What is Coprocessor in HBase ?Coprocessor is a mechanism which helps to move computations closer to the data in HBase. It is like a Mapreduce framework to distribute tasks across the cluster. You can think of them like either Aspects in Java where it intercepts code before and after some critical operations and … Continue Reading ››
WordCountusing Java, Maven and Eclipse and run a basic MR program in local mode , which is easy for debugging at an early stage. Assuming JDK 1.6+ is … Continue Reading ››
What is Apache Pig?
Apache Pig is a high level scripting language that is used with Apache Hadoop. It enables data analysts to write complex data transformations without knowing Java. It’s simple SQL-like scripting language is called Pig Latin, and appeals to developers already familiar with scripting languages and SQL.Pig Scripts are converted into MapReduce Jobs which runs on data … Continue Reading ››
Oh Yes! It's Free !!!
With the rising popularity , increase in demand and lack of experts in Big Data and Hadoop technologies, various paid training courses and certifications are available from various Enterprise Hadoop providers like Cloudera, Hortonworks , IBM, MapR etc .But if you don't want to shell out some money … Continue Reading ››