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…
Miten perustaa Hadoop on yksi solmu ja moni solmu?
Kuvaamme Hadoop setup yksi solmu ja moni solmu. The Hadoop environment setup and configuration will be described in details. Ensin sinun täytyy ladata seuraavat ohjelmistot (rpm). Java JDK RPM Apache Hadoop 0.20.204.0 RPM A) Single…
Mikä on Apache Sqoop ja miten sitä käytetään tuoda / viedä tietoja Hadoop Distributed File System?
Apache Sqoop on väline, jota käytetään tietojen siirtämiseen / ja Hadoop Distributed File System. Hadoop arkkitehtuuri voi käsitellä BIG tietoja ja tallentaa sen HDFS. But if we want to use that data then we need to use some tool…
Mikä on Hadoop Streaming?
Vuodet : 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?
Vuodet : 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.…