What do you mean by Map-Reduce programming? MapReduce is a programming model designed for processing large volumes of data in parallel by dividing the work into a set of independent tasks. The MapReduce programming model is inspired by functional languages…
Como configuro o Hadoop no no no e multi única?
Imos describir a configuración do Hadoop nun único nodo e nodo de multi. The Hadoop environment setup and configuration will be described in details. Primeiro cómpre baixar o software a seguir (rpm). Java JDK RPM Apache Hadoop 0.20.204.0 RPM A) Single…
¿Que é Apache Sqoop e como usalo para descargar / exportar datos do Hadoop Distributed File System?
Apache Sqoop é unha ferramenta utilizada para a transferencia de datos de / para o Hadoop sistema de arquivo distribuído. Hadoop arquitectura pode procesar datos grandes e almacena-lo en HDFS. But if we want to use that data then we need to use some tool…
What is Hadoop Streaming?
Anos : Hadoop streaming is a powerful utility which comes with Hadoop distribution.The basic concept of Hadoop framework is to split the job,process it in parallel and then join it back to get the end result.So there are two main…
What is Map/Reduce in Hadoop?
Anos : Processing vast amount of data (multi-terabyte data-sets) is a major concern in real life projects.As the size of data is increasing day by day, applications are finding it difficult to process it in a reliable,secured and fault-tolerant way.…