大数据学习hadoop3.1.3——Sqoop安装

1 下载并解压

1）下载地址：http://mirrors.hust.edu.cn/apache/sqoop/1.4.6/

2）上传安装包sqoop-1.4.6.bin__hadoop-2.0.4-alpha.tar.gz到hadoop102的/opt/software路径中

3）解压sqoop安装包到指定目录，如：

 tar -zxf sqoop-1.4.6.bin__hadoop-2.0.4-alpha.tar.gz -C /opt/module/

4）解压sqoop安装包到指定目录，如：

 mv sqoop-1.4.6.bin__hadoop-2.0.4-alpha/ sqoop

2 修改配置文件

1) 进入到/opt/module/sqoop/conf目录，重命名配置文件

 mv sqoop-env-template.sh sqoop-env.sh

2) 修改配置文件

 vim sqoop-env.sh 

增加如下内容

 export HADOOP_COMMON_HOME=/opt/module/hadoop-3.1.3
 export HADOOP_MAPRED_HOME=/opt/module/hadoop-3.1.3
 export HIVE_HOME=/opt/module/hive
 export ZOOKEEPER_HOME=/opt/module/zookeeper-3.5.7
 export ZOOCFGDIR=/opt/module/zookeeper-3.5.7/conf

3 拷贝JDBC驱动

1）将mysql-connector-java-5.1.48.jar 上传到/opt/software路径

2）进入到/opt/software/路径，拷贝jdbc驱动到sqoop的lib目录下

 cp mysql-connector-java-5.1.48.jar /opt/module/sqoop/lib/

4 验证Sqoop

我们可以通过某一个command来验证sqoop配置是否正确：

 bin/sqoop help

出现一些Warning警告（警告信息已省略），并伴随着帮助命令的输出：
Available commands:
codegen Generate code to interact with database records
create-hive-table Import a table definition into Hive
eval Evaluate a SQL statement and display the results
export Export an HDFS directory to a database table
help List available commands
import Import a table from a database to HDFS
import-all-tables Import tables from a database to HDFS
import-mainframe Import datasets from a mainframe server to HDFS
job Work with saved jobs
list-databases List available databases on a server
list-tables List available tables in a database
merge Merge results of incremental imports
metastore Run a standalone Sqoop metastore
version Display version information

5 测试Sqoop是否能够成功连接数据库

 bin/sqoop list-databases --connect jdbc:mysql://hadoop102:3306/ --username root --password 000000

出现如下输出：
information_schema
metastore
mysql
oozie
performance_schema