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…
Hvernig á að setja upp Hadoop á einum hnút og multi hnút?
Við munum lýsa Hadoop skipulag á einn hnút og multi hnút. The Hadoop environment setup and configuration will be described in details. Fyrst verður þú að sækja eftirfarandi hugbúnað (rpm). Java JDK RPM Apache Hadoop 0.20.204.0 RPM A) Single…
Hvað er Apache Sqoop og hvernig á að nota það til að flytja inn / flytja gögn frá Hadoop dreift skrá kerfi?
Apache Sqoop er tæki til að flytja gögn frá / til Hadoop dreift skrá kerfi. Hadoop arkitektúr getum afgreitt BIG gögnum og geyma það í HDFS. But if we want to use that data then we need to use some tool…
Hvað er Hadoop Á?
Ár : 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?
Ár : 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.…