hive安装配置

下载hive 0.13.1 解压

在etc/profile里配置环境变量

修改hive/conf下配置文件

#hive-site.xml
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>

<configuration>
  <property>
    <name>hive.metastore.warehouse.dir</name>
    <value>hdfs://101.200.200.114:9008/hive/warehouse</value>#hdfs下的目录
    <description>location of default database for the warehouse</description>
  </property>
  #存放hive相关日志的目录
  <property>
    <name>hive.querylog.location</name>
    <value>/usr/local/hadoop/apache-hive-0.13.1-bin/yj_data/log</value>#需要自己手动创建对应目录
    <description>
      Location of Hive run time structured log file
    </description>
  </property> 
  <!--
  <property>
    <name>hive.metastore.uris</name>
    <value>10000</value>
  </property>
  -->
  <property>
    <name>javax.jdo.option.ConnectionURL</name>
    <value>jdbc:mysql://101.200.200.114:3306/db_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>root</value>
  </property>
  <property>
    <name>javax.jdo.option.ConnectionPassword</name>
    <value>root</value>
  </property> 
</configuration>

#hive-env.sh
export HADOOP_HEAPSIZE=1024
HADOOP_HOME=/usr/local/hadoop/hadoop-1.2.1
export HIVE_CONF_DIR=/usr/local/hadoop/apache-hive-0.13.1-bin/conf
export HIVE_AUX_JARS_PATH=/usr/local/hadoop/apache-hive-0.13.1-bin/lib

rz mysql驱动到hive/lib下

创建表

create table cite(citing INT, cited INT) row format delimited fields terminated by ',' stored as textfile;

show tables;

describe cite;

下载数据http://www.nber.org/patents/

导入数据

load data local inpath '/home/xuqiang/hadoop/data/cite75_99.txt'
> overwrite into table cite;

select * from cite limit 10;

select count(1) from cite;

drop table cite;