Hadoop Admin Online Training

Keen technologies provides hadoop online training with professionals across the world.

The following are the some of concepts : What is Cloud Computing What is Grid Computing What is Virtualization How above three are inter-related to each other What is Big Data Introduction to Analytics and the need for big data analytics Hadoop Solutions - Big Picture Hadoop distributions Comparing Hadoop Vs. Traditional systems Volunteer Computing Data Retrieval - Radom Access Vs. Sequential Access NoSQL DatabasesThe Motivation for Hadoop Problems with traditional large-scale systems Requirements for a new approachHadoop: Basic Concepts What is Hadoop? The Hadoop Distributed File System How MapReduce Works Anatomy of a Hadoop ClusterHadoop Demons Namenode Datanode Secondary namenode Job tracker Task trackerHDFS at detail Blocks and Splits

Replication Data high availability Data Integrity Cluster architecture and block placementProgramming Practices & Performance Tuning Developing MapReduce Programs in Local Mode Pseudo-distributed Mode Fully distributed modeWriting a Map Reduce Program Examining a Sample Map Reduce Program Basic API Concepts The Driver Code The Mapper The Reducer Hadoop's Streaming APISetup Hadoop cluster Install and configure Apache Hadoop Make a fully distributed Hadoop cluster on a single laptop/desktop Install and configure Cloudera Hadoop distribution in fully distributed mode Install and configure Horton Works Hadoop distribution in fully distributed mode Monitoring the cluster Getting used to management console of Cloudera and Horton WorksHadoop Security Why Hadoop Security Is Important Hadoop's Security System Concepts What Kerberos Is and How it Works Configuring Kerberos Security Integrating a Secure Cluster with Other SystemsManaging and Scheduling Jobs Managing Running Jobs Hands-On Exercise The FIFO Scheduler The FairScheduler Configuring the FairScheduler Hands-On ExerciseCluster Maintenance Checking HDFS Status Hands-On Exercise Copying Data Between Clusters Adding and Removing Cluster Nodes Rebalancing the Cluster Hands-On Exercise Name Node Metadata BackupCluster Monitoring and Troubleshooting General System Monitoring Managing Hadoop's Log Files Using the NameNode and JobTracker Web UIs

Hands-On Exercise Cluster Monitoring with Ganglia Common Troubleshooting Issues Benchmarking Your Cluster Hadoop Ecosystem covered as part of Hadoop AdministratorEco system component: Ganglia Install and configure Ganglia on a cluster Configure and use Ganglia Use Ganglia for graphs.Eco system component: Nagios Nagios concepts Install and configure Nagios on cluster Use Nagios for sample alerts and monitoringEco system component: Hive Hive concepts Install and configure hive on cluster Create database, access it console Develop and run sample applications in Java/Python to access hiveEco system component: Sqoop Install and configure sqoop on cluster Import data from Oracle/Mysql to hiveOverview of other Eco system component: Oozie, Avro, Thrift, Rest, Mahout, Cassandra, YARN, MR2 etc

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