Lecture 2 part 2
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This document provides an overview of Hadoop components including HDFS, MapReduce, Pig, Hive, HBase, and HCatalog. It discusses the responsibilities of the NameNode and JobTracker and key concepts like fault tolerance, data locality, and commodity hardware. It also outlines steps for downloading, installing, and running Hadoop using Oracle VM VirtualBox and Hortonworks.
Lecture 2 part 2
- 2. What is Hadoop?, What Hadoop is not?, and Hadoop Assumptions. What is Rack, Cluster, Nodes and Commodity Hardware? HDFS - Hadoop Distributed File System Using HDFS commands MapReduce Higher-level languages over Hadoop: Pig and Hive HBase – Overview HCatalog
- 3. What is Hadoop and its components? What is the commodity server/Hardware? Why HDFS ? What is the responsibility of NameNode in HDFS? What is Fault Tolerance? What is the default replication factor in HDFS? What is the heartbeat in HDFS? What are JobTracker and TaskTracker? Why MapReduce programming model? Where do we have Data Locality in MapReduce? Why we need to use Pig and Hive? What is the difference between Hbase and HCatalog
- 8. Download Oracle VM VirtualBox Install Oracle VM VirtualBox Run Oracle VM VirtualBox 1 23
- 9. • Download Hortonworks • Install Hortonworks • Import Hortonworks inside Oracle VM VirtualBox • Run Hortonworks 1 2 3 4 5 6 • Download Hortonworks • Install Hortonworks • Import Hortonworks inside Oracle VM VirtualBox • Run Hortonworks
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