BigData, Java, Scala, Hadoop, Hive, Spark and Machine Learning Tutorial and How To Do
Big Data / Java / Kafka / Technology
Twitter open-sourced its Hosebird client (hbc), a robust Java HTTP library for consuming Twitter’s Streaming API. In this post, I am going to present a demo of how we can use hbc to create a Kafka twitter stream...
Big Data / Hive / Java / Technology
In Apache Hive HQL, you can decide to order or sort your data differently based on ordering and distribution requirement. In this post we will look at how SORT BY, ORDER BY, DISTRIBUTE BY and...
Big Data / Java / Technology
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...
Big Data / Hive / Java / Technology
Using HCatalog with Pig :- This post is a step by step guide on running HCatalog and using HCatalog with Apache Pig :- Assumptions : Pig and Hive are installed and tested with basic modes....
What is Hive Strict Mode ? Hive Strict Mode ( hive.mapred.mode=strict) enables hive to restrict certain performance intensive operations. Such as – It restricts queries of partitioned tables without a WHERE clause. hive> set hive.mapred.mode=strict;...
Big Data / Hive / Java / Technology
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...