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INFOSERVE offers a complete system administration services for Cloudera Distribution for Hadoop (CDH) that includes installation, configuration and troubleshooting of Hadoop. We cover the following

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
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