Linux平台HBase单机版安装和配置步骤
下载HBase for linux平台的tar包并解压缩,本例为hbase-0.92.
# tar zxvf hbase-0.92.
进⼊Hbase⽬录hbase-0.92.1
[root@test31 ~]# cd hbase-0.92.1
[root@test31 hbase-0.92.1]#
⼀.修改conf/hbase-env.sh
1).到JAVA_HOME配置项,取消注释项,并把JAVA_HOME的值改为本机上安装的JDK安装位置jdk_1.7.0_79
export JAVA_HOME=/root/jdk_1.7.0_79
2).到ZooKeeper的HBASE_MANAGES_ZK配置项,取消注释,并将其值设置为true,否则执⾏create table会报以下错误: ZooKeeper exists failed after 3 retries
3).修改本机的/etc/hosts值,将本IP和主机名做⼀个映射,例如下⾯的配置:
[root@test31 conf]# cat /etc/hosts
127.0.0.1  localhost localhost.localdomain localhost4 localhost4.localdomain4 test31
::1        localhost localhost.localdomain localhost6 localhost6.localdomain6
172.16.16.36 test31
⼆.修改l,配置选择HBase将数据写到哪个⽬录,本例为/root/hbase,配置⽂件内容如下:
<configuration>
<property>
<name&dir</name>
<value>file:/root/hbase</value>
</property>
</configuration>
以上两⼤步配置完成后,就可以启动HBase了.
启动命令如下:
[root@test31 bin]# ./start-hbase.sh
starting master, logging to /root/hbase-0.92.1/bin/../logs/hbase-root-master-test31.out
⽤shell连接你的HBase
[root@test31 bin]# ./hbase shell
HBase Shell; enter 'help<RETURN>' for list of supported commands.
Type "exit<RETURN>" to leave the HBase Shell
Version 0.92.1, r1298924, Fri Mar  9 16:58:34 UTC 2012
hbase(main):001:0> status
1 servers, 0 dead, 2.0000 average load
创建test表:
hbase(main):003:0> create 'test', 'cf'
0 row(s) in 1.3410 seconds
hbase(main):004:0> list
TABLE
test
向test表⾥写⼊三⾏数据:
hbase(main):005:0> put 'test', 'row1', 'cf:a', 'value1'
0 row(s) in 0.1110 seconds
hbase(main):006:0>
hbase(main):007:0*
hbase(main):008:0* put 'test', 'row2', 'cf:b', 'value2'
0 row(s) in 0.0070 seconds
hbase(main):009:0> put 'test', 'row3', 'cf:c', 'value3'
0 row(s) in 0.0080 seconds
查看test表内容:linux安装jdk16
hbase(main):010:0> scan 'test'
ROW                                  COLUMN+CELL
row1                                column=cf:a, timestamp=1488243635205, value=value1  row2                                column=cf:b, timestamp=1488243644421, value=value2  row3                                column=cf:c, timestamp=1488243653378, value=value3 3 row(s) in 0.0430 seconds
Get第⼀条记录:
hbase(main):011:0> get 'test', 'row1'
COLUMN                              CELL
cf:a                                timestamp=1488243635205, value=value1
1 row(s) in 0.0540 seconds
Get第⼆条记录:
hbase(main):008:0> get 'test','row2'
COLUMN                              CELL
cf:b                                timestamp=1488243644421, value=value2
1 row(s) in 0.0090 seconds
我们查看数据的写⼊⽬录,发现⽣成了以下⽂件和⽬录,说明写⼊成功:
[root@test31 hbase]# cd /root/hbase
[root@test31 hbase]# ll
总⽤量 16
-rwxrwxrwx. 1 root root  38 2⽉  28 08:51 hbase.id
-rwxrwxrwx. 1 root root    3 2⽉  28 08:51 hbase.version
drwxr-xr-x. 4 root root 4096 2⽉  28 08:51 -ROOT-
drwxr-xr-x. 4 root root 4096 2⽉  28 09:00 test
运⾏停⽌脚本来停⽌HBase:
[root@test31 bin]# ./stop-hbase.sh