快速搭建hadoop,zk,hbase的基础集群
1. ZK集群,Hadoop集群,Hbase集群安装Linux121Linux122Linux123Hadoop✔✔✔MySQL✔ZK✔✔✔HBASE✔✔✔1.1 安装Vmware,安装虚拟机集群
1.1.1 安装 (VMware-workstation-full-15.5.5-16285975)
许可证:
UY758-0RXEQ-M81WP-8ZM7Z-Y3HDA
1.1.2 安装 centos7
123456
1.1.3 配置静态IP
vi /etc/sysconfig/network-scripts/ifcfg-ens33
:wq
systemctl restart network
ip addr
ping www.baidu.comvim /etc/profile
export HBASE_HOME=/opt/lagou/servers/hbase-1.3.1
export PATH=$PATH:$HBASE_HOME/bin安装jdkmkdir -p /opt/lagou/software --软件安装包存放目录
mkdir -p /opt/lagou/servers --软件安装目录rpm -qa | grep java
清理上面显示的包名
sudo yum remove java-1.8.0-openjdk
上传文件jdk-8u421-linux-x64.tar.gz
chmod 755 jdk-8u421-linux-x64.tar.gz
解压文件到/opt/lagou/servers目录下
tar -zxvf jdk-8u421-linux-x64.tar.gz -C /opt/lagou/servers
cd /opt/lagou/servers
ll配置环境vi /etc/profileexport JAVA_HOME=/opt/lagou/servers/jdk1.8.0_421
export CLASSPATH=.:${JAVA_HOME}/jre/lib/rt.jar:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/tools.jar
export PATH=$PATH:${JAVA_HOME}/binsource /etc/profile
java -version1.1.4 安装Xmanager
连接192.168.49.121:22
密码:1234561.1.5 克隆2台机器,并配置
vi /etc/sysconfig/network-scripts/ifcfg-ens33
systemctl restart network
ip addr
hostnamectl
hostnamectl set-hostname linux121关闭防火墙systemctl status firewalld
systemctl stop firewalld
systemctl disable firewalld关闭selinuxvi /etc/selinux/config
三台机器免密登录vi /etc/hosts
192.168.49.121 linux121
192.168.49.122 linux122
192.168.49.123 linux123
第一步: ssh-keygen -t rsa 在centos7-1和centos7-2和centos7-3上面都要执行,产生公钥
和私钥
ssh-keygen -t rsa
第二步:在centos7-1 ,centos7-2和centos7-3上执行:
ssh-copy-id linux121 将公钥拷贝到centos7-1上面去
ssh-copy-id linux122 将公钥拷贝到centos7-2上面去
ssh-copy-id linux123 将公钥拷贝到centos7-3上面去
ssh-copy-id linux121
ssh-copy-id linux122
ssh-copy-id linux123
第三步:
centos7-1执行:
scp /root/.ssh/authorized_keys linux121:$PWD
scp /root/.ssh/authorized_keys linux122:$PWD
scp /root/.ssh/authorized_keys linux123:$PWD三台机器时钟同步sudo cp -a /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
sudo curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
sudo yum clean all
sudo yum makecache
sudo yum install ntpdate
ntpdate us.pool.ntp.org
crontab -e
*/1 * * * * /usr/sbin/ntpdate us.pool.ntp.org;vim /etc/profile
export HBASE_HOME=/opt/lagou/servers/hbase-1.3.1
export PATH=$PATH:$HBASE_HOME/bin1.2 安装ZK,Hadoop,Hbase集群,安装mysql
1.2.1 安装hadoop集群
在/opt目录下创建文件夹mkdir -p /opt/lagou/software --软件安装包存放目录
mkdir -p /opt/lagou/servers --软件安装目录上传hadoop安装文件到/opt/lagou/softwarehttps://archive.apache.org/dist/hadoop/common/hadoop-2.9.2/
hadoop-2.9.2.tar.gz
linux121节点tar -zxvf hadoop-2.9.2.tar.gz -C /opt/lagou/servers
ll /opt/lagou/servers/hadoop-2.9.2yum install -y vim
添加环境变量
vim /etc/profile##HADOOP_HOME
export HADOOP_HOME=/opt/lagou/servers/hadoop-2.9.2
export PATH=$PATH:$HADOOP_HOME/bin
export PATH=$PATH:$HADOOP_HOME/sbinsource /etc/profile
hadoop versionHDFS集群配置cd /opt/lagou/servers/hadoop-2.9.2/etc/hadoopvim hadoop-env.sh
export JAVA_HOME=/opt/lagou/servers/jdk1.8.0_421vim core-site.xml
<property>
<name>fs.defaultFS</name>
<value>hdfs://linux121:9000</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>/opt/lagou/servers/hadoop-2.9.2/data/tmp</value>
</property> vim slaves
linux121
linux122
linux123vim mapred-env.sh
export JAVA_HOME=/opt/lagou/servers/jdk1.8.0_421mv mapred-site.xml.template mapred-site.xml
vim mapred-site.xml
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>vi mapred-site.xml
在该文件里面增加如下配置。
<property>
<name>mapreduce.jobhistory.address</name>
<value>linux121:10020</value>
</property>
<property>
<name>mapreduce.jobhistory.webapp.address</name>
<value>linux121:19888</value>
</property>vim yarn-env.sh
export JAVA_HOME=/opt/lagou/servers/jdk1.8.0_421 vim yarn-site.xml
<property>
<name>yarn.resourcemanager.hostname</name>
<value>linux123</value>
</property>
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>vi yarn-site.xml
在该文件里面增加如下配置。
<property>
<name>yarn.log-aggregation-enable</name>
<value>true</value>
</property>
<property>
<name>yarn.log-aggregation.retain-seconds</name>
<value>604800</value>
</property>
<property>
<name>yarn.log.server.url</name>
<value>http://linux121:19888/jobhistory/logs</value>
</property>chown -R root:root /opt/lagou/servers/hadoop-2.9.2分发配置三台都要
sudo yum install -y rsynctouch rsync-script
vim rsync-script
#!/bin/bash
#1 获取命令输入参数的个数,如果个数为0,直接退出命令
paramnum=$#
if((paramnum==0)); then
echo no params;
exit;
fi
#2 根据传入参数获取文件名称
p1=$1
file_name=`basename $p1`
echo fname=$file_name
#3 获取输入参数的绝对路径
pdir=`cd -P $(dirname $p1); pwd`
echo pdir=$pdir
#4 获取用户名称
user=`whoami`
#5 循环执行rsync
for((host=121; host<124; host++)); do
echo ------------------- linux$host --------------
rsync -rvl $pdir/$file_name $user@linux$host:$pdir
done1.2.3 安装Hbase集群(先启动Hadoop和zk才能启动Hbase)
chmod 777 rsync-script
./rsync-script /home/root/bin
./rsync-script /opt/lagou/servers/hadoop-2.9.2
./rsync-script /opt/lagou/servers/jdk1.8.0_421
./rsync-script /etc/profile修改配置文件
把hadoop中的配置core-site.xml 、hdfs-site.xml拷贝到hbase安装目录下的conf文件夹中
在namenode,linux121上格式化节点
hadoop namenode -format
ssh localhost
集群群起
stop-dfs.sh
stop-yarn.sh
sbin/start-dfs.sh修改conf目录下配置文件
datanode可能起不来
sudo rm -rf /opt/lagou/servers/hadoop-2.9.2/data/tmp/*
hadoop namenode -format
sbin/start-dfs.sh注意:NameNode和ResourceManger不是在同一台机器,不能在NameNode上启动 YARN,应该
在ResouceManager所在的机器上启动YARN
sbin/start-yarn.sh
linux121:
sbin/mr-jobhistory-daemon.sh start historyserver地址:
hdfs:
http://linux121:50070/dfshealth.html#tab-overview
日志:
http://linux121:19888/jobhistoryhdfs dfs -mkdir /wcinput
cd /root/
touch wc.txt
vi wc.txt
hadoop mapreduce yarn
hdfs hadoop mapreduce
mapreduce yarn lagou
lagou
lagou
保存退出
: wq!
hdfs dfs -put wc.txt /wcinput
hadoop jar share/hadoop/mapreduce/hadoop mapreduce-examples-2.9.2.jar wordcount /wcinput /wcoutput上传并解压zookeeper-3.4.14.tar.gz
tar -zxvf zookeeper-3.4.14.tar.gz -C ../servers/修改配置⽂文件创建data与log⽬目录#创建zk存储数据⽬目录
mkdir -p /opt/lagou/servers/zookeeper-3.4.14/data
#创建zk⽇日志⽂文件⽬目录
mkdir -p /opt/lagou/servers/zookeeper-3.4.14/data/logs
#修改zk配置⽂文件
cd /opt/lagou/servers/zookeeper-3.4.14/conf
#⽂文件改名
mv zoo_sample.cfg zoo.cfg
mkdir -p /opt/lagou/servers/zookeeper-3.4.14/data
mkdir -p /opt/lagou/servers/zookeeper-3.4.14/data/logs
cd /opt/lagou/servers/zookeeper-3.4.14/conf
mv zoo_sample.cfg zoo.cfg
vim zoo.cfg
#更更新datadir
dataDir=/opt/lagou/servers/zookeeper-3.4.14/data
#增加logdir
dataLogDir=/opt/lagou/servers/zookeeper-3.4.14/data/logs
#增加集群配置
##server.服务器器ID=服务器器IP地址:服务器器之间通信端⼝口:服务器器之间投票选举端⼝口
server.1=linux121:2888:3888
server.2=linux122:2888:3888
server.3=linux123:2888:3888
#打开注释
#ZK提供了了⾃自动清理理事务⽇日志和vim /etc/profile
export HBASE_HOME=/opt/lagou/servers/hbase-1.3.1
export PATH=$PATH:$HBASE_HOME/bin⽂文件的功能,这个参数指定了了清理理频率,单位是⼩小时
autopurge.purgeInterval=1 cd /opt/lagou/servers/zookeeper-3.4.14/data
echo 1 > myid
安装包分发并修改myid的值
cd /opt/lagou/servers/hadoop-2.9.2/etc/hadoop
./rsync-script /opt/lagou/servers/zookeeper-3.4.14
修改myid值 linux122
echo 2 >/opt/lagou/servers/zookeeper-3.4.14/data/myid
修改myid值 linux123
echo 3 >/opt/lagou/servers/zookeeper-3.4.14/data/myid
依次启动三个zk实例例
启动命令(三个节点都要执⾏行行)
/opt/lagou/servers/zookeeper-3.4.14/bin/zkServer.sh start
查看zk启动情况
/opt/lagou/servers/zookeeper-3.4.14/bin/zkServer.sh status
集群启动停⽌止脚本
vim zk.sh
#!/bin/sh
echo "start zookeeper server..."
if(($#==0));then
echo "no params";
exit;
fi
hosts="linux121 linux122 linux123"
for host in $hosts
do
ssh $host "source /etc/profile; /opt/lagou/servers/zookeeper-3.4.14/bin/zkServer.sh $1"
done
chmod 777 zk.sh
./zk.sh start
./zk.sh stop
./zk.sh status1.2.4 安装mysql
解压安装包到指定的规划目录 hbase-1.3.1-bin.tar.gz
tar -zxvf hbase-1.3.1-bin.tar.gz -C /opt/lagou/serversln -s /opt/lagou/servers/hadoop-2.9.2/etc/hadoop/core-site.xml /opt/lagou/servers/hbase-1.3.1/conf/core-site.xml
ln -s /opt/lagou/servers/hadoop-2.9.2/etc/hadoop/hdfs-site.xml /opt/lagou/servers/hbase-1.3.1/conf/hdfs-site.xmlcd /opt/lagou/servers/hbase-1.3.1/conf
vim hbase-env.sh
#添加java环境变量
export JAVA_HOME=/opt/lagou/servers/jdk1.8.0_421
#指定使用外部的zk集群
export HBASE_MANAGES_ZK=FALSE
vim hbase-site.xml
<configuration>
<property>
<name>hbase.rootdir</name>
<value>hdfs://linux121:9000/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.zookeeper.quorum</name>
<value>linux121:2181,linux122:2181,linux123:2181</value>
</property>
</configuration> vim regionservers
linux121
linux122
linux123
vim backup-masters
linux122vim /etc/profile
export HBASE_HOME=/opt/lagou/servers/hbase-1.3.1
export PATH=$PATH:$HBASE_HOME/bin图片不显示无伤大雅,就是示例,步骤都在。
非常重要:
如果后续需要接入spark,flink,hive,需要提前找到匹配的版本,这是原生部署的通病。
如果服务器资源足够,建议直接使用cdh部署。
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