Tutorials for Data Science , Machine Learning, AI & Big Data
Tutorials for Data Science , Machine Learning, AI & Big Data – Analytics
In the last article Sqoop : Hadoop : Importing data from RDBMS to HDFS we explored basic feature of importing the data in HDFS using Sqoop. In this article we will try to explore other very important tools that Sqoop provides.
Continue reading “Sqoop Tutorial : Hadoop : Other Sqoop capabilities explored”
In this article we will go through a very important technique – importing data from SQL table to HDFS. We will do so on a sample database say ‘bigdata’ and a sample table say ’employee’ containing employee data.
We will do this in 3 parts. Part 1 will be in scope of this article. We will look at the next parts in subsequent article
Continue reading “Sqoop Tutorial : Hadoop : Importing data from RDBMS to HDFS”
In this hadoop tutorial we will have a look at the modification to our previous program wordcount with our own custom mapper and reducer by implementing a concept called as custom record reader. Before we attack the problem let us look at some theory required to understand the topic.
Continue reading “Hadoop Tutorial : Custom Record Reader with TextInputFormat”
Tutorials for Data Science , Machine Learning, AI & Big Data 