HBase 高可用搭建

一、节点规划

hadoop1、hadoop2	HMaster
hadoop3、hadoop4、hadoop5	HRegionServer

二、配置环境变量

export HBASE_HOME=/usr/local/hbase
export PATH=:$HBASE_HOME/bin:$PATH

三、解压hbase

四、修改配置参数
1.hbase-env.sh

[root@hadoop1 ~]# cat /usr/local/hbase/conf/hbase-env.sh | grep -v [#] | grep -v '^$'
export JAVA_HOME=/usr/local/jdk
export HBASE_CLASSPATH=/usr/local/hbase/conf
export HADOOP_HOME=/usr/local/hadoop
export HBASE_OPTS="-XX:+UseConcMarkSweepGC"
export HBASE_MANAGES_ZK=false

2.hbase-site.xml

<configuration>
<property>
<name>hbase.rootdir</name>
<value>hdfs://master:/hbase</value>
</property>
<property>
<name>hbase.master</name>
<value>60000</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.zookeeper.property.dataDir</name>
<value>/usr/local/zookeeper</value>
</property>
<property>
<name>hbase.tmp.dir</name>
<value>/usr/local/hbase/tmp</value>
</property>
<property>
<name>hbase.zookeeper.quorum</name>
<value>hadoop3,hadoop4,hadoop5</value>
</property>
<property>
<name>hbase.zookeeper.property.clientPort</name>
<value>2181</value>
</property>
</configuration>

3.regionservers

[root@hadoop1 ~]# cat /usr/local/hbase/conf/regionservers
hadoop3
hadoop4
hadoop5

五、拷贝到其他节点

scp -r /usr/local/hbase root@hadoop2:/usr/local/

六、启动hbase（需要先启动hdfs）

start-hbase.sh

[root@hadoop1 ~]# jps
3040 DFSZKFailoverController
4281 HMaster
5034 Jps
2303 NameNode

在hadoop2上启动HMaster实现HA

[root@hadoop2 ~]# hbase-daemon.sh start master
starting master, logging to /usr/local/hbase/logs/hbase-root-master-hadoop2.out
[root@hadoop2 ~]# jps
2450 NameNode
2714 DFSZKFailoverController
3085 HMaster
3150 Jps