HBase HA的分布式集群部署(适合3、5节点)
本博文的主要内容有:
.HBase的分布模式(3、5节点)安装
.HBase的分布模式(3、5节点)的启动
.HBase HA的分布式集群的安装
.HBase HA的分布式集群的启动
.HBase HA的切换
HBase HA分布式集群搭建———集群架构
HBase HA分布式集群搭建———安装步骤
HBase的分布模式(3、5节点)安装
1、分别对djt11、djt12、djt13、djt14、djt15的启动进程恢复到没有任何启动进程的状态。
[hadoop@djt11 hadoop]$ pwd
[hadoop@djt11 hadoop]$ jps
[hadoop@djt12 hadoop]$ jps
[hadoop@djt13 hadoop]$ jps
[hadoop@djt14 hadoop]$ jps
[hadoop@djt15 hadoop]$ jps
2、切换到app安装目录
下载HBase压缩包
[hadoop@djt11 hadoop]$ pwd
[hadoop@djt11 hadoop]$ cd ..
[hadoop@djt11 app]$ pwd
[hadoop@djt11 app]$ ls
[hadoop@djt11 app]$ rz
[hadoop@djt11 app]$ ls
[hadoop@djt11]$ tar -zxvf hbase-0.98.19-hadoop2-bin.tar.gz
[hadoop@djt11 app]$ pwd
[hadoop@djt11 app]$ ls
[hadoop@djt11 app]$ mv hbase-0.98.19-hadoop2 hbase
[hadoop@djt11 app]$ rm -rf hbase-0.98.19-hadoop2-bin.tar.gz
[hadoop@djt11 app]$ ls
[hadoop@djt11 app]$ pwd
[hadoop@djt11 app]$
[hadoop@djt11 app]$ ls
[hadoop@djt11 app]$ cd hbase/
[hadoop@djt11 hbase]$ ls
[hadoop@djt11 hbase]$ cd conf/
[hadoop@djt11 conf]$ pwd
[hadoop@djt11 conf]$ ls
[hadoop@djt11 conf]$ vi regionservers
djt13
djt14
djt15
[hadoop@djt11 conf]$ vi backup-masters
djt12
[hadoop@djt11 conf]$ cp /home/hadoop/app/hadoop/etc/hadoop/core-site.xml ./
[hadoop@djt11 conf]$ cp /home/hadoop/app/hadoop/etc/hadoop/hdfs-site.xml ./
[hadoop@djt11 conf]$ vi hbase-site.xml
<configuration>
<property>
<name>hbase.zookeeper.quorum</name>
<value>djt11,djt12,djt13,djt14,djt15</value>
</property>
<property>
<name>hbase.zookeeper.property。dataDir</name>
<value>/home/hadoop/data/zookeeper/zkdata</value>
</property>
<property>
<name>hbase.zookeeper.property.clientPort</name>
<value>2181</value>
</property>
<property>
<name>hbase.rootdir</name>
<value>hdfs://cluster1/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.tmp.dir</name>
<value>/home/hadoop/data/tmp/hbase</value>
</property>
<property>
<name>hbase.master</name>
<value>hdfs://djt11:60000</value>
</property>
</configuration>
vi hbase-env.sh
#export JAVA_HOME=/usr/java/jdk1.6.0/
修改为,
export JAVA_HOME=/home/hadoop/app/jdk1.7.0_79
export HBASE_MANAGES_ZK=true
这里,有一个知识点。
进程HQuorumPeer,设HBASE_MANAGES_ZK=true,在启动HBase时,HBase把Zookeeper作为自身的一部分运行。
进程QuorumPeerMain,设HBASE_MANAGES_ZK=false,先手动启动Zookeeper,再启动HBase。
[hadoop@djt11 conf]$ pwd
[hadoop@djt11 conf]$ su root
[root@djt11 conf]# pwd
[root@djt11 conf]# vi /etc/profile
JAVA_HOME=/home/hadoop/app/jdk1.7.0_79
ZOOKEEPER_HOME=/home/hadoop/app/zookeeper
HADOOP_HOME=/home/hadoop/app/hadoop
HIVE_HOME=/home/hadoop/app/hive
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
PATH=$JAVA_HOME/bin:$ZOOKEEPER_HOME/bin:$HADOOP_HOME/bin:$HIVE_HOME/bin:/home/hadoop/tools:$PATH
export JAVA_HOME CLASSPATH PATH ZOOKEEPER_HOME HADOOP_HOME HIVE_HOME
JAVA_HOME=/home/hadoop/app/jdk1.7.0_79
ZOOKEEPER_HOME=/home/hadoop/app/zookeeper
HADOOP_HOME=/home/hadoop/app/hadoop
HIVE_HOME=/home/hadoop/app/hive
HBASE_HOME=/home/hadoop/app/hbase
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
PATH=$JAVA_HOME/bin:$ZOOKEEPER_HOME/bin:$HADOOP_HOME/bin:$HIVE_HOME/bin:$HBASE_HOME/bin:/home/hadoop/tools:$PATH
export JAVA_HOME CLASSPATH PATH ZOOKEEPER_HOME HADOOP_HOME HIVE_HOME HBASE_HOME
[root@djt11 conf]# source /etc/profile
[root@djt11 conf]# su hadoop
这个脚本,我们之前在搭建hadoop的5节点时,已经写好并可用的。这里,我们查看下并温习。不作修改
将djt11的hbase分发到slave,即djt12、djt13、djt14、djt15
[hadoop@djt11 tools]$ pwd
[hadoop@djt11 tools]$ cd /home/hadoop/app/
[hadoop@djt11 app]$ ls
[hadoop@djt11 app]$ deploy.sh hbase /home/hadoop/app/ slave
查看分发后的结果情况
表明,分发成功!
接下来,分别也跟djt11亿元,进行djt12、djt13、djt14、djt15的配置。
djt12的配置:
[hadoop@djt12 hbase]$ pwd
[hadoop@djt12 hbase]$ ls
[hadoop@djt12 hbase]$ cd conf/
[hadoop@djt12 conf]$ pwd
[hadoop@djt12 conf]$ ls
[hadoop@djt12 conf]$ vi regionservers
都是已经配置好了的
[hadoop@djt12 conf]$ vi backup-masters
都是之前已经配置好了的
[hadoop@djt12 conf]$ cp /home/hadoop/app/hadoop/etc/hadoop/core-site.xml ./
[hadoop@djt12 conf]$ cp /home/hadoop/app/hadoop/etc/hadoop/hdfs-site.xml ./
[hadoop@djt12 conf]$ vi hbase-site.xml
<configuration>
<property>
<name>hbase.zookeeper.quorum</name>
<value>djt11,djt12,djt13,djt14,djt15</value>
</property>
<property>
<name>hbase.zookeeper.property</name>
<value>/home/hadoop/data/zookeeper/zkdata</value>
</property>
<property>
<name>hbase.zookeeper.property.clientPort</name>
<value>2181</value>
</property>
<property>
<name>hbase.rootdir</name>
<value>hdfs://cluster1/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.master</name>
<value>hdfs://djt11:60000</value>
</property>
</configuration>
[hadoop@djt12 conf]$ vi hbase-env.sh
[hadoop@djt12 conf]$ pwd
[hadoop@djt12 conf]$ su root
[root@djt12 conf]# pwd
[root@djt12 conf]# vi /etc/profile
[root@djt12 conf]# cd ..
[root@djt12 hbase]# pwd
[root@djt12 hbase]# su hadoop
[hadoop@djt12 hbase]$ pwd
[hadoop@djt12 hbase]$ ls
[hadoop@djt12 hbase]$
djt13的配置
[hadoop@djt13 app]$ pwd
[hadoop@djt13 app]$ ls
[hadoop@djt13 app]$ cd hbase/
[hadoop@djt13 hbase]$ ls
[hadoop@djt13 hbase]$ cd conf/
[hadoop@djt13 conf]$ ls
[hadoop@djt13 conf]$ vi regionservers
[hadoop@djt13 conf]$ vi backup-masters
[hadoop@djt13 conf]$ cp /home/hadoop/app/hadoop/etc/hadoop/core-site.xml ./
[hadoop@djt13 conf]$ cp /home/hadoop/app/hadoop/etc/hadoop/hdfs-site.xml ./
[hadoop@djt13 conf]$ vi hbase-site.xml
<configuration>
<property>
<name>hbase.zookeeper.quorum</name>
<value>djt11,djt12,djt13,djt14,djt15</value>
</property>
<property>
<name>hbase.zookeeper.property</name>
<value>/home/hadoop/data/zookeeper/zkdata</value>
</property>
<property>
<name>hbase.zookeeper.property.clientPort</name>
<value>2181</value>
</property>
<property>
<name>hbase.rootdir</name>
<value>hdfs://cluster1/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.master</name>
<value>hdfs://cluster1:60000</value>
</property>
(注意,我的图片里是错误的!) 因为是做了高可用,是cluster1而不是单独的djt11。cluster1包括了djt11和djt12
</configuration>
[hadoop@djt13 conf]$ pwd
[hadoop@djt13 conf]$ su root
[root@djt13 conf]# pwd
[root@djt13 conf]# vi /etc/profile
JAVA_HOME=/home/hadoop/app/jdk1.7.0_79
ZOOKEEPER_HOME=/home/hadoop/app/zookeeper
HADOOP_HOME=/home/hadoop/app/hadoop
HIVE_HOME=/home/hadoop/app/hive
HBASE_HOME=/home/hadoop/app/hbase
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
PATH=$JAVA_HOME/bin:$ZOOKEEPER_HOME/bin:$HADOOP_HOME/bin:$HIVE_HOME/bin:$HBASE_HOME/bin:/home/hadoop/tools:$PATH
export JAVA_HOME CLASSPATH PATH ZOOKEEPER_HOME HADOOP_HOME HIVE_HOME HBASE_HOME
[hadoop@djt13 conf]$ pwd
[hadoop@djt13 conf]$ su root
[root@djt13 conf]# pwd
[root@djt13 conf]# vi /etc/profile
[root@djt13 conf]# source /etc/profile
[root@djt13 conf]# cd ..
[root@djt13 hbase]# pwd
[root@djt13 hbase]# su hadoop
[hadoop@djt13 hbase]$ pwd
[hadoop@djt13 hbase]$ ls
[hadoop@djt13 hbase]$
djt14的配置
[hadoop@djt14 app]$ pwd
[hadoop@djt14 app]$ ls
[hadoop@djt14 app]$ cd hbase/
[hadoop@djt14 hbase]$ ls
[hadoop@djt14 hbase]$ cd conf/
[hadoop@djt14 conf]$ ls
[hadoop@djt14 conf]$ vi regionservers
[hadoop@djt14 conf]$ vi backup-masters
[hadoop@djt14 conf]$ cp /home/hadoop/app/hadoop/etc/hadoop/core-site.xml ./
[hadoop@djt14 conf]$ cp /home/hadoop/app/hadoop/etc/hadoop/hdfs-site.xml ./
[hadoop@djt14 conf]$ vi hbase-site.xml
<configuration>
<property>
<name>hbase.zookeeper.quorum</name>
<value>djt11,djt12,djt13,djt14,djt15</value>
</property>
<property>
<name>hbase.zookeeper.property</name>
<value>/home/hadoop/data/zookeeper/zkdata</value>
</property>
<property>
<name>hbase.zookeeper.property.clientPort</name>
<value>2181</value>
</property>
<property>
<name>hbase.rootdir</name>
<value>hdfs://cluster1/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.master</name>
<value>hdfs://djt11:60000</value>
</property>
</configuration>
[hadoop@djt14 conf]$ vi hbase-env.sh
[hadoop@djt14 conf]$ pwd
[hadoop@djt14 conf]$ su root
[root@djt14 conf]# pwd
[root@djt14 conf]# vi /etc/profile
[hadoop@djt14 conf]$ pwd
[hadoop@djt14 conf]$ su root
[root@djt14 conf]# pwd
[root@djt14 conf]# vi /etc/profile
[root@djt14 conf]# source /etc/profile
[root@djt14 conf]# cd ..
[root@djt14 hbase]# pwd
[root@djt14 hbase]# su hadoop
[hadoop@djt14 hbase]$ pwd
[hadoop@djt14 hbase]$ ls
[hadoop@djt14 hbase]$
djt15的配置
[hadoop@djt15 app]$ pwd
[hadoop@djt15 app]$ ls
[hadoop@djt15 app]$ cd hbase/
[hadoop@djt15 hbase]$ ls
[hadoop@djt15 hbase]$ cd conf/
[hadoop@djt15 conf]$ ls
[hadoop@djt15 conf]$ vi regionservers
[hadoop@djt15 conf]$ vi backup-masters
[hadoop@djt15 conf]$ cp /home/hadoop/app/hadoop/etc/hadoop/core-site.xml ./
[hadoop@djt15 conf]$ cp /home/hadoop/app/hadoop/etc/hadoop/hdfs-site.xml ./
[hadoop@djt15 conf]$ vi hbase-site.xml
<configuration>
<property>
<name>hbase.zookeeper.quorum</name>
<value>djt11,djt12,djt13,djt14,djt15</value>
</property>
<property>
<name>hbase.zookeeper.property</name>
<value>/home/hadoop/data/zookeeper/zkdata</value>
</property>
<property>
<name>hbase.zookeeper.property.clientPort</name>
<value>2181</value>
</property>
<property>
<name>hbase.rootdir</name>
<value>hdfs://cluster1/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.master</name>
<value>hdfs://djt11:60000</value>
</property>
</configuration>
[hadoop@djt15 conf]$ vi hbase-env.sh
[hadoop@djt15 conf]$ pwd
[hadoop@djt15 conf]$ su root
[root@djt15 conf]# pwd
[root@djt15 conf]# vi /etc/profile
[hadoop@djt15 conf]$ pwd
[hadoop@djt15 conf]$ su root
[root@djt15 conf]# pwd
[root@djt15 conf]# vi /etc/profile
[root@djt15 conf]# source /etc/profile
[root@djt15 conf]# cd ..
[root@djt15 hbase]# pwd
[root@djt15 hbase]# su hadoop
[hadoop@djt15 hbase]$ pwd
[hadoop@djt15 hbase]$ ls
[hadoop@djt15 hbase]$
.HBase的分布模式(3、5节点)的启动
这里,只需启动sbin/start-dfs.sh即可。
不需sbin/start-all.sh (它包括sbin/start-dfs.sh和sbin/start-yarn.sh)
启动zookeeper,是因为,hbase是建立在zookeeper之上的。数据是保存在hdfs。
[hadoop@djt11 app]$ jps
[hadoop@djt11 app]$ ls
[hadoop@djt11 app]$ cd hadoop/
[hadoop@djt11 hadoop]$ ls
[hadoop@djt11 hadoop]$ sbin/start-dfs.sh
[hadoop@djt11 hadoop]$ jps
[hadoop@djt12 hadoop]$ jps
[hadoop@djt13 app]$ cd hadoop/
[hadoop@djt13 hadoop]$ jps
[hadoop@djt14 app]$ cd hadoop/
[hadoop@djt14 hadoop]$ pwd
[hadoop@djt14 hadoop]$ jps
[hadoop@djt15 app]$ cd hadoop/
[hadoop@djt15 hadoop]$ pwd
[hadoop@djt15 hadoop]$ jps
[hadoop@djt11 hbase]$ bin/start-hbase.sh
[hadoop@djt11 hbase]$ jps
[hadoop@djt12 hbase]$ cd ..
[hadoop@djt12 app]$ ls
[hadoop@djt12 app]$ cd hbase/
[hadoop@djt12 hbase]$ pwd
[hadoop@djt12 hbase]$ jps
[hadoop@djt13 hbase]$ cd ..
[hadoop@djt13 app]$ ls
[hadoop@djt13 app]$ cd hbase/
[hadoop@djt13 hbase]$ pwd
[hadoop@djt13 hbase]$ jps
[hadoop@djt14 hbase]$ cd ..
[hadoop@djt14 app]$ ls
[hadoop@djt14 app]$ cd hbase/
[hadoop@djt14 hbase]$ pwd
[hadoop@djt14 hbase]$ jps
[hadoop@djt15 hbase]$ cd ..
[hadoop@djt15 app]$ ls
[hadoop@djt15 app]$ cd hbase/
[hadoop@djt15 hbase]$ pwd
[hadoop@djt15 hbase]$ jps
那么,djt11的master被杀死掉,则访问不到了。
然后,我们再把djt11的master启起来,
则,djt11由不可访问,变成备用的master了。djt12依然还是主用的master
成功!
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