CLOUDERA ADMINISTRATOR
Cloudera Administrators are IT professionals responsible for deploying, managing, monitoring, and securing Cloudera’s enterprise data platforms—typically Cloudera Distribution including Apache Hadoop (CDH) or Cloudera Data Platform (CDP).
Key Responsibilities of Cloudera Administrators:
Installation and Configuration
Install Cloudera Manager and associated services (HDFS, YARN, Hive, Impala, etc.).
Set up clusters in on-premises, cloud, or hybrid environments.
Configure services, roles, and parameters based on workload needs.
Cluster Management
Manage and monitor cluster health, performance, and capacity.
Add/remove nodes or services as required.
Apply updates, patches, and upgrades safely.
Security and Access Control
Implement Kerberos authentication.
Manage user and group permissions with Apache Ranger or Sentry.
Configure TLS/SSL for secure communication.
Monitoring and Troubleshooting
Use Cloudera Manager for real-time monitoring and alerting.
Analyze logs, resolve service failures, and tune system performance.
Handle data node failures, job failures, and resource allocation issues.
Backup and Disaster Recovery
Set up HDFS snapshots and data replication.
Use tools like Cloudera BDR (Backup and Disaster Recovery) for data protection
Resource Management
Configure YARN for workload management and resource allocation.
Monitor resource usage and adjust quotas/scheduling as needed.
Integration and Automation
Integrate with external systems (e.g., LDAP, Active Directory, cloud services).
Automate repetitive tasks using scripts or tools like Ansible.
Skills Required
Deep knowledge of Hadoop ecosystem tools (HDFS, Hive, HBase, etc.).
Experience with Cloudera Manager and CDP/CDH.
Strong Linux administration skills.
Familiarity with scripting languages (Bash, Python).
Understanding of networking, security, and storage in distributed systems