IT learning / Hadoop Administration
Hadoop Administration.
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Subject outline
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An indicative learning outline based on common industry topics. Confirm the latest syllabus and coverage with our team. This is not a guarantee of course availability, certification or placement.
Hadoop architecture and prerequisites
- HDFS, YARN and MapReduce roles
- NameNode, DataNode, ResourceManager and NodeManager
- Linux, Java, networking and service-account prerequisites
Cluster installation and configuration
- Single-node and multi-node deployment concepts
- core-site.xml, hdfs-site.xml, yarn-site.xml and mapred-site.xml
- Daemon environment settings and rack awareness
HDFS administration
- File-system commands, permissions and ownership
- Replication, capacity and quota management
- Cluster health, filesystem checks and balancing
YARN and workload operations
- ResourceManager and NodeManager administration
- Application monitoring and resource allocation
- Job history, log aggregation and service lifecycle
Security and access control
- Kerberos authentication fundamentals
- Service principals and keytabs
- Authorization, filesystem permissions and transport protection
High availability and recovery
- Active and standby NameNodes with JournalNodes
- ZooKeeper and automatic failover concepts
- Metadata protection, snapshots and recovery planning
Monitoring and maintenance
- Web interfaces, logs and health checks
- Adding and decommissioning nodes
- Troubleshooting service, storage and workload issues
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