Apache HBase - 설치[ Install ]

[ 필요조건 ]

 

1. Java가 설치되어있어야 함

 

[root@hadoop01 ~]# java -version

openjdk version "1.8.0_252"

 

 

2. Hadoop이 설치되어있어야 함

 

[root@hadoop01 ~]# hadoop version

Hadoop 3.2.1

......

 

 

3. 경로 환경설정

 

[root@hadoop01 ~]# vi /etc/profile

...맨 밑줄에

export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.252.b09-2.el7_8.x86_64

export HADOOP_HOME=/usr/local/hadoop/hadoop-3.2.1

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

export CLASSPATH=$JAVA_HOME/lib:$CLASSPATH

 

 

4. Hadoop 설정파일

 

core-site.xml :

Hadoop 인스턴스에 사양되는 포트번호, 파일시스템 할당된 메모리, 데이터저장을 위한 메모리, 읽기/쓰기 버퍼사이즈 등의 정보가 담겨져있다.

<configuration>
   <property>
      <name>fs.default.name</name>
      <value>hdfs://localhost:9000</value>
   </property>
</configuration>

 

hdfs-site.xml:

로컬파일시스템의 데이터복제 값, 네임노드 및 데이터노드 경로와 같은 정보가 담겨져있다.

<configuration>
   <property>
      <name>dfs.replication</name >
      <value>1</value>
   </property>
	
   <property>
      <name>dfs.name.dir</name>
      <value>file:///home/hadoop/hadoopinfra/hdfs/namenode</value>
   </property>
	
   <property>
      <name>dfs.data.dir</name>
      <value>file:///home/hadoop/hadoopinfra/hdfs/datanode</value>
   </property>
</configuration>

 

yarn-site.xml:

yarn에 대한 설정파일

<configuration>
   <property>
      <name>yarn.nodemanager.aux-services</name>
      <value>mapreduce_shuffle</value>
   </property>
</configuration>

 

mapred-site.xml:

MapReduce 프레임워크를 사용하기 위한 설정

<configuration>
   <property>
      <name>mapreduce.framework.name</name>
      <value>yarn</value>
   </property>
</configuration>

 

 

5. Hadoop 설치 확인

 

MapReduce 프레임

$ cd ~

$ hdfs namenode -format

$ start-dfs.sh

$ start-yarn.sh

$ jps

http://localhost:50070 : Accessing Hadoop on Browser

http://localhost:8088 : Verify all Applications of Cluster

 

[ HBase 설치 ]

$ cd /usr/local

$ wget http://mirror.navercorp.com/apache/hbase/stable/hbase-2.2.4-bin.tar.gz

$ tar -zxvf hbase-2.2.4-bin.tar.gz

 

[ HBase 설정파일 ]

$cd hbase-2.2.4/conf/

hbase-env.sh :

HBase의 Java Home을 설정한다.

export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.252.b09-2.el7_8.x86_64

 

hbase-site.xml :

HBase의 메인 구성파일. 아래코드 추가

<configuration>
   //Here you have to set the path where you want HBase to store its files.
   <property>
      <name>hbase.rootdir</name>
      <value>file:/usr/local/hbase-2.2.4/HBase/HFiles</value>
   </property>
   
    //Here you have to set the path where you want HBase to store its built in zookeeper  files.
   <property>
      <name>hbase.zookeeper.property.dataDir</name>
      <value>/usr/local/zookeeper</value>
   </property>
</configuration>

 

[ 실행 ]

$ /usr/local/hbase-2.2.4/bin/start-hbase.sh

( $ /usr/local/hbase-2.2.4/bin/stop-hbase.sh )

 

[ Shell ]

$/usr/local/hbase-2.2.4/bin/hbase shell