Hive的安装

1.上传安装包解压

tar zxvf apache-hive-3.1.2-bin.tar.gz# 解决Hive与Hadoop之间guava版本差异
cd /export/server/apache-hive-3.1.2-bin/
rm -rf lib/guava-19.0.jar
cp /export/server/hadoop-3.3.0/share/hadoop/common/lib/guava-27.0-jre.jar ./lib/

2.修改配置文件

hive-env.sh

cd /export/server/apache-hive-3.1.2-bin/conf
mv hive-env.sh.template hive-env.shvim hive-env.sh
export HADOOP_HOME=/export/server/hadoop-3.3.0
export HIVE_CONF_DIR=/export/server/apache-hive-3.1.2-bin/conf
export HIVE_AUX_JARS_PATH=/export/server/apache-hive-3.1.2-bin/lib

hive-site.xml

vim hive-site.xml

<configuration><!-- 存储元数据mysql相关配置 --><property><name>javax.jdo.option.ConnectionURL</name><value>jdbc:mysql://node1:3306/hive3?createDatabaseIfNotExist=true&amp;useSSL=false</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>你的数据库密码</value></property><!-- H2S运行绑定host --><property><name>hive.server2.thrift.bind.host</name><value>node1</value></property><!-- 远程模式部署metastore metastore地址 --><property><name>hive.metastore.uris</name><value>thrift://node1:9083</value></property><!-- 关闭元数据存储授权  --> <property><name>hive.metastore.event.db.notification.api.auth</name><value>false</value></property>
</configuration>

3.初始化元数据

# 上传mysql jdbc驱动到hive安装包lib下cd /export/server/apache-hive-3.1.2-bin/bin/schematool -initSchema -dbType mysql -verbos
#初始化成功会在mysql中创建74张表# 在hdfs创建hive存储目录
hadoop fs -mkdir /tmp
hadoop fs -mkdir -p /user/hive/warehouse
hadoop fs -chmod g+w /tmp
hadoop fs -chmod g+w /user/hive/warehouse

4.启动hive

**启动metastore服务 **

#前台启动  关闭ctrl+c
/export/server/apache-hive-3.1.2-bin/bin/hive --service metastore#前台启动开启debug日志
/export/server/apache-hive-3.1.2-bin/bin/hive --service metastore --hiveconf hive.root.logger=DEBUG,console  #后台启动 进程挂起  关闭使用jps+ kill -9
nohup /export/server/apache-hive-3.1.2-bin/bin/hive --service metastore &

启动hiveserver2服务

  nohup /export/server/apache-hive-3.1.2-bin/bin/hive --service hiveserver2 &#注意 启动hiveserver2需要一定的时间  不要启动之后立即beeline连接 可能连接不上

beeline客户端连接

# 拷贝node1安装包到beeline客户端机器上（node3）
scp -r /export/server/apache-hive-3.1.2-bin/ node3:/export/server/# 连接访问
/export/server/apache-hive-3.1.2-bin/bin/beelinebeeline> ! connect jdbc:hive2://node1:10000
beeline> root
beeline> 直接回车