How to Set Up a Pseudo-Distributed Mode for HBase
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Key: HBASE-5426
URL: https://issues.apache.org/jira/browse/HBASE-5426
Project: HBase
Issue Type: Improvement
Components: documentation
Affects Versions: 0.92.0
Environment: RedHat 7, Ubuntu 10
Reporter: Bing Li
Fix For: 0.92.0
Hi, all,
I just made a summary about the experiences to set up a pseudo-distributed mode
HBase.
1) RedHat 9 is not suitable for running HBase and Hadoop. I don't know the
reasons. Now Ubuntu is my choice.
2) After the pseudo-distributed mode of HDFS is configured, it is required to
configure the hbase-env.sh and hbase-site.xml. The book, HBase the Definitive
Guide, does not mentions hbase.env.xml.
3) It should set up JAVA_HOME, HBASE_CLASSPATH and HBASE_MANAGES_ZK. My
hbase-env.sh is as follows.
export JAVA_HOME=/opt/jdk1.6.1/
export HBASE_CLASSPATH=/opt/hbase-0.92.0/conf
export HBASE_OPTS="-XX:+UseConcMarkSweepGC"
export HBASE_MANAGES_ZK=true
4) When configuring hbase-site.xml, the property, hbase.cluster.distributed,
must be set also. The book, HBase the Definitive Guide, does not do that
either. My hbase-site.xml is as follows.
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>hbase.rootdir</name>
<value>hdfs://localhost:9000/hbase</value>
</property>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
</configuration>
I am a new user of HBase. Your suggestions are highly appreciated.
Best regards,
Bing
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