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…
Sut i sefydlu Hadoop ar nod nod ac aml un?
Byddwn yn disgrifio Hadoop setup ar nod sengl ac aml-nod. The Hadoop environment setup and configuration will be described in details. Yn gyntaf bydd angen i lawrlwytho'r meddalwedd canlynol (rpm). Java JDK RPM Apache Hadoop 0.20.204.0 RPM A) Single…
Beth yw Apache Sqoop a sut i'w defnyddio i fewnforio / allforio data o File Hadoop System Dosbarthu?
Apache Sqoop yn offeryn a ddefnyddir i drosglwyddo data o / i Hadoop system ffeiliau dosbarthu. Gall Hadoop pensaernïaeth brosesu data Gronfa Loteri Fawr ac yn ei storio mewn HDFS. But if we want to use that data then we need to use some tool…
What is Hadoop Streaming?
Blynyddoedd : 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?
Blynyddoedd : 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.…