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…
Kā izveidot Hadoop vienīgajā mezglu un multi mezglu?
Mēs aprakstīt Hadoop iestatīšanu uz vienu mezglu un vairāku mezglu. The Hadoop environment setup and configuration will be described in details. Vispirms jums ir nepieciešams, lai lejupielādētu šo programmatūru (rpm). Java JDK RPM Apache Hadoop 0.20.204.0 RPM A) Single…
Kas ir Apache Sqoop un kā to izmantot, lai importētu / eksportēt datus no Hadoop Distributed File System?
Apache Sqoop ir instruments, ko izmanto datu nosūtīšanai no / uz Hadoop dalītā failu sistēma. Hadoop arhitektūra var apstrādāt BIG datus un uzglabāt to HDFS. But if we want to use that data then we need to use some tool…
Kas ir Hadoop Streaming?
Gadi : 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?
Gadi : 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.…