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- Release Notes and Announcements
- Product Introduction
- Purchase Guide
- Getting Started
- EMR on CVM Operation Guide
- Planning Cluster
- Configuring Cluster
- Managing Cluster
- Instance Information
- Node Specification Management
- Checking and Updating Public IP
- Logging in to Clusters
- Cluster Scale-Out
- Cluster Scale-in
- Releasing Now
- Auto Scaling
- Graceful Scale-In
- Changing Configurations
- Automatic Replacement
- Exporting Software Configuration
- Cluster Scripts
- Cluster Termination
- Operation Logs
- Task Center
- Disk Management
- Managing Service
- Monitoring and Alarms
- Cluster Overview
- Node Status
- Service Status
- Cluster Event
- Log
- Application Analysis
- Cluster Inspection
- Java Analysis
- Monitoring Metrics
- Node Monitoring Metrics
- HDFS Monitoring Metrics
- YARN Monitoring Metrics
- ZooKeeper Monitoring Metrics
- HBase Monitoring Metrics
- Hive Monitoring Metrics
- Spark Monitoring Metrics
- Presto Monitoring Metrics
- Trino Monitoring Metrics
- ClickHouse Monitoring Metrics
- Druid Monitoring Metrics
- Kudu Monitoring Metrics
- Alluxio Monitoring Metrics
- PrestoSQL Monitoring Metrics
- Impala Monitoring Metrics
- Ranger Monitoring Metrics
- COSRanger Monitoring Metrics
- Doris Monitoring Metrics
- Kylin Monitoring Metrics
- Zeppelin Monitoring Metrics
- Oozie Monitoring Metrics
- Storm Monitoring Metrics
- Livy Monitoring Metrics
- Kyuubi Monitoring Metrics
- StarRocks Monitoring Metrics
- Kafka Monitoring Metrics
- Alarm Configurations
- Alarm Records
- EMR on TKE Operation Guide
- EMR Lite HBase Operation Guide
- EMR Development Guide
- Hadoop Development Guide
- HDFS Common Operations
- HDFS Federation Management Development Guide
- HDFS Federation Management
- Submitting MapReduce Tasks
- Automatically Adding Task Nodes Without Assigning ApplicationMasters
- YARN Task Queue Management
- Practices on YARN Label Scheduling
- Hadoop Practical Tutorial
- Using API to Analyze Data in HDFS and COS
- Dumping YARN Job Logs to COS
- Spark Development Guide
- Hbase Development Guide
- Phoenix on Hbase Development Guide
- Hive Development Guide
- Presto Development Guide
- Sqoop Development Guide
- Hue Development Guide
- Oozie Development Guide
- Flume Development Guide
- Kerberos Development Guide
- Knox Development Guide
- Alluxio Development Guide
- Kylin Development Guide
- Livy Development Guide
- Kyuubi Development Guide
- Zeppelin Development Guide
- Hudi Development Guide
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- Impala Development Guide
- Druid Development Guide
- TensorFlow Development Guide
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- Ranger Development Guide
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This document introduces the configuration and use of LDAP in Hive on EMR.
Development Preparation
Make sure you have activated Tencent Cloud and created an EMR cluster. For more details, see Creating a Cluster.
Create a Hadoop default scene cluster and select the Hive component in the software configuration interface.
Enabling LDAP Authentication
Enter the EMR console, click Cluster Services > HIVE > Configuration Management, select the hive-site.xml configuration file, add the following configuration items, set parameter values, save the configuration and deploy it, and then restart HiveServer2:
Parameter | Value | Remarks |
hive.server2.authentication | LDAP | Set the authentication mechanism to LDAP. |
hive.server2.authentication.ldap.url | ldap://$l{dap_ip}:389 | Specify the URL for the LDAP service. ${ldap_ip} represents the IP address of the OPENLDAP service node, which can be found under Cluster Services > OPENLDAP in the EMR console. For a self-built LDAP service, fill in the details according to your actual setup. |
hive.server2.authentication.ldap.baseDN | ou=People,dc=emr,dc=cloud,dc=tencent,dc=com | The Base DN where the LDAP service user is located in EMR. For a self-built LDAP service, fill in the details according to your actual setup. |
hive.server2.authentication.ldap.guidKey | cn | The LDAP service username format in EMR. For a self-built LDAP service, fill in the details according to your actual setup. |
Accessing HiveServer2
After enabling LDAP authentication, you will need to provide the LDAP username and password to access HiveServer2.
Connecting to Hive with Beeline Client
beeline -u "jdbc:hive2://${hs2_ip}:${hs2_port}" -n ${user} -p ${password}
Connecting to Hive with JDBC
jdbc:hive2://${hs2_ip}:${hs2_port}/default;user=${user};password=${password}
Note:
1. ${user} represents the LDAP username.
2. ${password} represents the LDAP password.
3. ${hs2_ip} is the private IP address of the node where the HiveServer2 service is deployed. You can view it on the cluster details page under Cluster Services > Hive > Role Management.
4. ${hs2_port} is the port number of the HiveServer2 in the cluster, with a default value of 7001. You can view it on the cluster details page under Cluster Services > Hive > Configuration Management by checking the hive.server2.thrift.port setting in the hive-site.xml configuration file.
Note:
After integrating Hive with EMR OpenLDAP and adding a new user, grant 644 permissions to the /emr/hive directory under HDFS for the new user to access.
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