Continuous Integration
Continuous Integration is a development practice that calls upon development teams to ensure that a build and subsequent testing is conducted for every code change made to a software program.…
Hive – Partitioning
Hive organizes tables into partitions. It is a way of dividing a table into related parts based on the values of partitioned columns such as date, city, and department. Using…
Hive – Drop Table
In this section we describes how to drop a table in Hive. When you drop a table from Hive Metastore, it removes the table/column data and their metadata. It can…
Hive – Alter Table
In this section we will explains how to alter the attributes of a table such as changing its table name, changing column names, adding columns, and deleting or replacing columns.…
Hadoop – Multi-Node Cluster
This chapter explains the setup of the Hadoop Multi-Node cluster on a distributed environment. As the whole cluster cannot be demonstrated, we are explaining the Hadoop cluster environment using three…
Hadoop – Streaming
Hadoop streaming is a utility that comes with the Hadoop distribution. This utility allows you to create and run Map/Reduce jobs with any executable or script as the mapper and/or…
Hadoop – MapReduce
MapReduce is a framework using which we can write applications to process huge amounts of data, in parallel, on large clusters of commodity hardware in a reliable manner. What is…
Apache Flume – Environment
We already discussed the architecture of Flume in the previous chapter. In this chapter, we will discuss about apache flume environment let us see how to download and setup Apache…
Hive – Create Table
In this section we will explains how to create a table and how to insert data into it. The conventions of creating a table in HIVE is quite similar to…
Hadoop – Command Reference
There are many more commands in "$HADOOP_HOME/bin/hadoop fs" than are demonstrated here, although these basic operations will get you started. Running ./bin/hadoop dfs with no additional arguments will list all the commands…
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