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Modifying the HBase Configuration Files

All HBase configuration files are stored in the $HBASE_HOME/conf directory. Before modifying the configuration files, switch to this directory.

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cd $HBASE_HOME/conf

Modifying the hbase-env.sh File

  1. Open the hbase-env.sh file.
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    vi hbase-env.sh
  2. Press i to enter the insert mode, change the value of the environment variable JAVA_HOME to an absolute path, and set HBASE_MANAGES_ZK to false.
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    export JAVA_HOME=/usr/local/jdk8u252-b09
export HBASE_MANAGES_ZK=false
export HBASE_LIBRARY_PATH=/usr/local/hadoop/lib/native
  3. Press Esc, type :wq!, and press Enter to save the file and exit.

Modifying the hbase-site.xml File

  1. Open the hbase-site.xml file.
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    vi hbase-site.xml
  2. Press i to enter the insert mode and add or modify parameters in the configuration tag range.
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    <configuration>
    <property>
        <name>hbase.rootdir</name>
        <value>hdfs://server1:9000/HBase</value>
    </property>
    <property>
        <name>hbase.tmp.dir</name>
        <value>/usr/local/hbase/tmp</value>
    </property>
    <property>
        <name>hbase.cluster.distributed</name>
        <value>true</value>
    </property>
    <property>
        <name>hbase.unsafe.stream.capability.enforce</name>
        <value>false</value>
    </property>
    <property>
        <name>hbase.zookeeper.quorum</name>
        <value>agent1:2181,agent2:2181,agent3:2181</value>
    </property>
    <property>
        <name>hbase.unsafe.stream.capability.enforce</name>
        <value>false</value>
    </property>
</configuration>
  3. Press Esc, type :wq!, and press Enter to save the file and exit.

Modifying the regionservers File

  1. Open the regionservers file.
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    vi regionservers
  2. Press i to enter the insert mode and replace the content of the regionservers file with the IP address of the agent node (which can be replaced by the host name).
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    agent1
agent2
agent3
  3. Press Esc, type :wq!, and press Enter to save the file and exit.

Copying hdfs-site.xml

Copy the hdfs-site.xml file of Hadoop to the hbase/conf/ directory. You can use a soft link or copy the file.
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cp /usr/local/hadoop/etc/hadoop/hdfs-site.xml /usr/local/hbase/conf/hdfs-site.xml
Parent topic: Deploying HBase