首先根据http://cp1985chenpeng.iteye.com/blog/1328541中配置好hadoop分布式。
然后在master上下载hive
安装hive很简单,首先解压缩。
然后配置环境变量以ubuntu为例
$sudo vim /etc/environment
添加
JAVA_HOME="/usr/lib/jvm/java-6-sun"
HADOOP_HOME="/home/hadoop/hadoop"
HBASE_HOME="/home/hadoop/hbase"
HIVE_HOME="/home/hadoop/hive"
在$HIVE_HOME/conf目录下,新建一个hive-site.xml,配置Hive元数据的存储方式(我用的是mysql存储)
注意下面配置的是hive默认的是mysql的hive数据库,用户名是hive,密码是hive。所以在进行下列操作前要用root登录mysql创建hive数据库并且分配给用户hive。
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>hive.aux.jars.path</name>
<value>file:///home/hadoop/hive/lib/hive-hbase-handler-0.7.1-cdh3u2.jar,file:///home/hadoop/hive/lib/hbase-0.90.4-cdh3u2.jar,file:///home/hadoop/hive/lib/zookeeper-3.3.1.jar </value>
</property>
<property>
<name>hbase.zookeeper.quorum</name>
<value>hostname(zookeeper配置主机名)</value>
</property>
<property>
<name>hive.metastore.local</name>
<value>true</value>
</property>
<property>
<name>javax.jdo.option.ConnectionURL</name>
<value>jdbc:mysql://localhost:3306/hive</value>
</property>
<property>
<name>javax.jdo.option.ConnectionDriverName</name>
<value>com.mysql.jdbc.Driver</value>
</property>
<property>
<name>javax.jdo.option.ConnectionUserName</name>
<value>hive</value>
</property>
<property>
<name>javax.jdo.option.ConnectionPassword</name>
<value>hive</value>
</property>
<property>
<name>datanucleus.fixedDatastore</name>
<value>false</value>
</property>
</configuration>
在执行hive前,要把mysql-connector-java-5.1.18-bin.jar加到${HIVE_HOME}/lib中。
到此hive安装完成
$HIVE_HOME/bin/hive
hive> CREATE TABLE temp (info INT);
OK
Time taken: 0.251 seconds
OK
Time taken: 0.251 seconds
hive> CREATE TABLE test(content STRING);
OK
Time taken: 0.251 seconds
Time taken: 0.251 seconds
hive> SHOW TABLES;
OK
temp
test
Time taken: 3.612 seconds
temp
test
Time taken: 3.612 seconds
然后登录mysql验证
mysql> show tables;
+-----------------+
| Tables_in_hive |
+-----------------+
| BUCKETING_COLS |
| COLUMNS |
| DATABASE_PARAMS |
| DBS |
| PARTITION_KEYS |
| SDS |
| SD_PARAMS |
| SEQUENCE_TABLE |
| SERDES |
| SERDE_PARAMS |
| SORT_COLS |
| TABLE_PARAMS |
| TBLS |
+-----------------+
13 rows in set (0.00 sec)
+-----------------+
| Tables_in_hive |
+-----------------+
| BUCKETING_COLS |
| COLUMNS |
| DATABASE_PARAMS |
| DBS |
| PARTITION_KEYS |
| SDS |
| SD_PARAMS |
| SEQUENCE_TABLE |
| SERDES |
| SERDE_PARAMS |
| SORT_COLS |
| TABLE_PARAMS |
| TBLS |
+-----------------+
13 rows in set (0.00 sec)
mysql> select * from COLUMNS;
+-------+---------+-------------+-----------+-------------+
| SD_ID | COMMENT | COLUMN_NAME | TYPE_NAME | INTEGER_IDX |
+-------+---------+-------------+-----------+-------------+
| 1 | NULL | info | int | 0 |
| 2 | NULL | content | string | 0 |
+-------+---------+-------------+-----------+-------------+
2 rows in set (0.04 sec)
+-------+---------+-------------+-----------+-------------+
| SD_ID | COMMENT | COLUMN_NAME | TYPE_NAME | INTEGER_IDX |
+-------+---------+-------------+-----------+-------------+
| 1 | NULL | info | int | 0 |
| 2 | NULL | content | string | 0 |
+-------+---------+-------------+-----------+-------------+
2 rows in set (0.04 sec)
到此hive配置成功!