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Required Skills for CCA131 : Cloudera Hadoop Admin Certification:

         Install : Demonstrate an understanding of the installation process for Cloudera Manager, CDH, and the ecosystem projects.

• • Set up a local CDH repository

  • Perform OS-level configuration for Hadoop installation

  • Install Cloudera Manager server and agents

  • Install CDH using Cloudera Manager

  • Add a new node to an existing cluster

  • Add a service using Cloudera Manager

• Configure : Perform basic and advanced configuration needed to effectively administer a Hadoop cluster

  • Configure a service using Cloudera Manager

  • Create an HDFS user's home directory

  • Configure NameNode HA

  • Configure ResourceManager HA

  • Configure proxy for Hiveserver2/Impala

• Manage : Maintain and modify the cluster to support day-to-day operations in the enterprise

  • Rebalance the cluster

  • Set up alerting for excessive disk fill

  • Define and install a rack topology script

  • Install new type of I/O compression library in cluster

  • Revise YARN resource assignment based on user feedback

  • Commission/decommission a node

• Secure : Enable relevant services and configure the cluster to meet goals defined by security policy; demonstrate knowledge of basic security practices

  • Configure HDFS ACLs

  • Install and configure Sentry

  • Configure Hue user authorization and authentication

  • Enable/configure log and query redaction

  • Create encrypted zones in HDFS

• Test : Benchmark the cluster operational metrics, test system configuration for operation and efficiency

  • Execute file system commands via HTTPFS

  • Efficiently copy data within a cluster/between clusters

  • Create/restore a snapshot of an HDFS directory

  • Get/set ACLs for a file or directory structure

  • Benchmark the cluster (I/O, CPU, network)

• Troubleshoot : Demonstrate ability to find the root cause of a problem, optimize inefficient execution, and resolve resource contention scenarios

  • Resolve errors/warnings in Cloudera Manager

  • Resolve performance problems/errors in cluster operation

  • Determine reason for application failure

  • Configure the Fair Scheduler to resolve application delays