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…
Kako postaviti Hadoop na jednom čvoru i multi čvor?
Mi ćemo opisati Hadoop postava na jednom čvoru i više čvor. The Hadoop environment setup and configuration will be described in details. Prvo morate preuzeti sljedeće softvera (min). Java JDK RPM Apache Hadoop 0.20.204.0 RPM A) Single…
Što je Apache Sqoop i kako ga koristiti za uvoz / izvoz podataka iz Hadoop Distributed File System?
Apache Sqoop je alat koji se koristi za prijenos podataka od / do Hadoop distribuirani datotečni sustav. Hadoop arhitektura može obraditi BIG podatke i pohraniti ga u HDF-ovi. Ali, ako želimo koristiti te podatke onda moramo koristiti neke funkcije…
What is Hadoop Streaming?
Godina : 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?
Godina : 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.…