HBase的伪分布式依赖于Hadoop的环境,所以需要配置Hadoop,完全分布式,HA都可以。这里依照最简单的Hadoop完全分布式配置。 HBASE 理论

1. Hadoop的配置

Hadoop 完全分布式 Hadoop HA

2.HBase完全分布式[内置zookeeper]

基于Hadoop伪分布式

[root@hadoop001 ~]# /export/conf/jps.sh

==========hadoop001的JPS=============

3859 ResourceManager

3525 DataNode

4374 Jps

3322 NameNode

3994 NodeManager

==========hadoop002的JPS=============

5296 SecondaryNameNode

5473 NodeManager

5665 Jps

5101 DataNode

==========hadoop003的JPS=============

3360 NodeManager

3552 Jps

3153 DataNode

2.1 copy文件到/export/software下并解压hbase

[root@hadoop001 software]# ls -ll

total 488868

-rw-r--r-- 1 root root 214092195 Apr 18 18:54 hadoop-2.7.3.tar.gz

-rw-r--r-- 1 root root 104659474 May 26 2021 hbase-1.2.6-bin.tar.gz

-rw-r--r-- 1 root root 146799982 Apr 18 18:55 jdk-8u311-linux-x64.tar.gz

-rw-r--r-- 1 root root 35042811 Mar 24 00:37 zookeeper-3.4.10.tar.gz

[root@hadoop001 software]# tar -xzvf /export/software/hbase-1.2.6-bin.tar.gz -C /export/servers/

[root@hadoop001 software]# cd /export/servers/

[root@hadoop001 servers]# ls -ll

total 12

drwxr-xr-x 10 root root 150 Jun 6 18:12 ha

lrwxrwxrwx 1 root root 29 Jun 6 20:41 hadoop -> /export/servers/hadoop-2.7.3/

drwxr-xr-x 10 root root 4096 Aug 17 2016 hadoop-2.7.3

drwxr-xr-x 7 root root 150 Jun 12 06:57 hbase-1.2.6

lrwxrwxrwx 1 root root 13 Apr 18 18:59 jdk -> jdk1.8.0_311/

drwxr-xr-x 8 10143 10143 4096 Sep 27 2021 jdk1.8.0_311

lrwxrwxrwx 1 root root 17 May 30 18:43 zookeeper -> zookeeper-3.4.10/

drwxr-xr-x 10 1001 1001 4096 Mar 23 2017 zookeeper-3.4.10

2.2 配置hbase环境变量

[root@hadoop001 servers]# vi /etc/profile.d/hadoop_env.sh

#在这里插入代码片

export JAVA_HOME=/export/servers/jdk

export ZOOKEEPER_HOME=/export/servers/zookeeper

export HADOOP_HOME=/export/servers/hadoop

export HBASE_HOME=/export/servers/hbase-1.2.6

export PATH=$PATH:$JAVA_HOME/bin:$ZOOKEEPER_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$HBASE_HOME/bin

#source /etc/profile.d/hadoop_env.sh使得配置生效

[root@hadoop001 servers]# source /etc/profile.d/hadoop_env.sh

2.3 为 $HBASE_HOME/conf/hbase-env.sh配置JAVA_HOME

由于HBase依赖JAVA_HOME环境变量,所以要编辑$HBASE_HOME/conf/hbase-env.sh文件,并取消注释以#export JAVA_HOME =开头的行,然后将其设置为Java安装路径。

[root@hadoop001 servers]# vi $HBASE_HOME/conf/hbase-env.sh

#取消JAVA_HOME的注释,并设置JAVA_HOME

export JAVA_HOME=/export/servers/jdk

2.4 配置hbase使用的 zookeeper

# Tell HBase whether it should manage it's own instance of Zookeeper or not.

# export HBASE_MANAGES_ZK=true

语句【export HBASE_MANAGES_ZK=true】表示采用HBase自带的ZooKeeper管理。如果想用外部ZooKeeper管理HBase,可以自行安装、配置ZooKeeper,再把该句删除。

2.5 $HBASE_HOME/conf/hbase-site.xml

[root@hadoop001 servers]# vi $HBASE_HOME/conf/hbase-site.xml

hbase.cluster.distributed

true

hbase.rootdir

hdfs://hadoop001:9000/hbase

hbase.zookeeper.quorum

hadoop001,hadoop002,hadoop003

hbase.master.info.port

60010

hbase.zookeeper.property.dataDir

/export/data/hbase/zookeeper

2.6 配置 $HBASE_HOME/conf/regionservers

[root@hadoop001 servers]# vi $HBASE_HOME/conf/regionservers

#修改内容如下

hadoop001

hadoop002

hadoop003

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