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…
Kaip sukurti Hadoop vienintelio mazgo ir kelių mazgas?
Mes aprašyti Hadoop setup vieno mazgo ir kelių mazgas. The Hadoop environment setup and configuration will be described in details. Pirmiausia jūs turite atsisiųsti šią programinę įrangą (min). Java JDK RPM Apache Hadoop 0.20.204.0 RPM A) Single…
Kas yra Apache Sqoop ir kaip jį naudoti, importuoti / eksportuoti duomenis iš Hadoop Distributed File System?
Apache Sqoop yra įrankis, naudojamas perduoti duomenis iš / į Hadoop Distributed File System. Hadoop architektūra gali tvarkyti BIG duomenis ir laikyti jį HDF. But if we want to use that data then we need to use some tool…
What is Hadoop Streaming?
Metų : 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?
Metų : 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.…