Database Reference
In-Depth Information
5.
Once
HBASE_HOME
is added to the proile, either close the command window
and reopen it or run the following command; this step is required to reload
the latest proile settings for the user:
[root@localhost opt]# source /etc/profile
6. Edit the coniguration ile,
conf/hbase-site.xml
, and set the data directory
for HBase by assigning a value to the property key named
hbase.rootdir
and
hbase.zookeeper.property.dataDir
, as follows:
<property>
<name>hbase.rootdir</name>
<value>file:///opt/myhbase/datadirectory</value>
</property>
<property>
<name>hbase.zookeeper.property.dataDir</name>
<value>/opt/myhbase/zookeeper</value>
</property>
The default base directory value for the
hbase.rootdir
and
hbase.
zookeeper.property.dataDir
properties is
/tmp/hbase-${user.
name}
, that is,
/tmp/hbase-root
for the "root" user which may lead to
the possibility of data loss at the time of server reboot. Hence, it is always
advisable to set the value for this property to avoid a data-loss scenario.
7.
Start HBase and verify the output with the following command:
[root@localhost opt]# cd /opt/myhbase/hbase-0.98.7-hadoop2
[root@localhost hbase-0.98.7-hadoop2]# bin/start-hbase.sh
This gives the following output:
