
</property>
</configuration>
yarn-site.xml
<configuration>
<!-- 开启RM高可用 -->
<property>
<name>yarn.resourcemanager.ha.enabled</name>
<value>true</value>
</property>
<!-- 指定RM的cluster id -->
<property>
<name>yarn.resourcemanager.cluster-id</name>
<value>yrc</value>
</property>
<!-- 指定RM的名字 -->
<property>
<name>yarn.resourcemanager.ha.rm-ids</name>
<value>rm1,rm2</value>
</property>
<!-- 分别指定RM的地址 -->
<property>
<name>yarn.resourcemanager.hostname.rm1</name>
<value>N101</value>
</property>
<property>
<name>yarn.resourcemanager.hostname.rm2</name>
<value>N102</value>
</property>
<!-- 指定zk集群地址 -->
<property>
<name>yarn.resourcemanager.zk-address</name>
<value>N103:2181,N104:2181,N105:2181</value>
</property>
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
</configuration>
mapred-site.xml
<configuration>
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
<property>
<name>mapreduce.jobhistory.address</name>
<value>N101:10020</value>
</property>
<property>
<name>mapreduce.jobhistory.address</name>
<value>N101:19888</value>
</property>
</configuration>
在所有zookeeper上执行 zkServer.sh start
在所有journalnode上执行 hadoop-daemons.sh start journalnode
在一台namenode上执行 hdfs namenode -format 然后执行 hadoop-daemon.sh start namenode
在另一台namenode上执行 hdfs namenode -bootstrapStandby
在一台namenode上执行 hdfs zkfc -formatZK
在一台namenode上执行 start-dfs.sh
安装mysql yum install mysql-server
systemctl enable mysql 添加服务
systemctl start mysql
启动
systemctl stop mysql
停止
systemctl restart mysql
重启
grant all privileges on *.* to root@'%' identified by 'root' with grant option;
use mysql;
delete from user where host != '%';
flush privileges;
create database hive;
修改hive-env.sh
export JAVA_HOME=/opt/jdk
将mysql驱动包放到HIVE_HOME/lib
替换HADOOP_HOME/share/hadoop/yarn/lib/jline-x.x.x.jar
hive-config.sh
export JAVA_HOME=/opt/jdk
export HADOOP_HOME=/opt/hadoop
hive-site.xml 服务端
<configuration>
<property>
<name>hive.metastore.warehouse.dir</name>
<value>/hive</value>
</property>
<property>
<name>hive.metastore.local</name>
<value>true</value>
</property>
<property>
<name>hive.metastore.schema.verification</name>
<value>false</value>
</property>
<property>
<name>javax.jdo.option.ConnectionURL</name>
<value>jdbc:mysql://localhost:3306/hive?createDatabaseIfNotExist=true</value>
</property>
<property>
<name>javax.jdo.option.ConnectionDriverName</name>
<value>com.mysql.jdbc.Driver</value>
</property>
<property>
<name>javax.jdo.option.ConnectionUserName</name>
<value>root</value>
</property>
<property>
<name>javax.jdo.option.ConnectionPassword</name>
<value>root</value>
</property>
</configuration>
hive --service metastore
hive-site.xml 客户端
<configuration>
<property>
<name>hive.metastore.warehouse.dir</name>
<value>/hive</value>
</property>
<property>
<name>hive.metastore.local</name>
<value>true</value>
</property>
<property>
<name>hive.metastore.uris</name>
<value>thrift://N102:9083</value>
</property>
</configuration>
ss -lnp|grep 2181 查看端口 |
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转播
