BigData and Data analytics Jobs are the most sought after jobs of current time. It is important to understand the basics before you appear for interview. In this post, I am covering few of the basic MapReduce interview questions for Hadoop MapReduce.
This post is intended for folks who are looking out for a quick start on developing a basic Hadoop MapReduce application.
We will see how to set up a basic MR application for
WordCount using Java, Maven and Eclipse and run a basic MR program in local mode , which is easy for debugging at an early stage.
HiveServer2 (HS2) is a server interface that enables remote clientsto execute queries against Hive and retrieve the results. The current implementation, based on Thrift RPC, is an improved version of HiveServer and supports multi-client concurrency and authentication. It is designed to provide better support for open API clients like JDBC and ODBC. (more…)