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Hadoop for Administrator

Hadoop - Admin

  • 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 Resource Manager 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

 

 Hadoop for Developers>>

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